• Siemens SENTRON 5SU1 RCBOs 4-pole Type B/B+ (100/125 A)
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Siemens SENTRON 5SU1 RCBOs 4-pole Type B/B+ (100/125 A)

Siemens SENTRON 5SU1 RCBOs 4-pole Type B/B+ (100/125 A)

Siemens 5SU1 all-current sensitive type B and B+ RCBOs, 4-pole in 11 MW, with rated currents of 100 A and 125 A.

Key features

  • All-current sensitive type B and type B+ tripping
  • Super resistant [K] and selective [S] versions
  • Rated currents 100 A and 125 A, C or D characteristic
  • 400 V AC and 480 V AC versions, rated residual currents 30 and 300 mA
  • Rated breaking capacity 10 kA in 11 MW

Specifications

Series SENTRON 5SU1 RCBO
Poles 4P
Mounting width 11 MW
Breaking capacity 10 kA
Rated frequency 50/60 Hz
Ambient temperature -25 … +45 °C
Source Siemens Catalog LV 10 · 2026, p. 4/51
5SU1374-7AK81 Version: Super resistant [K] | Type: B | IΔn: 30 mA | In: 100 A | Characteristic: C | Rated voltage: 400 V AC
5SU1374-8AK81 Version: Super resistant [K] | Type: B | IΔn: 30 mA | In: 100 A | Characteristic: D | Rated voltage: 400 V AC
5SU1374-7AK82 Version: Super resistant [K] | Type: B | IΔn: 30 mA | In: 125 A | Characteristic: C | Rated voltage: 400 V AC
5SU1674-7AK81 Version: Super resistant [K] | Type: B | IΔn: 300 mA | In: 100 A | Characteristic: C | Rated voltage: 400 V AC
5SU1674-8AK81 Version: Super resistant [K] | Type: B | IΔn: 300 mA | In: 100 A | Characteristic: D | Rated voltage: 400 V AC
5SU1674-7CK81 Version: Super resistant [K] | Type: B | IΔn: 300 mA | In: 100 A | Characteristic: C | Rated voltage: 480 V AC
5SU1674-8BK81 Version: Selective [S] | Type: B | IΔn: 300 mA | In: 100 A | Characteristic: D | Rated voltage: 400 V AC
5SU1674-7AK82 Version: Super resistant [K] | Type: B | IΔn: 300 mA | In: 125 A | Characteristic: C | Rated voltage: 400 V AC
5SU1674-7CK82 Version: Super resistant [K] | Type: B | IΔn: 300 mA | In: 125 A | Characteristic: C | Rated voltage: 480 V AC
5SU1674-7BK82 Version: Selective [S] | Type: B | IΔn: 300 mA | In: 125 A | Characteristic: C | Rated voltage: 400 V AC
5SU1374-7DK81 Version: Super resistant [K] | Type: B+ | IΔn: 30 mA | In: 100 A | Characteristic: C | Rated voltage: 400 V AC
5SU1374-8DK81 Version: Super resistant [K] | Type: B+ | IΔn: 30 mA | In: 100 A | Characteristic: D | Rated voltage: 400 V AC
5SU1374-7DK82 Version: Super resistant [K] | Type: B+ | IΔn: 30 mA | In: 125 A | Characteristic: C | Rated voltage: 400 V AC
5SU1674-7DK81 Version: Super resistant [K] | Type: B+ | IΔn: 300 mA | In: 100 A | Characteristic: C | Rated voltage: 400 V AC
5SU1674-8DK81 Version: Super resistant [K] | Type: B+ | IΔn: 300 mA | In: 100 A | Characteristic: D | Rated voltage: 400 V AC
5SU1674-7FK81 Version: Super resistant [K] | Type: B+ | IΔn: 300 mA | In: 100 A | Characteristic: C | Rated voltage: 480 V AC
5SU1674-8EK81 Version: Selective [S] | Type: B+ | IΔn: 300 mA | In: 100 A | Characteristic: D | Rated voltage: 400 V AC
5SU1674-7DK82 Version: Super resistant [K] | Type: B+ | IΔn: 300 mA | In: 125 A | Characteristic: C | Rated voltage: 400 V AC
5SU1674-7FK82 Version: Super resistant [K] | Type: B+ | IΔn: 300 mA | In: 125 A | Characteristic: C | Rated voltage: 480 V AC
5SU1674-7EK82 Version: Selective [S] | Type: B+ | IΔn: 300 mA | In: 125 A | Characteristic: C | Rated voltage: 400 V AC
Residual Current DevicesSiemens
20 product codes available in this family
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Siemens SENTRON 5SU1 RCBOs 4-pole Type B/B+ (100/125 A)

Brand Siemens·Residual Current Devices

Available part numbers (20)

5SU1374-7AK81, 5SU1374-8AK81, 5SU1374-7AK82, 5SU1674-7AK81, 5SU1674-8AK81, 5SU1674-7CK81, 5SU1674-8BK81, 5SU1674-7AK82, 5SU1674-7CK82, 5SU1674-7BK82 + 10 more — see full table ↓

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Product codes & specifications
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RFQ List (0)
Product codeSpec
5SU1374-7AK81Version: Super resistant [K] | Type: B | IΔn: 30 mA | In: 100 A | Characteristic: C | Rated voltage: 400 V AC
5SU1374-8AK81Version: Super resistant [K] | Type: B | IΔn: 30 mA | In: 100 A | Characteristic: D | Rated voltage: 400 V AC
5SU1374-7AK82Version: Super resistant [K] | Type: B | IΔn: 30 mA | In: 125 A | Characteristic: C | Rated voltage: 400 V AC
5SU1674-7AK81Version: Super resistant [K] | Type: B | IΔn: 300 mA | In: 100 A | Characteristic: C | Rated voltage: 400 V AC
5SU1674-8AK81Version: Super resistant [K] | Type: B | IΔn: 300 mA | In: 100 A | Characteristic: D | Rated voltage: 400 V AC
5SU1674-7CK81Version: Super resistant [K] | Type: B | IΔn: 300 mA | In: 100 A | Characteristic: C | Rated voltage: 480 V AC
5SU1674-8BK81Version: Selective [S] | Type: B | IΔn: 300 mA | In: 100 A | Characteristic: D | Rated voltage: 400 V AC
5SU1674-7AK82Version: Super resistant [K] | Type: B | IΔn: 300 mA | In: 125 A | Characteristic: C | Rated voltage: 400 V AC
5SU1674-7CK82Version: Super resistant [K] | Type: B | IΔn: 300 mA | In: 125 A | Characteristic: C | Rated voltage: 480 V AC
5SU1674-7BK82Version: Selective [S] | Type: B | IΔn: 300 mA | In: 125 A | Characteristic: C | Rated voltage: 400 V AC
5SU1374-7DK81Version: Super resistant [K] | Type: B+ | IΔn: 30 mA | In: 100 A | Characteristic: C | Rated voltage: 400 V AC
5SU1374-8DK81Version: Super resistant [K] | Type: B+ | IΔn: 30 mA | In: 100 A | Characteristic: D | Rated voltage: 400 V AC
5SU1374-7DK82Version: Super resistant [K] | Type: B+ | IΔn: 30 mA | In: 125 A | Characteristic: C | Rated voltage: 400 V AC
5SU1674-7DK81Version: Super resistant [K] | Type: B+ | IΔn: 300 mA | In: 100 A | Characteristic: C | Rated voltage: 400 V AC
5SU1674-8DK81Version: Super resistant [K] | Type: B+ | IΔn: 300 mA | In: 100 A | Characteristic: D | Rated voltage: 400 V AC
5SU1674-7FK81Version: Super resistant [K] | Type: B+ | IΔn: 300 mA | In: 100 A | Characteristic: C | Rated voltage: 480 V AC
5SU1674-8EK81Version: Selective [S] | Type: B+ | IΔn: 300 mA | In: 100 A | Characteristic: D | Rated voltage: 400 V AC
5SU1674-7DK82Version: Super resistant [K] | Type: B+ | IΔn: 300 mA | In: 125 A | Characteristic: C | Rated voltage: 400 V AC
5SU1674-7FK82Version: Super resistant [K] | Type: B+ | IΔn: 300 mA | In: 125 A | Characteristic: C | Rated voltage: 480 V AC
5SU1674-7EK82Version: Selective [S] | Type: B+ | IΔn: 300 mA | In: 125 A | Characteristic: C | Rated voltage: 400 V AC

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