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Siemens 5SU1324-7KX40 — Residual Current Breakers (RCCB/RCBO)

Siemens SENTRON 5SU1324-7KX40 RCBO, 2P 40A Type A C-curve, 1

MPN5SU1324-7KX40
Active

Siemens SENTRON RCBO, 2-pole (2P), 40 A rated, residual current type A, tripping characteristic C, 10 kA per EN 60898 / 15 kA per IEC 60947-2, 3 modular width units, IP20, current production.

Siemens 5SU1324-7KX40 datasheet (PDF)
Source DocumentedChannel stated on listing & quote
Condition PhotosReal unit photos / video on request
WhatsApp AnswersFast human replies for machine-down parts
Worldwide DispatchDHL/FedEx — transit quoted per order
Independent China distributor & sourcing agent· Listing updated Sep 2026

Specifications

5SU1324-7KX40 — Electrical Ratings
ParameterValue
Number of poles2
Overvoltage categoryIII
5SU1324-7KX40 — Identification
ParameterValue
Product designationRCBO
Product design / constructionInstantaneous
5SU1324-7KX40 — Mechanical
ParameterValue
Mounting positionany
Width in modular units3
Maximum75 °C
Minimum-40 °C
Width54 mm
Height90 mm
Depth77 mm
Installation depth70 mm
5SU1324-7KX40 — Environmental
ParameterValue
IP degree of protectionIP20, if the distribution board is installed, with connected conductors
5SU1324-7KX40 — Electrical
ParameterValue
Tripping Characteristic ClassC

Product details

The Siemens SENTRON 5SU1324-7KX40 is a 2-pole (2P) RCBO — a combined residual-current circuit breaker with overcurrent protection — rated 40 A at 30 °C, with a Type A residual-current characteristic and a C tripping curve.

Derating and thermal limits

At 40 °C it derates to 37.6 A, at 50 °C to 34.8 A, and at 70 °C to 29.2 A.

Mounting and footprint

MPN
5SU1324-7KX40