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1 Surge arresters surge arresters are intended for protection of electrical installations and devices against overvoltage effects, which may occur in atmospheric discharges and switching overvoltages. The main part of surge arrester is ZnO non linear varistor. Its main characteristic is ohmic nonlinearity, which depends strongly on the applied voltage at the clamps. All arresters have modular construction, a special feature is interchanging varistor part and visual signalization for varistor thermical failure. The signalization performed with a red flag, which appears when failure occurs. The models with RC mark are equipped with auxiliary contacts for signalization. ETI also provides SPD protection for PV systems - see Green Protect catalogue. Surge arrester group A A are surge arresters for outdoor mounting. Group A overvoltage protection is in accordance with VDE class C. This protection corresponds to IEC category II. Protection is provided on power lines and is capable of discharging enormous pulse currents. In case of permanent arrester damage thermal protection will be activated. The protective component interrupts the circuit and after activation of disconnecting device earth conductor is visibly separated (type AQ). AQ AQ 280/ /60 AQ 440/ /60 AQ 280/ /60 AQ 440/ /60 AQ contains a decoupling device, which protects a module against short circuit condition. The earth conductor is visibly separated. Accessories Connection clamp for insulated conductor Technical data on page 457
2 Surge arrester group B EN/IEC/VDE: T1,T2, T3/I,II, III/B+C+D B is surge arrester for indoor application. Group B overvoltage protection is in accordance with VDE class B, C, D. This protection corresponds to IEC category I, II, III and EN Type 1, Type 2, Type 3. The protection is made on the main distribution box, as the first level of protection against lightning strikes, partial direct, indirect atmospheric discharges and induced surges. In case of permanent arrestor damage, thermal protection is activated which signalizes faulty arrester. Consequently only the SPD module has to be replaced, while base unit remains fixed on DIN rail. *Note: First number of designation 1+0, 2+0, 3+1 etc. indicates the number of varistors. Second one means the following: number 0 indicates there is no gas discharge tube, number 1 indicates there is. optical indication of faulty device (red false) metal snapper, new way of mounting on DINrail (easier, quicker) round-off shape compatible with ETIMAT B T12 Iimp=12,5kA Type Code No. I imp (10/350) I n /I max (8/20) U c [V AC] B T12 150/12, ,5 25/ /12 B T12 150/12,5 1+0 RC ,5 25/ /12 B T12 275/12, ,5 25/ /12 B T12 275/12,5 1+0 RC ,5 25/ /12 B T12 440/12, ,5 25/ /12 B T12 440/12,5 1+0 RC ,5 25/ /12 B T12 275/12, ,5 25/ /7 B T12 275/12,5 2+0 RC ,5 25/ /7 B T12 440/12, ,5 25/ /7 B T12 440/12,5 2+0 RC ,5 25/ /7 B T12 275/12, ,5 25/ /5 B T12 275/12,5 3+0 RC ,5 25/ /5 B T12 440/12, ,5 25/ /5 B T12 440/12,5 3+0 RC ,5 25/ /5 B T12 275/12, ,5 25/ /3 B T12 275/12,5 4+0 RC ,5 25/ /3 B T12 440/12, ,5 25/ /3 B T12 440/12,5 4+0 RC ,5 25/ /3 B T12 275/12, ,5 25/ /7 B T12 275/12,5 1+1 RC ,5 25/ /7 B T12 275/12, ,5 25/ /3 B T12 275/12,5 3+1 RC ,5 25/ /3 MOD. B T12 150/12, ,5 25/ MOD. B T12 275/12, ,5 25/ MOD. B T12 440/12, ,5 25/ MOD. B T1 255/ ,5 25/ * RC remote signalisation. Note: Iimp and In/Imax - defined per single pole B T12 275/12,5 1+0 B T12 275/12,5 4+0 Technical data on page
3 Surge arrester group B T12 EN/IEC/VDE: T1,T2/I,II/B,C B T12 275/7 1+0 B T12 275/7 1+0 RC B is surge arrester for indoor application. Group B overvoltage protection is in accordance with VDE class B, C. This protection corresponds to IEC category I, II and EN Type 1, Type 2. The protection is made on the main distribution box, as the first level of protection against lightning strikes, partial direct, indirect atmospheric discharges and induced surges. In case of permanent arrester damage, thermal protection is activated which signalizes faulty arrester. Consequently only the SPD module has to be replaced, while base unit remains fixed on DIN rail. *Note: First number of designation 1+0, 2+0, etc. indicates the number of (MOV) varistors or number of poles. optical indication of faulty device (green ok, red false) metal snapper, new way of mounting on DINrail (easier, quicker) round-off shape compatible with ETIMAT B T12 275/7 4+0 MODUL B T12 275/7 B T12 Type Code No. I imp (10/350) I n /I max (8/20) U c [V AC] B T12 275/ / VAC 128 1/12 B T12 275/7 1+0 RC / VAC 133 1/12 B T12 275/ / VAC 244 1/7 B T12 275/7 2+0 RC / VAC 249 1/7 B T12 275/ / VAC 352 1/5 B T12 275/7 3+0 RC / VAC 357 1/5 B T12 275/ / VAC 456 1/3 B T12 275/7 4+0 RC / VAC 471 1/3 MODUL B T12 275/ / VAC * RC remote signalisation Note: Iimp and In/Imax - defined per single pole Connection terminals Type code No. weight packaging IZ16/1F/2/ /600 IZ16/1F/3/ /600 IZ16/1F/4/ /600 For module width 17,8 mm. Connection terminals for 2 modules connection 3 modules connection 4 modules connection IZ16/1F/2/ IZ16/1F/3/ Application: Connection terminals are designed to connect modular surge for multimodule assemblies (multi). Connections are made at the terminals ground - PE IZ16/1F/3/ 452 Technical data on page 459
4 Surge arrester group C T2 EN/IEC/VDE: T2/II/C C T2 is surge arrester for indoor application. Group C surge protection is in accordance with VDE class C. This protection corresponds to IEC class II. The protection is made at the subdistribution board, as the second level of protection against overvoltage indirect lightning strikes. In case of permanent arrester damage, thermal protection is activated which signalize faulty arrester. C T2 255/20 G is an overvoltage arrester with gas discharge tube for protection against indirect lightning strikes. It is used as a galvanic separation between N-PE conductor in TT network systems. *Note: First number of designation 1+0, 2+0, 3+1 etc. indicates the number of varistors. Second one means the following: number 0 indicates there is no gas discharge tube, number 1 indicates there is. optical indication of faulty device (green ok, red false) metal snapper, new way of mounting on DIN rail (easier, quicker) round-off shape compatible with ETIMAT C T2 Type Code No. I n (8/20) U c [V AC] C T2 275/ VAC 128 1/12 C T2 275/ RC VAC 133 1/12 C T2 275/ VAC 456 1/3 C T2 275/ RC VAC 471 1/3 C T2 275/ VAC 244 1/7 C T2 275/ RC VAC 249 1/7 C T2 275/ VAC 352 1/5 C T2 275/ RC VAC 357 1/5 C T2 275/ VAC 225 1/7 C T2 275/ RC VAC 230 1/7 C T2 275/ VAC 441 1/3 C T2 275/ RC VAC 446 1/3 C T2 440/ VAC 130 1/12 C T2 440/ RC VAC 145 1/12 C T2 440/ VAC 466 1/3 C T2 440/ RC VAC 471 1/3 C T2 440/ VAC 247 1/7 C T2 440/ RC VAC 252 1/7 C T2 440/ VAC 356 1/5 C T2 440/ RC VAC,361 1/5 C T2 255/20 G VAC 118 1/12 MODUL C T2 275/ VAC 56 12/12 MODUL C T2 440/ VAC 58 12/12 MODUL C T2 255/20 G VAC 36 12/12 * RC remote signalisation Note: In - defined per single pole C T2 275/ C T2 275/ RC C T2 275/ MODUL C T2 275/20 Connection terminals Type code No. weight packaging IZ16/1F/2/ /600 IZ16/1F/3/ /600 IZ16/1F/4/ /600 For module width 17,8 mm. Connection terminals for 2 modules connection 3 modules connection 4 modules connection IZ16/1F/2/ IZ16/1F/3/ IZ16/1F/3/ Technical data on page
5 Surge arrester group D T3 EN/IEC/VDE: T3/III/D D T3 is a surge arrester for indoor application. Group D surge protection is in accordance with VDE class D. This protection corresponds to IEC category III, EN Type 3. The protection should be installed immediately before the protected load. This is protection against indirect lightning strikes. In case of permanent arrester damage, thermal protection is activated, which signalizes faulty arrester. Consequently only the SPD module has to be replaced, while base unit remains fixed on DIN rail. optical indication of faulty device (green ok, red false) metal snapper, new way of mounting on DIN rail (easier, quicker) round-off shape compatible with ETIMAT D T3 275/3 1+0 RC MODUL D T3 275/3 D T3 Type Code No. U oc /I n (8/20) U c [V AC] D T3 275/ kV/3kA /12 D T3 275/3 1+0 RC kV/3kA /12 D T3 440/ kV/3kA /12 D T3 440/3 1+0 RC kV/3kA /12 MODUL D T3 275/ kV/3kA MODUL D T3 440/ kV/3kA * RC remote signalisation Note: In - defined per single pole Connection terminals Type code No. weight packaging IZ16/1F/2/ /600 IZ16/1F/3/ /600 IZ16/1F/4/ /600 For module width 17,8 mm. Connection terminals for 2 modules connection 3 modules connection 4 modules connection Application: Connection terminals are designed to connect modular surge for multimodule assemblies (multi). Connections are made at the terminals ground - PE IZ16/1F/2/ IZ16/1F/3/ IZ16/1F/3/ 454 Technical data on page 463
6 D 255/3 MINI D 255/3 MINI FILT D 20/275F 8A G is an electromagnetic interference (EMI) and overvoltage protective device of class III. It is designed for complete protection and is installed directly in front of protected devices on DIN rail. Protected electrical device is safe against effects of overvoltage, electrostatic voltage and electromagnetic interferences. These disturbances, which are present in all electrical systems, are caused by other electrical devices, by switching manoeuvres, by defects in electrical network and by other activities, such as welding. Applications: Protecting devices such as: TV, PC, Server, Control and regulation devices,.. FILT D FILT D 20/275F 8A G Technical data on page
7 Surge protection of SIGNAL/CONTROL lines SIGNAL/CONTROL low voltage protective devices have been developed to protect against the effects of induced voltages onto data, signal and communication circuits. Coarse protection is provided by a three terminal gas discharge tube while fine protection is provided using a high speed silicon or metal oxide varistor stage. Care is taken to ensure coordination between these two stages without voltages or surge current blind spots occuring. The circuit topology consists of a multi- stage protector providing both common (longitudinal) mode and differential (transverse) mode protection. SIG EM-TD series provides overcurrent protection by PTC element, which provides a level of protection against short circuit or mains incursion. Internal thermal disconnectors are also employed to reduce the hazards of thermal runaway during fault conditions. SIG EMH-TC series is designed to minimize intercapacitance and shunt capacitance, thereby maximizing the operating frequency to 35MHz in most cases. Thermal protection is provided to reduce the hazards of thermal runaway should there be an inadvertent mains incursion fault. SIG EMS-TC series is intended for those applications where high ground potential rises may frequently occur, such as in locations close to electric railways. Thermal protection is provided to reduce the hazards of thermal runaway should there be an inadvertent mains incursion fault. SIG EMO series is intended for those application where higher than normal surge discharge levels may be experienced. EM-RS485 has been developed to protect 2 pair data transmission circuits using the RS 485, RS 422 and V11 protocol. The circuit consists of two balanced pairs with equipotential equalization between them. Equipotential equalization is also provided between signal ground and protective ground to avoid equipment damage from ground potential rises during surge activity. Coarse protection is provided by a three terminal gas discharge tube while fine protection is provided using a high speed silicon stage which provides both common (longitudinal) mode protection from each line to protective ground, and differential (transverse) mode protection between each pair. Care is taken to ensure coordination between these two stages without voltage or surge current blind spots occurring. Thermal protection is provided to reduce the hazards of thermal runaway should there be an inadvertent mains incursion fault. LAN series is intended to protect Local Area Networks (LAN) from over voltage surges and electrostatic discharges created by switching transients in buildings. LAN systems are particularly prone to such disturbances because of the often long cable lengths involved which behave like antennas to such atmospheric disturbances. It provides protection to all 8 lines in the UTP, STP and is Cat 6 capable. Ground potential equalization between signal and protective (network or PC chassis) ground is provided. SIGNAL/CONTROL lines SIG EM-TD 24V RC /12 SIG EM-TD 24V 2 GND /12 SIG EM-TD 110V RC /12 SIG EM-TD 110V 2 GND /12 SIG EMH-TC 24V 2GND /12 SIG EMH-TC 110V 2GND /12 SIG EMS-TC 24V /12 SIG EMS-TC 110V /12 SIG EMO 24V /12 SIG EMO 110V /12 EM-RS LAN n SIG EM-TD: indication window of faulty device n remote signalisation (option) n mounting on top hat fixing DIN rail n high degree of protection n PTC is the protective element n metal snapper, new way of mounting on DIN rail (easier, quicker) 456 Technical data on page 465
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