• Siemens SENTRON 5SD74 surge arresters, type 2 (standard design)
1 1

Siemens SENTRON 5SD74 surge arresters, type 2 (standard design)

Siemens SENTRON 5SD74 surge arresters, type 2 (standard design)

SENTRON 5SD74 type 2 surge arresters in standard design for TN, TT and IT systems up to 554/960 V AC, plus photovoltaic versions with fuse bases.

Key features

  • Type 2 surge arresters per IEC/EN 61643-11
  • 1+0, 3+0 and 3+1 circuits, 1 to 4 MW
  • Versions with and without remote signaling
  • IT network versions up to 554/960 V AC
  • Photovoltaic arresters with integrated fuse bases for 600/1000 V DC
  • Plug-in replaceable protection modules

Specifications

Brand Siemens SENTRON
Series 5SD74
SPD type Type 2
Standards IEC/EN 61643-11
Mounting DIN rail
Source Siemens Catalog LV 10 · 2026, p. 518-519
5SD7461-1 System: TN and TT | Protection paths: L-PEN and L-N | Un / Uc: 240/415 V AC / 350 V AC | Circuit: 1 + 0 | Remote signaling: Yes | Mounting width: 1 MW
5SD7481-1 System: TN-C and IT | Protection paths: L-PEN and L-N | Un / Uc: 400/690 V AC / 800 V AC | Circuit: 1 + 0 | Remote signaling: Yes | Mounting width: 2 MW
5SD7463-1 System: TN-C | Protection paths: L-PEN | Un / Uc: 240/415 V AC / 350 V AC | Circuit: 3 + 0 | Remote signaling: Yes | Mounting width: 3 MW
5SD7473-1 System: IT | Protection paths: L-PEN and L-PE | Un / Uc: 400/690 V AC / 580 V AC | Circuit: 3 + 0 | Remote signaling: Yes | Mounting width: 3 MW
5SD7483-5 System: IT | Protection paths: L-PEN and L-PE | Un / Uc: 554/960 V AC / 760 V AC | Circuit: 3 + 0 | Remote signaling: Yes | Mounting width: 3 MW
5SD7464-1 System: TN-S and TT | Protection paths: L-N, L-PE and N-PE | Un / Uc: 240/415 V AC / 350/260 V AC | Circuit: 3 + 1 | Remote signaling: Yes | Mounting width: 4 MW
5SD7481-0 System: TN and TT | Protection paths: N-PE | Un / Uc: 240/415 V AC / 260 V AC | Circuit: 1 + 0 | Remote signaling: No | Mounting width: 1 MW
5SD7461-0 System: TN and TT | Protection paths: L-PEN and L-N | Un / Uc: 240/415 V AC / 350 V AC | Circuit: 1 + 0 | Remote signaling: No | Mounting width: 1 MW
5SD7463-0 System: TN-C | Protection paths: L-PEN | Un / Uc: 240/415 V AC / 350 V AC | Circuit: 3 + 0 | Remote signaling: No | Mounting width: 3 MW
5SD7464-0 System: TN-S and TT | Protection paths: L-N, L-PE and N-PE | Un / Uc: 240/415 V AC / 350/260 V AC | Circuit: 3 + 1 | Remote signaling: No | Mounting width: 4 MW
5SD7483-0KK02 System: PV, with fuse bases | Protection paths: (L+)-(L-); (L+)-PE; (L-)-PE | Un / Uc: - / 1000 V DC | Circuit: 3 + 0 | Remote signaling: No | Mounting width: -
5SD7483-0KK01 System: PV, with fuse bases | Protection paths: (L+)-(L-); (L+)-PE; (L-)-PE | Un / Uc: - / 600 V DC | Circuit: 3 + 0 | Remote signaling: No | Mounting width: -
5SD7488-0 System: Spare part plug | Protection paths: N-PE | Un / Uc: - | Circuit: For 5SD7481-0, 5SD7464-0/-1 | Remote signaling: - | Mounting width: -
5SD7468-1 System: Spare part plug | Protection paths: L-N and L-PEN | Un / Uc: - | Circuit: For 5SD7461-0/-1, 5SD7463-0/-1, 5SD7464 | Remote signaling: - | Mounting width: -
5SD7488-2 System: Spare part plug | Protection paths: L-PEN | Un / Uc: - | Circuit: For 5SD7481-1 and 5SD7483-5 | Remote signaling: - | Mounting width: -
5SD7488-4 System: Spare part plug | Protection paths: L-PEN | Un / Uc: - | Circuit: For 5SD7481-1 | Remote signaling: - | Mounting width: -
5SD7498-4 System: Spare part plug | Protection paths: L-PE (PV) | Un / Uc: - | Circuit: For 5SD7483-0KK02 | Remote signaling: - | Mounting width: -
5SD7498-5 System: Spare part plug | Protection paths: L-PE (PV) | Un / Uc: - | Circuit: For 5SD7483-0KK01 | Remote signaling: - | Mounting width: -
Surge Protection DevicesSiemens
18 product codes available in this family
Sourced direct from KoreaExport-ready supplyCompetitive pricing
RFQ List 0 Email about this

Need a different model, or a part not listed here? Send us your parts list →

Siemens SENTRON 5SD74 surge arresters, type 2 (standard design)

Brand Siemens·Surge Protection Devices

Available part numbers (18)

5SD7461-1, 5SD7481-1, 5SD7463-1, 5SD7473-1, 5SD7483-5, 5SD7464-1, 5SD7481-0, 5SD7461-0, 5SD7463-0, 5SD7464-0 + 8 more — see full table ↓

How to order

Send the Siemens part numbers and quantities through our RFQ form or to info@prosourcemro.com. We confirm price, availability and lead time within 1 business day — no account needed.

RFQ List 0 →
View full details
Product codes & specifications
0 selected
RFQ List (0)
Product codeSpec
5SD7461-1System: TN and TT | Protection paths: L-PEN and L-N | Un / Uc: 240/415 V AC / 350 V AC | Circuit: 1 + 0 | Remote signaling: Yes | Mounting width: 1 MW
5SD7481-1System: TN-C and IT | Protection paths: L-PEN and L-N | Un / Uc: 400/690 V AC / 800 V AC | Circuit: 1 + 0 | Remote signaling: Yes | Mounting width: 2 MW
5SD7463-1System: TN-C | Protection paths: L-PEN | Un / Uc: 240/415 V AC / 350 V AC | Circuit: 3 + 0 | Remote signaling: Yes | Mounting width: 3 MW
5SD7473-1System: IT | Protection paths: L-PEN and L-PE | Un / Uc: 400/690 V AC / 580 V AC | Circuit: 3 + 0 | Remote signaling: Yes | Mounting width: 3 MW
5SD7483-5System: IT | Protection paths: L-PEN and L-PE | Un / Uc: 554/960 V AC / 760 V AC | Circuit: 3 + 0 | Remote signaling: Yes | Mounting width: 3 MW
5SD7464-1System: TN-S and TT | Protection paths: L-N, L-PE and N-PE | Un / Uc: 240/415 V AC / 350/260 V AC | Circuit: 3 + 1 | Remote signaling: Yes | Mounting width: 4 MW
5SD7481-0System: TN and TT | Protection paths: N-PE | Un / Uc: 240/415 V AC / 260 V AC | Circuit: 1 + 0 | Remote signaling: No | Mounting width: 1 MW
5SD7461-0System: TN and TT | Protection paths: L-PEN and L-N | Un / Uc: 240/415 V AC / 350 V AC | Circuit: 1 + 0 | Remote signaling: No | Mounting width: 1 MW
5SD7463-0System: TN-C | Protection paths: L-PEN | Un / Uc: 240/415 V AC / 350 V AC | Circuit: 3 + 0 | Remote signaling: No | Mounting width: 3 MW
5SD7464-0System: TN-S and TT | Protection paths: L-N, L-PE and N-PE | Un / Uc: 240/415 V AC / 350/260 V AC | Circuit: 3 + 1 | Remote signaling: No | Mounting width: 4 MW
5SD7483-0KK02System: PV, with fuse bases | Protection paths: (L+)-(L-); (L+)-PE; (L-)-PE | Un / Uc: - / 1000 V DC | Circuit: 3 + 0 | Remote signaling: No | Mounting width: -
5SD7483-0KK01System: PV, with fuse bases | Protection paths: (L+)-(L-); (L+)-PE; (L-)-PE | Un / Uc: - / 600 V DC | Circuit: 3 + 0 | Remote signaling: No | Mounting width: -
5SD7488-0System: Spare part plug | Protection paths: N-PE | Un / Uc: - | Circuit: For 5SD7481-0, 5SD7464-0/-1 | Remote signaling: - | Mounting width: -
5SD7468-1System: Spare part plug | Protection paths: L-N and L-PEN | Un / Uc: - | Circuit: For 5SD7461-0/-1, 5SD7463-0/-1, 5SD7464 | Remote signaling: - | Mounting width: -
5SD7488-2System: Spare part plug | Protection paths: L-PEN | Un / Uc: - | Circuit: For 5SD7481-1 and 5SD7483-5 | Remote signaling: - | Mounting width: -
5SD7488-4System: Spare part plug | Protection paths: L-PEN | Un / Uc: - | Circuit: For 5SD7481-1 | Remote signaling: - | Mounting width: -
5SD7498-4System: Spare part plug | Protection paths: L-PE (PV) | Un / Uc: - | Circuit: For 5SD7483-0KK02 | Remote signaling: - | Mounting width: -
5SD7498-5System: Spare part plug | Protection paths: L-PE (PV) | Un / Uc: - | Circuit: For 5SD7483-0KK01 | Remote signaling: - | Mounting width: -

Need a different model, or a part not listed here? Send us your parts list →

Related products

All Relays & Switches →