• Siemens SENTRON 5SD74 lightning arresters, type 1
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Siemens SENTRON 5SD74 lightning arresters, type 1

Siemens SENTRON 5SD74 lightning arresters, type 1

SENTRON 5SD74 type 1 lightning current arresters with remote signaling for TN-C, TN-S, TT and IT systems at the building service entrance.

Key features

  • Type 1 lightning current arresters per IEC/EN 61643-11
  • Versions for TN-C, TN-S/TT systems and IT networks up to 690 V AC
  • Circuits 1+0, 1+1, 3+0 and 3+1
  • Remote signaling contact for status monitoring
  • Replaceable spare part plugs

Specifications

Brand Siemens SENTRON
Series 5SD74
SPD type Type 1
Standards IEC/EN 61643-11
Mounting DIN rail
Source Siemens Catalog LV 10 · 2026, p. 508-509
5SD7411-2 System: TN-C and IT | Protection paths: L-PE | Un / Uc: 690 V AC / 800 V AC | Circuit: 1 + 0 | Remote signaling: Yes | Mounting width: No modular device
5SD7412-1 System: TN-S and TT | Protection paths: L-N, L-PE and N-PE | Un / Uc: 240 V AC / 350 V AC | Circuit: 1 + 1 | Remote signaling: Yes | Mounting width: 4 MW
5SD7413-1 System: TN-C | Protection paths: L-PEN | Un / Uc: 240/415 V AC / 350 V AC | Circuit: 3 + 0 | Remote signaling: Yes | Mounting width: 6 MW
5SD7414-1 System: TN-S and TT | Protection paths: L-N, L-PE and N-PE | Un / Uc: 240/415 V AC / 350 V AC | Circuit: 3 + 1 | Remote signaling: Yes | Mounting width: 8 MW
5SD7418-0 System: Spare part plug | Protection paths: N-PE | Un / Uc: - | Circuit: For 5SD7412-1/14-1, 5SD7442-1/44-1 | Remote signaling: - | Mounting width: -
5SD7418-1 System: Spare part plug | Protection paths: L-N and L-PEN | Un / Uc: - | Circuit: For 5SD7412-1, 5SD7413-1, 5SD7414-1 | Remote signaling: - | Mounting width: -
Surge Protection DevicesSiemens
6 product codes available in this family
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Siemens SENTRON 5SD74 lightning arresters, type 1

Brand Siemens·Surge Protection Devices

Available part numbers (6)

5SD7411-2, 5SD7412-1, 5SD7413-1, 5SD7414-1, 5SD7418-0, 5SD7418-1

How to order

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Product codes & specifications
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Product codeSpec
5SD7411-2System: TN-C and IT | Protection paths: L-PE | Un / Uc: 690 V AC / 800 V AC | Circuit: 1 + 0 | Remote signaling: Yes | Mounting width: No modular device
5SD7412-1System: TN-S and TT | Protection paths: L-N, L-PE and N-PE | Un / Uc: 240 V AC / 350 V AC | Circuit: 1 + 1 | Remote signaling: Yes | Mounting width: 4 MW
5SD7413-1System: TN-C | Protection paths: L-PEN | Un / Uc: 240/415 V AC / 350 V AC | Circuit: 3 + 0 | Remote signaling: Yes | Mounting width: 6 MW
5SD7414-1System: TN-S and TT | Protection paths: L-N, L-PE and N-PE | Un / Uc: 240/415 V AC / 350 V AC | Circuit: 3 + 1 | Remote signaling: Yes | Mounting width: 8 MW
5SD7418-0System: Spare part plug | Protection paths: N-PE | Un / Uc: - | Circuit: For 5SD7412-1/14-1, 5SD7442-1/44-1 | Remote signaling: - | Mounting width: -
5SD7418-1System: Spare part plug | Protection paths: L-N and L-PEN | Un / Uc: - | Circuit: For 5SD7412-1, 5SD7413-1, 5SD7414-1 | Remote signaling: - | Mounting width: -

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