TeSys protection components

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1 Description, characteristics -pole thermal overload relays, model d Description Model d -pole thermal overload relays are designed to protect a.c. circuits and motors against overloads, phase failure, long starting times and prolonged stalling of the motor.. LRD-0, 0 RESET STOP & LRD- 9, LR-D 7 NO NC Adjustment dial Ir Test button Operation of the Test button allows: - checking of control circuit wiring, - simulation of relay tripping (actuates both the N/O and N/C contacts). Stop button. Actuates the N/C contact; does not affect the N/O contact. Reset button Trip indicator Setting locked by sealing the cover. 7 Selector for manual or automatic reset. Relays LRD-0 to are supplied with the selector in the manual position, protected by a cover. Deliberate action is required to move it to the automatic position. 7 TEST 0 A M R A E S E T Environment Conforming to standards EN 097-, EN 097--, NF C -0, VDE 00 Product certifications CSA, UL, Sichere Trennung, PTB except LAD-: UL, CSA. Degree of protection Conforming to VDE 00 Protection against direct finger contact IP X Protective treatment Conforming to IEC 8 TH Ambient air temperature Storage C around the device Normal operation, without derating (IEC 97--) C Minimum and maximum operating temperatures C (with derating) Operating positions In relation to normal, vertical mounting plane Any position without derating Shock resistance Permissible acceleration conforming to IEC 8--7 gn - ms Vibration resistance Permissible acceleration conforming to IEC 8-- gn Dielectric strength at 0 Hz Conforming to IEC - kv Impulse withstand voltage Conforming to IEC 80- kv Auxiliary contact characteristics Conventional thermal current A Maximum consumption a.c. supply V of operating coils VA of controlled contactors (Occasional operating d.c. supply V cycles of contact 9-9) W Short-circuit protection By gg or BS fuse. Max. rating or by GB circuit-breaker A Connection to screw clamp terminals Min/max c.s.a. Flexible cable without cable end or conductors mm /. Flexible cable with cable end or conductors mm /. Solid cable without cable end or conductors mm /. Tightening torque N.m.7 Connection to spring terminals Min/max c.s.a. Flexible cable without cable end or conductors mm /. Solid cable without cable end or conductors mm /. pages / and / pages / to /8 page /9 /08 Schneider Electric

2 Characteristics -pole thermal overload relays, model d Electrical characteristics of power circuit Relay type LRD- LR- LRD- LR- LRD- LR- LRD- 0 to Dpp to Dpp to Dpp to 9 9 LR- LR- LR- D0 to D D to D D to D9 Tripping class To UL 08, EN A 0 0 A 0 0 A 0 0 A Rated insulation voltage (Ui) Conforming to EN V Conforming to UL, CSA V except LRD-9 Rated impulse withstand voltage (Uimp) kv Frequency limits Of the operational current Hz Setting range Depending on model A Connection to screw clamp terminals Min/max c.s.a. Flexible cable without cable end conductor mm./0./0 / /0. Flexible cable with cable end conductor mm / / except / / LRD-: / Solid cable without cable end conductor mm /./0 except / /0 LRD-: / Tightening torque N.m Connection to spring terminals Min/max c.s.a. Flexible cable without cable end conductor mm././ Solid cable without cable end conductor mm././ Operating characteristics Temperature compensation C Tripping threshold Conforming to EN A. ± 0.0 In Sensitivity to phase failure Conforming to EN Tripping current 0 % of In on one phase, the others at In Tripping curves Average operating time related to multiples of the current setting Seconds Minutes Hours Time class 0 A 0,8 0, x current setting (Ir) Seconds Minutes Hours Time class ,8 0, x current setting (Ir) Balanced operation, -phase, from cold state. Balanced operation, -phase, from cold state. Balanced operation, -phase, after a long period at the set current (hot state). pages / and / pages / to /8 page /9 Schneider Electric /09

3 Description, characteristics -pole electronic thermal overload relays LR9-D Description LR9-D electronic thermal overload relays are designed for use with contactors LC-D and D0. In addition to the protection provided by model d thermal overload relays (see page /08) they offer the following special features: p Protection against phase imbalance. p Choice of starting class. p Protection of unbalanced circuits. p Protection of single-phase circuits. p Alarm function to avoid tripping by load shedding.. Setting dial Ir Test button Stop button Reset button Trip indication Setting locked by sealing the cover 7 Class 0/class 0 selector 8 Selector for balanced load / unbalanced load Environment LR9-D7 D9 Ir(A) NO NC 9 9 LR9-D7 and D9 Class Load Ir(A) V - / Alarm NO NC Conforming to standards EN 097--, -8, -7, VDE 00 Product certifications UL 08, CSA - Degree of protection Conforming to IEC 9 and VDE 00 IP 0 on front face with protective covers LA9-D70p or D0p Protective treatment Standard version "TH" Ambient air temperature Storage C around the device (conforming to IEC -8) Normal operation C () Maximum operating altitude Without derating m 000 Operating positions In relation to normal, vertical Any position without derating mounting plane Shock resistance Permissible acceleration gn - ms conforming to IEC 8--7 Vibration resistance Permissible acceleration gn - to 00 Hz conforming to IEC 8-- Dielectric strength at 0 Hz Conforming to IEC - kv Impulse withstand voltage Conforming to IEC kv Resistance to electrostatic discharge Conforming to IEC kv 8 Resistance to radio-frequency Conforming to IEC V/m 0 conducted disturbances and NF C -0 Resistance to fast transient currents Conforming to IEC kv Electromagnetic compatibility Draft EN 008- and, EN 008- Meets requirements Electrical characteristics of auxiliary contacts Conventional thermal current A Maximum consumption a.c. supply V of operating coils VA of controlled contactors (Occasional operating cycles d.c. supply V of contact 9-9) W Short-circuit protection By gg or BS fuse A or by GB circuit-breaker Cabling or conductors mm Minimum c.s.a.: /maximum c.s.a.:. Flexible cable without cable end Tightening torque N.m. () For operation at 70 C, please call our Customer information centre on pages / and / pages / to /8 page /9 /0 Schneider Electric

4 Characteristics -pole electronic thermal overload relays LR9-D Electrical characteristics of power circuit Relay type LR9-D Tripping class Conforming to UL 08, EN A or 0 Rated insulation voltage (Ui) Conforming to EN V 000 Conforming to UL, CSA V 00 Rated impulse withstand kv 8 voltage (Uimp) Frequency limits Of the operational current Hz 0 0. For other frequencies, call our Customer information centre on () Setting range Depending on model A 0 0 Power circuit connections Width of terminal lug mm 0 Clamping screw M8 Tightening torque N.m 8 Operating characteristics Temperature compensation C Tripping thresholds To EN Alarm A.0 ± 0.0 In Tripping A. ± 0.0 In Sensitivity to phase failure Conforming to EN Tripping in s ± 0 % in the event of phase failure Alarm circuit characteristics Rated supply voltage d.c. supply V Supply voltage limits V 7 Current consumption No load ma Switching capacity ma 0 0 Protection Short-circuit and overload Self-protected Voltage drop Closed state V. Cabling Flexible cable without cable end mm 0.. Tightening torque N.m 0. Tripping curve LR9-D Tripping time in seconds Average operating time related to multiples of the current setting Cold state curve Hot state curve 0, x the current setting (Ir) () For use of these relays with soft start units or variable speed controllers, please call our Customer information centre on pages / and / pages / to /8 page /9 Schneider Electric /

5 References -pole thermal overload relays, model d. LRD-08 LRD- LRD-pp LRD-08 Differential thermal overload relays for use with fuses. Class 0 A tripping p Compensated relays with manual or automatic reset, p with relay trip indicator, p for a.c. or d.c. Relay Fuses to be used with selected relay For use Reference Weight setting range am gg BS88 with contactor LC- A A A A kg Class 0 A () with connection by screw clamp terminals D09 D8 LRD D09 D8 LRD D09 D8 LRD D09 D8 LRD D09 D8 LRD D09 D8 LRD D09 D8 LRD D09 D8 LRD D09 D8 LRD D09 D8 LRD D09 D8 LRD D D8 LRD D8 D8 LRD D D8 LRD D D8 LRD D and D8 LRD D0 D9 LRD D0 D9 LRD D0 D9 LRD D0 D9 LRD D0 D9 LRD D0 D9 LRD D and D9 LRD D80 and D9 LRD D and D0 LRD D and D0 LRD D0 LRD () LRD () LRD () LRD Class 0 A () with spring terminal connections (for direct mounting on the contactor only) D09 D8 LRD D09 D8 LRD D09 D8 LRD D09 D8 LRD D09 D8 LRD D09 D8 LRD D09 D8 LRD D09 D8 LRD D09 D8 LRD D09 D8 LRD D09 D8 LRD D D8 LRD D8 D8 LRD D D8 LRD- 0.0 Class 0 A () with connection by lug-clamps Select the appropriate overload relay with screw clamp terminals from the table above and add to the end of the reference. Example: LRD-0 becomes LRD-0. Thermal overload relays for use with unbalanced loads Class 0 A () with connection by screw clamp terminals Change the prefix in the references above from LRD (except LRD-ppp) to LR-D. Example: LRD-0 becomes LR-D0. Thermal overload relays for use on 000 V supplies Class 0 A () with connection by screw clamp terminals For relays LRD-0 to LRD- only, for an operating voltage of 000 V, and only for independent mounting, the reference becomes LRD-ppA. Example: LRD- becomes LRD-A. Order an LA7-D0 terminal block separately, see page /. () Standard IEC 97-- specifies a tripping time for 7. times the setting current I R : class 0 A: between and 0 seconds. () Independent mounting. Characteristics: pages /08 to / pages / to /8 page /9 / Schneider Electric

6 References -pole thermal overload relays, model d Differential thermal overload relays for use with fuses. Class 0 tripping p Compensated relays with manual or automatic reset, p with relay trip indicator, p for a.c. or d.c. p LR-D08 to : independent mounting - either by ordering a terminal block LA7-D0 or LA7-D0, see page /, - or by ordering the the relay pre-assembled; in this case add the suffix LA7 to the reference. Example: LR-D08 becomes LR-D08LA7. Relay Fuses to be used For use Reference Weight setting with the selected relay with contactor range am gg BS88 LC A A A A kg LR-Dpp Class 0 () for connection by screw clamp terminals. 0 D09 D LR-D D09 D LR-D D09 D LR-D D09 D LR-D D D LR-D D8 D LR-D D and D LR-D D and D LR-D D0 D9 LR-D 0. 0 D0 D9 LR-D D0 D9 LR-D D0 D9 LR-D D0 D9 LR-D D D9 LR-D D80 and D9 LR-D 0. Electronic differential thermal overload relays for use with fuses. Class 0 A or 0. LR-Dpp p Compensated relays, p with relay trip indicator, p for a.c. or d.c., p for direct mounting on contactor or independent mounting (). Relay Fuses to be used For direct mounting Reference Weight setting with selected relay beneath contactor range am gg LC A A A kg Class 0 or 0A () with connection using bars or connectors D and D0 LR9-D D and D0 LR9-D Class 0 () with connection using bars or connectors D and D0 LR9-D D and D0 LR9-D Electronic thermal overload relays for use with balanced or unbalanced loads LR-Dpp p Compensated relays, p with separate outputs for alarm and tripping. Relay Fuses to be used For direct mounting Reference Weight setting with the selected relay beneath contactor range am gg LC A A A kg Class 0 A or 0 () selectable with connection using bars or connectors D and D0 LR9-D D and D0 LR9-D () Standard IEC 97-- specifies a tripping time for 7. times the setting current I R class 0: between and 0 seconds, class 0 A: between and 0 seconds, class 0: between and 0 seconds. () Power terminals can be protected against direct finger contact by the addition of shrouds and/or insulated terminal blocks, to be ordered separately (see page /90). Characteristics: pages /08 to / Other versions pages / to /8 page /9 Thermal overload relays for resistive circuits in category AC-. Please call our Customer information centre on Schneider Electric /

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9 Dimensions Model d thermal overload relays LRD-0... Direct mounting beneath contactors with screw clamp connections LRD-0... Direct mounting beneath contactors with spring terminal connections c c b b 70 LC- D09...D8 D...D8 LC- D09...D8 b 7 b 8 c see pages /9 and /9 c see pages /9 and /9. LRD-ppp Direct mounting beneath contactors LC-D0 to D9 and LP-D0 to D80 AM- DL0 DL00 d 7 7 b c e g (P) g (P) 7 b e Control circuit: a.c. LC-D LC-D LC-D LC-D LC-D c d 0 70 g Control circuit: d.c. LC-D0, LP-D LC-D LC-D, LP-D LC-D80, D9, LP-D LRD-ppp Direct mounting beneath contactors LC-D and D0 LR9-D Direct mounting beneath contactors LC-D and D d 0 d 0 AM-DL00 and DR00 AM-DE00 and EDppp AM-DP00 and DR00 AM-DE00 and EDppp d. 0. d. 0. Characteristics: pages /08 to / pages / and / page /9 / Schneider Electric

10 LRD-0... Independent mounting on 0 mm centres or on rail AM-DP00 or DE00 Independent mounting on 0 mm centres LAD-7B0 LAD-7B , DX-AP xø, Remote tripping or electrical reset LAD-70 (). () Can only be mounted on RH side of relay LRD-0... LR-Dpp Independent mounting on 0 mm centres or on rail AM-DP00 or DE00 Remote tripping or electrical reset LA7-D0 LA7-D0() 79 0/ 98, d xø, AM-DP00 AM-DE00 d 9. LR-Dpp Independent mounting on 0 mm centres or on rail AM-DP00 or DE00 () Can be mounted on RH or LH side of relay LR-Dpp Remote tripping or electrical reset LA7-D0 0, 90 0/0 98 d xø, AM-DP00 AM-DE00 d 9. () Can be mounted on RH or LH side of relay LR-Dpp Schneider Electric /7

11 Mounting (continued) Model d thermal overload relays LRD-ppp and LR-Dpp Independent mounting on 0 mm centres or on mounting rail AM-DP00 or DE00 LRD-ppp, LR-Dpp and LR9-D Remote tripping or electrical reset LA7-D0 7 0 LA7-D0 (), 00 7/87 d xø,, 9. AM-DP00 AM-DE00 d 9. LR-D and LRD-ppp Adapter for door interlock mechanism LA7-D00 c 0 () Can be mounted on RH or LH side of relays LRD-ppp, LR-Dpp or LR9-D Stop Reset LA7-D00 c: adjustable from 7 to 0 mm LRD, LR-D and LR9-D Reset by flexible cable LA7-D0 and LAD-70 Mounting with cable straight Mounting with cable bent e c e M0x c: up to 0 mm e: up to 0 mm e: up to 0 mm Characteristics: pages /08 to / pages / and / /8 Schneider Electric

12 Schemes Model d thermal overload relays LRD, LR-D and LR-D Pre-cabling kit LAD-7C, LAD-7C Reset Auto Man. Test KM A A LR9-Dppp Stop 9 9 LRD KM /L /L /L 9. /T /T /T A M KM L L L () () Test Stop Reset man. () () M LR9-D7 and LR9-D9 N KM A A () () Tripped () Overload () Setting current () Specialised circuit KM /L /L + L L L () /L () + 0 V 0 0 /T /T /T () () Test Stop Reset man. 9 () 98 () 9 97 A M M KM N KM A A () () Tripped () Overload () Setting current () Specialised circuit () Alarm Characteristics: pages /08 to / pages / and / pages / to /8 Schneider Electric /9