n Choice of equipment SP 58 Index of protection: IP 2X - IP 2XC - under front plate

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1 SP fuse carriers with protected terminals SP fuse carriers with protected terminals n Choice of equipment Maximum cartridge rating Type Rated current 400 V± 0 V± 690 V± gg am gg am gg am SP 51 A SP 58 0 A (125 A in 400 V) These values are standardized according to IEC 269-2/2-1 They can be reduced or increased under certain specific applications Index of protection: IP 2X - IP 2XC - under front plate Conform to IEC Veritas approved Height under front plate 44 mm Mixed socket screw head for easier cable clamping Screw or rail and 1 mounting Pack Cat.Nos SP 51 for HRC fuses 14 x 51 Without microswitch Connection No of P 1 x 5 mm P or P 2 x 16 mm P + equipped neutral 6 With 5 A - 2 V± changeover micro-switch Cartridge presence, prebreak and device against single-phase operation 1 x 5 mm P or x 16 mm 2 modules SP 58 for HRC fuses 22 x 58 Without microswitch Connection No of modules P 1 x mm P or P + equipped neutral 2 x 25 mm 2 8 With 5 A - 2 V± changeover micro-switch Cartridge presence, prebreak and device against single-phase operation 1 x mm P or 6 2 x 25 mm 2 Link handle For SP 51 or SP 58 Length 00 mm, can be cut to required length Equipment derating Recommended for equipment exposed to high temperatures: Ambient temperature over 5 C: derate fuse by one rating per C (UTE C / IEC 94) Side-by-side equipment and simultaneous function 2 - devices 0.9 x ln 4-5 devices 0.8 x ln devices 0.7 x ln devices 0.6 x ln This coefficient is to be applied on the nominal rating of the base (IEC 49-1) Uninterrupted usage: it may be necessary to upgrade the bases by one size n Dimensions (mm) J W H G 44 E N A C B V L Ø4.4 B1 B2 A B B 1 B 2 C E G H J 1P 2P/P 1P SP SP J L N U V W 2P P 4P 1P 2P P 4P 1P 2P/P SP SP A C B L U V Ø4.4 B2 B1 Spacing unit (p. 179) 118

2 SPX and SPX-V selection chart SPX blade type isolators (p. 120) Mounting on plate Type Cat.Nos Nominal current In Size (blade type cartridge fuses) SPX P A 000 (OOC) SPX 00 1-P A 00 SPX 1 2-P A 1 SPX P A 2 SPX -P A Mounting on mm collector rail SPX P A 000 (OOC) SPX 00 1-P A 00 SPX 1 2-P A 1 SPX P A 2 SPX -P A SPX-V isolators with vertical blades (p. 122) Mounting on collector rail support Type Cat.Nos Nominal current In Size (blade type cartridge fuses) SPX-V 00 1-P A - mm rail 00 SPX-V 00 1-P (1) 52 1 A - 0 mm rail 00 SPX-V 1 2-P A mm rail 1 SPX-V P A mm rail 2 SPX-V -P 52 1 A mm rail (1) Isolators SPX-V 00 1 can be mounted on 185 mm collector rail by adding the 52 (single) or (double) adaptators Red catalogue numbers : New products 119

3 SPX AND SPX-V Protection plus on-load breaking >>> Fuse carriers for blade type fuses, designed to protect against short-circuits and overloads, connect and disconnect electric circuit parts without load or at full load. SPX isolators with blade type cartridge fuses, for DIN rail plate or mm distance collector rail Accessories (p. 121) Technical characteristics (p. 12) Dimensions (p ) Pack Cat.Nos SPX blade type isolators SPX-V fuse carrier Fuse carriers in two versions: - SPX in-line fuse carriers - SPX-V vertical fuse carriers SPX fuse carrier Allow maintain switching selectivity Two connection systems: terminals or collector rail Conform to standard IEC/EN 947- enables safe handling while energised protection against accidental contact fuse can be checked through transparent window voltage control via small opening in window sealable cover simultaneous switching on all poles, 10 mechanical operations cover position indicated by auxiliary contact (accessory) screw connection for lug interchangeable connection accessories 4 types of connection possible: flush-mounted terminals (SPX 000) with lugs (SPX 00-) flat connections (included with the SPX 000, as an accessory for SPX 00-) prism connections (as accessory for SPX 00-) Mounting: on plate on DIN rail on mm collector rail: on 5 or mm thick rails for models SPX 000, SPX 00 on mm rails for models SPX 1, SPX 2, SPX with installation kit for models SPX 1 and SPX 2, mounting on 5 mm thick rails possible Interchangeable outgoing line, via top or bottom The blade type fuses are available separately Mounting Mounting Nominal Size Connection on plate on collector current rail In A 000 Connection cr-sect mm A 00 With M8 sleeve A 1 With M sleeve A 2 With M sleeve A With M12 sleeve Blade type cartridge fuses (p. 14) XL mounting accessories (p. 20, 219 and 2) 120 These products are part of protection and distribution systems > See p Red catalogue numbers : New products

4 SPX and SPX-V accessories Dimensions (p. 126) Pack Cat.Nos Cage terminals for SPX and SPX-V Flat terminals for flexible copper rail Conductor: flexible or rigid multicore copper cables Cross-section Conductor Flexible rail SPX size (mm 2 ) (mm) x x x x 7-20 Prism terminals for flexible copper rail Conductor: flexible or rigid multicore copper and aluminium cables Cross-section Conductor Flexible rail SPX size (mm 2 ) (mm) x x x x 20 Extension connector with inputs Fix with M8 screws SPX size inputs 00 for mm 2 wires Terminals shields Fix at top or bottom of isolator Output SPX size With installation plate With collector rail For all types For all types For all types Connection terminals to feed the bars, for SPX and SPX-V Collector rail system:, 0 and 185 mm Prism terminals for longitudinal feed For flexible copper rail Conductor: flexible or rigid multicore copper and aluminium cables Cross-section Conductor Bar (mm 2 ) (mm) x x x 5 Flat terminals for flat bars For copper and aluminium rigid or fl exible fl at bars Size Bar thickness In (mm) (mm) (A) x x x x x x x 0 12 Pack Cat.Nos Connection terminals to feed the bars, for SPX and SPX-V (continued) Universal connection terminals for flexible copper rail Conductor: flexible or rigid multicore copper and aluminium cables Conductor Bar thickness In (mm) (mm) (A) Signalling contact for SPX and SPX-V To indicate the status of the cover Changeover contact SPX size 5 A 2 V AC; 4 A 0 V DC 000, 00, 1, 2, Lockable faceplate for SPX In closed position, the cover can be locked For 4-7 mm padlocks SPX size , 2, Kit for fixing on TH 5 for SPX SPX size For 1 isolator 000 Collector rail supports for mm phase offset Isolating support for 12, 15, 20, 25, 0 x 5 mm flat rigid copper rails For installing SPX isolators on mm collector rail Can be installed in XL 400/800/4000 distribution using vertical adaptors for uprights Tightening torque: Md = 4 Nm The internal strengthening uprights provide the necessary support Maximum temperature: Tmax = 120 C SPX size P 000, 00, 1, 2, Red catalogue numbers : New products 121

5 SPX-V vertical isolators with blade type cartridge fuse for, 0 or 185 mm collector rails SPX-V accessories Accessories (p. 121) Technical characteristics (p. 124) Dimensions (p. 127) Pack Cat.Nos SPX-V isolators with vertical blades Conform to standard IEC/EN 947- enables safe handling while energised Protection against accidental contact fuse can be checked through transparent window voltage control via small opening in window sealable cover simultaneous switching on all poles, 10 mechanical operations cover position indicated by auxiliary contact (accessory) screw connection for lug Interchangeable connection accessories types of connection possible: plate/lug (SPX-V 00-) flat connection terminals (accessory) prism connection terminals (accessory) Vertical installation Fix on mm collector rail: directly on 5 or mm thick rail for SPX-V-00 Fix on 0 mm collector rail: directly on 5 or mm thick rail for SPX-V-00 Fix on 185 mm collector rail: / 5 or mm: with adaptor (52 or 52 51) for SPX-V-00 directly for SPX-V-1- interchangeable top or bottom connection The blade type fuse carriers are available separately Collector Nominal Size Connection rail current In mm 1 A 00 With M8 lug 1 52 (1) 0 mm 1 A 00 With M8 lug mm 2 A 1 With M lug mm 400 A 2 With M lug mm A With M12 lug Blade type cartridge fuses (p. 14) XL mounting accessories (p. 2) Pack Cat.Nos Collector rail adaptor For installation of SPX-V 00 0 mm version Cat.No 52 on 185 mm collector rail system Nominal current In Output SPX V size A Single x 1 A Double 00 Cage terminals for SPX and SPX V Flat terminals for flexible copper rail Conductor: flexible or rigid multicore copper cables Cross-section Conductor Flexible rail SPX V size (mm 2 ) (mm) x x , 2, Prism connection for flexible copper rail Conductor: flexible or rigid multicore copper and aluminium cables Cross-section Conductor Flexible rail SPX V size (mm 2 ) (mm) x x 15 1, 2, Signalling contact for SPX and SPX-V To indicate the status of the cover Changeover contact SPX size 5 A 2 V AC 000, 00, 1, 2, 4 A 0 V DC Collector rail support for a phase distance of 185 mm Collector rail support for a phase distance of 185 mm Isolating support for 0- x 5- mm rigid flat copper rails For SPX-V isolators Can be installed XL 4000 enclosures by using veryical adaptors for uprights (Cat.No ) Tightening torque of the fixing screws: Md = 20 Nm Held in place by the internal uprights Maximum temperature: Tmax = 120 C SPX size P 00, 1, 2, 122 (1) Fix on 185 mm collector rail by adding a 52 or adaptor Red catalogue numbers : New products

6 SPX isolator with blade type cartridge fuses n Electrical characteristics Type SPX 000 SPX 00 SPX 1 SPX 2 SPX Size Nominal current ln 125 A 1 A 2 A 400 A A Type of current AC (- Hz) DC AC (- Hz) DC AC (- Hz) DC AC (- Hz) DC AC (- Hz) DC Nominal voltage Un 690 V AC 2 V DC 690 V AC 2 V DC 690 V AC 440 V DC 690 V AC 440 V DC 690 V AC 440 V DC Rated insulating voltage Ue 800 V 800 V 800 V 800 V 800 V Rated impulse withstand voltage Uimp 6 kv 6 kv 6 kv 6 kv 6 kv 400 VA AC 2 B AC 2 B AC 2 B AC 2 B AC 2 B 0 VA AC 22 B AC 22 B, AC 2 B (125 A) AC 2 B AC 2 B AC 2 B Category of use EN VA AC 21 B AC 22 B AC 2 B AC 2 B AC 2 B 220 V= DC 21 B; DC 22 B (0 A) DC 22 B (1 A) DC 22B DC 22B DC 22B 440 V= DC 21 B (80 A); DC 22 B (6 A) DC 21 B (1 A); DC 22 B (125 A) DC 22B DC 22B DC 22B Conditional rated short-circuit current (with gg/gl fuses) ka (peak 5 ka) ka (peak 5 ka) ka (peak 5 ka) ka (peak 5 ka) ka (peak 5 ka) Power dissipated per pole, with blade type fuse carrier (1) 9 W 12 W 2 W 4 W 48 W n Connection characteristics Type SPX 000 SPX 00 SPX 1 SPX 2 SPX Lug mounting Flat fixing for flexible copper rail, for flexible or rigid copper and multi-core cables Prism fixing for flexible copper rail, for flexible or rigid multicore copper and aluminium cables Other fixings Connection - M 8 M M M 12 Tensile strength Nm 0 5 Nm 0 5 Nm 5 40 Nm Connection mm mm mm mm 2 Tensile strength - Nm 5 6 Nm 6 8 Nm 6 8 Nm Connection mm mm mm mm 2 Tensile strength - Nm 5 6 Nm 6 8 Nm 6 8 Nm Connection inputs connector Cage terminals 1.5 mm 2 Cat.No x mm Tensile strength 4 Nm Nm (1) Fuse carrier nominal current according to standard DIN

7 SPX-V vertical isolators with blade type cartridge fuses for or 185 mm collector rails n Electrical characteristics Type SPX-V 00 mm SPX-V 00 0 mm SPX-V 1 SPX-V 2 SPX-V Size Nominal current ln 1 A 1 A 2 A 400 A A Type of current AC (- Hz) AC (- Hz) AC (- Hz) AC (- Hz) AC (- Hz) Nominal voltage Un 690 V AC 690 V AC 690 V AC 690 V AC 690 V AC Rated insulating voltage Ue 800 V 800 V 00 V 00 V 00 V Rated impulse withstand voltage Uimp 6 kv 6 kv 12 kv 12 kv 12 kv 400 V AC 2 B AC 2 B Category of use EN V AC 2 B (120 A) AC 2 B (125 A) AC 2 B AC 2 B AC 2 B 690 V AC 22 B AC 22 B AC 22 B AC 22 B AC 22 B Conditional rated short-circuit current (with gg/gl fuses) ka (peak 5 ka) ka (peak 5 ka) 0 ka (peak 220 ka) 0 ka (peak 220 ka) 0 ka (peak 220 ka) Power dissipated per pole, with blade type fuse carrier (1) 12 W 12 W 2 W 4 W 48 W n Connection characteristics Type SPX-V 00 mm SPX-V 00 0 mm SPX-V 1 SPX-V 2 SPX-V Lug mounting Flat fixing for flexible copper rail, for flexible or rigid copper and multi-core cables Prism fixing for flexible copper rail, for flexible or rigid multicore copper and aluminium cables Connection M 8 M 8 M M M 12 Tensile strength Nm Nm 0 5 Nm 0 5 Nm 5 40 Nm Connection 1,5 70 mm 2 1,5 70 mm mm mm mm 2 Tensile strength Nm Nm 6 8 Nm 6 8 Nm 6 8 Nm Connection mm mm mm mm mm 2 Tensile strength Nm Nm 6 8 Nm 6 8 Nm 6 8 Nm (1) Nominal current intensity according to standard DIN

8 SPX isolators with blade type cartridge fuses n Dimensions (mm) For installing SPX on plate SPX 000 Cat.No SPX 00 Cat.No Ø M SPX 1 Cat.No 52 04, SPX 2 Cat.No 52 06, SPX Cat.No c Cat.Nos a b c d e f g h l m p q r x M M M12 81 Installing SPX on mm collector rail SPX 000 Cat.No SPX 00 Cat.No h b l SPX SPX 2 e m p Ø 11 g 10 SPX Ø 11 x a x n a d f

9 SPX 1 Cat.No 52 05, SPX 2 Cat.No 52 07, SPX Cat.No Cat.Nos a b c d e f g h l m p q r x M M M12 81 n Accessories Cover for fixing accessories Signalling contact Cat.No 52 0 Collector rail support for a mm phase distance Cat.No b L1 x a x d L c l SPX isolators with blade type cartridge fuses (continued) c g 6 e m b h p r x a x q d f L Cat.Nos a b c d x

10 SPX-V vertical isolators with blade type cartridge fuses for or 185 mm collector rails n Dimensions (mm) Installing the SPX-V 00 Cat.No on mm collector rail 15 maxi Installing SPX-V 1 Cat.No 52 11, SPX-V 2 Cat.No and SPX-V Cat.No on 185 mm collector rail max. 457 Installing the SPX-V 00 Cat.No 52 on 185 mm collector rail using a collector rail adaptor Cat.No n Accessories Rail support for mm phase distance Cat.No Installing the SPX-V 00 Cat.No 52 on 0 mm collector rail Rail support for 185 mm phase distance Cat.No Ø Ø 1 M8 0 0 L1 L L 120 maxi Ø M

11 SPX-D fuse isolating switches 1 to A Technical characteristics and dimensions (p. 129 to 11) Pack Cat.Nos Fuse isolating switches For on-load circuit breaking To be equipped with blade type cartridge fuses for protection against overloads and short-circuits Double-break contacts with positive forced opening and closing Conform to IEC 947- Category of use AC 2 A Interlocking: - Fuse cover in ON position - Door/panel in ON position Padlocking: - Handles in OFF position (up to padlocks) Handles, auxiliary contacts and terminal shields not supplied 1 A To be equipped with blade type cartridge fuses size 00 (p. 14) Cage terminals P 1 51 P+N (neutral not protected) 2 A To be equipped with blade type cartridge fuses size 1 (p. 14) Connection with lugs P P+N (neutral not protected) 400 A To be equipped with blade type cartridge fuses size 2 (p. 14) Connection with lugs P P+N (neutral not protected) A To be equipped with blade type cartridge fuses size (p. 14) Connection with lugs P P+N (neutral not protected) Pack Cat.Nos Accessories for SPX-D isolating switches Direct handles 1/ For 1 A isolating switches 1/ For 2 A and 400 A isolating switches 1/ For A isolating switches External handles 1/ 51 2 For 1 A isolating switches Panel depth mm 1/ For 2 A and 400 A isolating switches Panel depth mm 1/ For A isolating switches Panel depth mm Extended shafts for external handles 1/ For external handle Cat.No 51 2 Panel depth mm 1/ For external handle Cat.No Panel depth mm 1/ 51 0 For external handle Cat.No Panel depth mm Auxiliary contacts 1/ NO + 2 NC For isolating switches 1 A Cat.Nos 51 00/ 1/ NO + 2 NC For isolating switches 2 A, 400 A and A Cat.Nos 51 01/02/0/11/12/1 Terminal shields 1/ 51 2 For isolating switches 2 A and 400 A Cat.Nos 51 01/02/11/12, kit of 4 shields 1/ 51 For isolating switches A Cat.Nos 51 0/1, kit of 4 shields XL mounting accessories (p. 219 and 2) 128 Bold pack quantities: Minimum quantities to be ordered Red catalogue numbers : New products These products are part of protection and distribution systems > See p

12 SPX-D fuse isolating switches 1 to A n Technical characteristics according to IEC 947- SPX-D fuses isolating switches 1 A 2 A 400 A A Fuses NH Size 00 Size 1 Size 2 Size Mounting on DIN Rail/Plate Plate Plate Plate Rated insulation voltage Ui (V) Rated dielectric strenght Hz 1 min (V) Rated impulse withstand voltage Uimp (kv) Rated thermal current Ith (40 C) (A) Rated thermal current in enclosure Ithe (A) Power dissipation with cartridge fuses (1) (W) "AC rated operational current Ie (A) (Rated frequency / Hz)" AC rated operational power Pe (kw) 400 V AC21A V AC22A V AC2A V AC21A V AC22A V AC2A V AC21A V AC22A V AC2A V AC20A V AC20A x 400 V AC2A x 0 V AC2A x 690 V AC2A Rated capacitor power (kvar) 400 V Rated breaking capacity (A) 400 V; cos =0.5" Rated making capacity (A) 400 V; cos ϕ= n Conditional short-circuit current SPX-D fuses isolating switches 1 A 2 A 400 A A Short-circuit withstand current (rms value) (2) (ka rms) Short-circuit making current (rms value) (2) (ka rms) Maximum cut-off current (peak value) (ka) Maximum power dissipation l2t (A2s x ) Minimum number of mechanical operations cycles Minimum number of electrical operations 400 V-AC2 cycles Maximum weight (/4 poles) (kg).1/4 6.6/8 6.6/8 1/15 n Connecting capacity SPX-D fuses isolating switches 1 A 2 A 400 A A Rigid cable (Cu) max. (mm ) x 185 Bar (Thickness/Width) max. (mm) /25 6/40 6/40 2 x 7/ Tightening torque (Nm) (1) Power dissipation values of cartridge fuses used in type test (2) With a protective device limiting the cut-off current and the joule integral to the indicated values 129

13 SPX-D fuse isolating switches 1 to A (continued) n Dimensions 1 A fuse isolating switches Cat.Nos 51 00/ Without handle Front view Side view Connection 5, M , A 11 1 A Dimension (mm) A M (Nm) S max Cu (mm 2 ) P P+N With direct handle Front view 49 Side view With external handle Front view 49 26,5 22,5 Side view Panel drilling 4,5 56 Ø

14 n Dimensions 2 A and 400 A fuse isolating switches Cat.Nos 51 01/02/11/12 With direct handle Front view Side view Uper view B A Ø 0 E 15 ± C D Ø 7 max 75 / min Dimension (mm) A B C D E Ø Ø T 2 A 400 A P M P+N M P M P+N M n Dimensions A fuse isolating switches Cat.Nos 51 0/1 With direct handle Front view Side view Uper view B A Ø 12, ± Ø 9 max 56 / min Dimension (mm) A B Ø T A P M12 P+N M12 11

15 HRC cartridge fuses Technical data and dimensions (p. 15 to 17) Pack Cat.Nos Cylindrical type gg Conform to EN 269-1, IEC 269-1, and 2 Veritas approved 8 x 2 (previously 8.5 x 1.5) Without With Rating Voltage ± Rupture capacity indicator indicator (Amps) (Volts) (Amps) / / Without indicator With indicator x 8 HRC Without striker With striker 14 x 51 HRC (1) 145 (1) Without striker With striker 22 x 58 HRC (1) (1) Pack Cat.Nos Cylindrical type am (motor rated) Conform to EN 269-1, IEC and 2 Veritas approved 8 x 2 (previously 8.5 x 1.5) Without Rating Voltage ± Rupture capacity indicator (Amps) (Volts) (Amps) Without indicator x 8 HRC (2) (2) Without striker With striker 14 x 51 HRC (1) 141 (1) 400 Without striker With striker 22 x 58 HRC Neutral links x 2 (previously 8.5 x 1.5) 1 00 x x x 58 Isolating fuse carriers 8.5 x 2 and x 8 (p. 167) (1) Overrating described by standards (2) Overrating not described by standards 12 Bold pack quantities: Minimum quantities to be ordered

16 blade type cartridge fuses bases Terminal shield Technical data and dimensions (p. 15 to 17) Pack Cat.Nos Bases for blade type cartridge fuses Single pole Triple pole Fibreglass reinforced polyester base Contact points are sprung except for size 4 (bolts) Bases with A - 2 V± micro-switch have a "cartridge present" signalling device for fuses with standardised striker Conform to EN and IEC 269-1, 2 - VDE Veritas approved Triple pole bases are supplied with 2 dividers Size 00-0 A Bases Mounting Connection 1 01 bare 4 rail M bare 4 rail Size 00-1 A bare screw M bare screw M8 Size 0-1 A bare screw or M with micro-switch 4 rail Size 1-2 A bare screw bare or M (1) with micro-switch 4 rail Size A bare screw or bare 4 rail M Size - A with micro-switch screw M12 Size A with micro-switch screw M16 Pack Cat.Nos Accessories Handle For all sizes Separation dividers Size 00 (for Cat.No 1 01 and Cat.No ) Size Size Size Size Size 4 Terminal shields For complete protection of blade type cartridge fuse bases Size Size Size Size 2 (1) Base with 2 micro-switches, please consult us These products are part of protection and distribution systems > See p

17 HRC blade type cartridge fuses gg/am type Technical data and dimensions (p. 15 to 17) Pack Cat.Nos Type gg (IEC) / gl (VDE) Conform to EN IEC 269-1, 2 and VDE Veritas approved Fully insulated end plate and handle lugs Rating Voltage ± Rupture capacity (Amps) (Volts) (Amps) With With indicator striker Size Size Size Size Size Size Pack Cat.Nos Type am (motor rated) Conform to EN IEC 269-1, 2 and VDE Veritas approved Fully insulated end plate and handle lugs Rating Voltage ± Rupture capacity (Amps) (Volts) (Amps) With With indicator striker Size Size Size Size Size Size

18 cartridge fuses n HRC cylindrical (p. 12) B I n Bases for blade type (p. 1) Size 00 4 Single pole Cat.Nos C R A C D M8 Size (mm) A B C D 8 x x x x Ø7.5 Ø I Size 0 to 4 (continued) Single pole with micro-switch D F E G B A S P O N H M L n Blade type (p. 14) F C B A G L E H Size (mm) A B C D D E F G H I J K L M N D2 D1 M I J K N Triple pole Cat.Nos S Ø7.5 Ø15.5 H Q J 2 O 68 N K P G Sizes 0 to 4 Single pole without micro-switch C E F M B A Size Triple pole C K D J Q Size (mm) A B C D E F G H I J K L M N O P Q R S Note: Force of striker at the beginning of stroke 1.9 kg and 1 kg at the end according to NF C 6-21 M L D 25 A n Removable handle (p. 1) R Size (mm) A B C D E F G H I J K L M N O P Q R S B B Size (mm) A B C D

19 selection charts n How to select a protection system? Depending on the type of failure, overload or short-circuit, use 2 series of data 1 Overloads: use the operating zone curves of the different protection devices. On the same row, the operating zones should not overlap 2 Short-circuits: use the i 2 t tables. The total i 2 t of the protection system the furthest downstream must be less than the upstream protection pre-arc i 2 t n Example of good selection i 2 dt in A 2 sec. cartridge upstream cartridge downstream downstream upstream C.T. pre-arc C.T. arc 20 V cos = 0.1 C.T. arc 0 V cos = 0.1 n Selection between cartridge fuses (according to IEC ) Upstream Downstream rating maximum rating determined according to class gg cartridge fuse and voltage to obtain selection (A) am gg Upstream Downstream rating maximum rating determined according to class am cartridge fuse and voltage to obtain selection (A) am gg n Motor protection Motor three-phase Cartridges 20 V 400 V 0 V x 8 14 x x 58 S. 00 S. 0 S. 1 S. 2 S. S. 4 ratings ratings ratings ratings ratings ratings ratings ratings ratings kw Hp In A kw Hp In A kw Hp In A gg am gg am gg am gg am gg am gg am gg am gg am gg am (1) (1) (1) (1) (1) 400 V max.

20 blade cartridge fuses gg and am types The gg or am types protect the conductors of electrical circuits in the event of overbad or short-circuit gg cartridge fuses: The selectivity ratio is 1.6 instead of 2 The breaking capacity of A provides full protection in the most critical situations am cartridge fuses: These cartridge fuses must be combined with a low-overload thermal protection device The breaking capacity of 0000 A from size x 8 upwards provides full protection in the most critical situations Cylindrical industrial cartridge fuses can be used to protect DC circuits supplied at up to 48 V max. n Rupture capacity curves gg type Times in seconds am type Time in seconds Current in Amps n Thermal stresses ( I 2 dt) gg type (for 0 V±) Current in Amps am type for 0 V± - except 12 A for 400 V Thermal stress in A 2 s Rating in Amps Total maximum thermal stress for critical current Pre-arc thermal stress for critical current n gg (1) type limitation curve Limited currents at peak ka Ieff Prospective short-circuit at ka rms (1) For am cartridge fuses, see technical data sheets in the Legrand e-catalogue Thermal stress in A 2 s Rating in Amps n Consumption in watts when hot, at rated current Cartridge fuses Fuse gg am ratings (A) Size 00 Size 0 to 4 Size 00 Size 0 to

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