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Siemens 5SU9356-1KK40 — Residual Current Breakers (RCCB/RCBO)

Siemens 5SU9356-1KK40 SENTRON RCBO, 40A Type C, 6/10kA, 2-po

MPN5SU9356-1KK40
Active

Siemens SENTRON 5SU9356-1KK40, RCBO (RCD-operated circuit breaker), 1P+N, 40 A at 30 °C, Type C, 6 kA / 10 kA, 2 MW, IP20.

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

5SU9356-1KK40 — Electrical Ratings
ParameterValue
Number of poles2
Overvoltage categoryIII
5SU9356-1KK40 — Identification
ParameterValue
Product designationRCD-operated circuit breaker
Product design / constructionInstantaneous
5SU9356-1KK40 — Mechanical
ParameterValue
Mounting positionany
Width in modular units2
Maximum75 °C
Minimum-40 °C
Width36 mm
Height90 mm
Depth77 mm
Installation depth70 mm
5SU9356-1KK40 — Environmental
ParameterValue
IP degree of protectionIP20, if the distribution board is installed, with connected conductors
5SU9356-1KK40 — Electrical
ParameterValue
Tripping Characteristic ClassC

Product details

The Siemens 5SU9356-1KK40 is a 2-pole (1P+N) SENTRON RCBO — an RCD-operated circuit breaker that combines overcurrent and residual current protection in a single 36 mm wide module.

Rated IP20 once the distribution board is closed and conductors are connected; not for wet-area panel faces without a cover.

Thermal derating and environment

Full rating is 40 A at 30 °C. Above that, derate linearly: 37.6 A at 40 °C, 36.4 A at 45 °C, 34.8 A at 50 °C, 32.4 A at 55 °C. Humidity tolerance up to 95%.

Frequently asked questions

Where can I buy 5SU9356-1KK40 and how do I get a price?

This part is sourced and quoted to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time — submit an RFQ for a firm commercial response.

What are the key ratings of 5SU9356-1KK40?

Rated 40 A at 30 °C, Type C tripping curve, 1P+N (2-pole), breaking capacity of 6 kA per EN 60898 and 10 kA per IEC 60947-2.

What is the physical size of 5SU9356-1KK40?

Width 36 mm (2 modular units), depth 77 mm, height 90 mm, installation depth 70 mm.

What compliance documentation does Siemens provide for 5SU9356-1KK40?

The part is halogen-free and silicon-free. Standard Siemens declarations (CE, UKCA) apply to the SENTRON RCBO range; specific RoHS/REACH documentation is available on request with the RFQ.

MPN
5SU9356-1KK40