• Siemens SENTRON 5SV8 Modular Residual Current Devices (MRCD, Type A/B)
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Siemens SENTRON 5SV8 Modular Residual Current Devices (MRCD, Type A/B)

Siemens SENTRON 5SV8 Modular Residual Current Devices (MRCD, Type A/B)

SENTRON 5SV8 modular residual current devices (MRCD) to IEC 60947-2 Annex M trip a circuit breaker via shunt release when a residual current is detected by an external summation CT.

Key features

  • MRCD digital type B 0.03-1 A for 230 V AC or 24 V DC supply
  • MRCD COM type A (0.01-30 A) and type B (0.03-3 A) with radio link to SENTRON Powercenter 1100/2000
  • Separate alarm and tripping contacts; adjustable response delay 0-10 s
  • Tested combinations with 3VA molded case circuit breakers and trip units
  • Summation CTs 35-210 mm (standard or shielded) and DIN-rail holders

Specifications

Brand line SENTRON
Series 5SV8 MRCD
Standards IEC 60947-2 (Annex M)
Mounting DIN rail
Operating temperature -25 to +55/60 °C
Source Siemens Catalog LV 10 · 2026, p. 862-867
5SV8101-4KK Item: MRCD digital, 2 MW | Type: B | Supply: 230 V AC | Range / rating: 0.03-1 A, 0-10 s
5SV8111-4KK Item: MRCD digital, 2 MW | Type: B | Supply: 24 V DC | Range / rating: 0.03-1 A, 0-10 s
5SV8122-6MP Item: MRCD COM, 1 MW, radio link | Type: A | Supply: 100-240 V AC/DC, 24 V DC | Range / rating: 0.01-30 A, delay 0-10 s
5SV8122-4MR Item: MRCD digital with COM, 2 MW | Type: B | Supply: 100-240 V AC/DC, 24 V DC | Range / rating: 0.03-3 A, delay 0-10 s
5SV8701-2KK Item: Summation CT 35 mm, standard | Type: For 5SV8101/8111 | Supply: - | Range / rating: In <= 80 A, Imax 500 A, min. 10 mA
5SV8701-2KP Item: Summation CT 35 mm, with shield | Type: For 5SV8101/8111 | Supply: - | Range / rating: In <= 80 A, Imax 500 A, min. 10 mA
5SV8702-2KK Item: Summation CT 60 mm, standard | Type: For 5SV8101/8111 | Supply: - | Range / rating: In <= 160 A, Imax 1000 A, min. 10 mA
5SV8702-2KP Item: Summation CT 60 mm, with shield | Type: For 5SV8101/8111 | Supply: - | Range / rating: In <= 160 A, Imax 1000 A, min. 10 mA
5SV8703-2KK Item: Summation CT 120 mm, standard | Type: For 5SV8101/8111 | Supply: - | Range / rating: In <= 330 A, Imax 2000 A, min. 100 mA
5SV8704-2KK Item: Summation CT 210 mm, standard | Type: For 5SV8101/8111 | Supply: - | Range / rating: In <= 630 A, Imax 3800 A, min. 300 mA
5SV8900-2KK Item: Holder for DIN rails | Type: For 5SV8701-2KK/-2KP | Supply: - | Range / rating: -
5SV8900-3KK Item: Holder for DIN rails | Type: For 5SV8702-2KK/-2KP | Supply: - | Range / rating: -
Residual Current DevicesSiemens
12 product codes available in this family
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Siemens SENTRON 5SV8 Modular Residual Current Devices (MRCD, Type A/B)

Brand Siemens·Residual Current Devices

Available part numbers (12)

5SV8101-4KK, 5SV8111-4KK, 5SV8122-6MP, 5SV8122-4MR, 5SV8701-2KK, 5SV8701-2KP, 5SV8702-2KK, 5SV8702-2KP, 5SV8703-2KK, 5SV8704-2KK + 2 more — see full table ↓

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Product codes & specifications
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Product codeSpec
5SV8101-4KKItem: MRCD digital, 2 MW | Type: B | Supply: 230 V AC | Range / rating: 0.03-1 A, 0-10 s
5SV8111-4KKItem: MRCD digital, 2 MW | Type: B | Supply: 24 V DC | Range / rating: 0.03-1 A, 0-10 s
5SV8122-6MPItem: MRCD COM, 1 MW, radio link | Type: A | Supply: 100-240 V AC/DC, 24 V DC | Range / rating: 0.01-30 A, delay 0-10 s
5SV8122-4MRItem: MRCD digital with COM, 2 MW | Type: B | Supply: 100-240 V AC/DC, 24 V DC | Range / rating: 0.03-3 A, delay 0-10 s
5SV8701-2KKItem: Summation CT 35 mm, standard | Type: For 5SV8101/8111 | Supply: - | Range / rating: In <= 80 A, Imax 500 A, min. 10 mA
5SV8701-2KPItem: Summation CT 35 mm, with shield | Type: For 5SV8101/8111 | Supply: - | Range / rating: In <= 80 A, Imax 500 A, min. 10 mA
5SV8702-2KKItem: Summation CT 60 mm, standard | Type: For 5SV8101/8111 | Supply: - | Range / rating: In <= 160 A, Imax 1000 A, min. 10 mA
5SV8702-2KPItem: Summation CT 60 mm, with shield | Type: For 5SV8101/8111 | Supply: - | Range / rating: In <= 160 A, Imax 1000 A, min. 10 mA
5SV8703-2KKItem: Summation CT 120 mm, standard | Type: For 5SV8101/8111 | Supply: - | Range / rating: In <= 330 A, Imax 2000 A, min. 100 mA
5SV8704-2KKItem: Summation CT 210 mm, standard | Type: For 5SV8101/8111 | Supply: - | Range / rating: In <= 630 A, Imax 3800 A, min. 300 mA
5SV8900-2KKItem: Holder for DIN rails | Type: For 5SV8701-2KK/-2KP | Supply: - | Range / rating: -
5SV8900-3KKItem: Holder for DIN rails | Type: For 5SV8702-2KK/-2KP | Supply: - | Range / rating: -

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