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Model: AT-8112

Origin: AT3W / Spain

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AT-8112 ATCOVER 230M: single-phase, 230Vac line
AT-8152 ATCOVER 130M: single-phase, 130Vac line

Tested and certified as Type 1, 2 and 3 according to regulations EN 61643-11 and GUIDE-BT-23 from REBT. Suitable for Categories I, II, III and IV equipment according to ITC-BT-23 from REBT. Discharge takes place in an internal encapsulated element, with no external flash.
It remains inactive in normal conditions, without affecting the normal working of the line and without leakage.

  • Coordinable with other SPDs such as ATSHOCK, ATSHIELD and ATSUB series.
  • Both common and differential protection for the phase and neutral lines
  • No interruptions in power supply, thus avoiding data loss and other inconvenients for the user.
  • Low residual voltage.
  • Double warning of “no protection” trough a lightning indicator of failure and a green light indicating good operation.
  • With remote control alarm.
  • Robust connectors, suitable for all type of connection.

ATCOVER SPDs have been tested in offi cial, independent laboratories , obtaining their characteristics according to relevant standards (related in the

 Installation ATCOVER M: 

{关键字}ATCOVER Surge Protective Devices are to be installed in parallel with the Low Voltage supply line, connected to line/s, neutral and ground.
The power should be disconnected during the installation of the SPD.

When connecting the protector, the green light must turn on indicating its good operation. If the failure warning turns on, or the green pilot turns of its imperative to replace the protector.

ATCOVERs can be installed as single protection or in combination with other protectors that withstand higher discharge currents. In this case, it is necessary that both are separated by at least 10 meter cable or, if this is not possible, by a decoupling inductor ATLINK, in order to achieve a correct coordination between them. Their installation is recommended in:

  • Secondary boards supplying sensitive systems. (electronics, informatics...)
  • Power supply of important equipment such as UPSs, PLCs, et

 Technical Datasheet ATCOVER M   

 Reference ATCOVER 230M
 Protection categories according to REBT: I, II, III, IV
 Type of tests according to EN 61643-11:   Type 1+2+3
 Nominal voltage: Un  230Vac
 Maximum working voltage: Uc    255Vac
 Nominal frequency: 50-60Hz
 Nominal discharge current (wave 8/20μs):  In   10kA
 Maximum discharge current (8/20μs wave): Imax 30kA
 Impulse current (10/350μs wave):  Iimp    6kA
 Protection level at In (8/20μs wave): Up(In)  900V
 Protection level (1,2/50μs wave): Up 700V
 Combined wave tension: Uoc 6kV
 Residual voltage with combination wave 6kV/3kA  700V
 Response time: tr <25ns
 Backup fuse(1): 125A gL/gG
 Maximum short-circuit current: 25kA (for maximum fuse)
 Working temperature: -40ºC to +70ºC
 SPD location: Indoor
 Type of connection: Parallel (one port)
 Number of poles: 2
 Dimensions: 72 x 90 x 80mm (8 mod. DIN43880)
 Fixing: DIN rail
 Enclosure material: Polyamide
 Enclosure protection: IP20
 Insulation resistance: >100.000.000MΩ
 Autoextinguish enclosure: V-0 Type according to UNE-EN 60707 (UL94)
 Connections L/N/GND: Min/Max section multi-stranded: 4 / 35 mm² (11/2 AWG)
Min/Max section single-stranded: 1 / 35 mm² (17/2 AWG)
 Voltage-free contact for the remote control   
 Connection: Maximum section single-stranded / multi-stranded: 1,5mm²
 Contact output: Commutated
 Working voltage: 250VAC(Maximum working voltage of the alarm supply)
 Maximum current: 2A (Maximum current of the alarm supply)
 Certificated tests according to: IEC 61643-1, EN 61643-11
 Complies with requirements of: UL 1449
 Relevant standards: UNE 21186, NFC 17102, IEC 62305

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