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Siemens 3VA1150-5EF32-0AC0 — Molded Case Circuit Breakers (MCCB)

Siemens 3VA1150-5EF32-0AC0 SENTRON MCCB, 50 A, 187 kA at 240

MPN3VA1150-5EF32-0AC0

Siemens SENTRON 3VA1150-5EF32-0AC0, molded case circuit breaker, 3-pole, 50 A rated continuous current, TM240 thermal-magnetic release, 187 kA breaking capacity at 240 V, IP40 front protection.

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

3VA1150-5EF32-0AC0 — Identification
ParameterValue
Product designationMolded case circuit breaker
Brand / rangeSENTRON
Product versionLine protection
Integrated auxiliary / alarm switch ref.3VA9988-0AA12
3VA1150-5EF32-0AC0 — Ratings
ParameterValue
Number of poles3
Current at 40 °C50 A
Current at 45 °C50 A
Current at 50 °C50 A
Current at 55 °C48 A
Current at 60 °C47 A
Current at 65 °C46 A
Current at 70 °C45 A
Switching capacity classM
Breaking capacity at 240 V187 kA
Breaking capacity at 415 V121 kA
Breaking capacity at 440 V75.6 kA
Breaking capacity at 690 V17 kA
3VA1150-5EF32-0AC0 — Protection & Trip Unit
ParameterValue
Overcurrent release (trip unit) typeTM240
3VA1150-5EF32-0AC0 — Construction & Connection
ParameterValue
Main circuit connection typelug terminal
Main circuit connector arrangementFront terminal
Protection class (IP), frontIP40
3VA1150-5EF32-0AC0 — Accessories & Functions
ParameterValue
Undervoltage releaseNo
Voltage triggerNo
Trip indicatorNo
Communication functionNo
Measurement functionNo
Motor drive optionYes
Auxiliary CO contacts2
3VA1150-5EF32-0AC0 — Environmental
ParameterValue
Operating temperature, max.70 °C
Operating temperature, min.-25 °C
Storage temperature, max.80 °C
Storage temperature, min.-40 °C
3VA1150-5EF32-0AC0 — Mechanical
ParameterValue
Height130 mm
Width76.2 mm
Depth70 mm

Product details

What this MCCB delivers

Its headline breaking capacity hits 187 kA at 240 V, 121 kA at 415 V, and 75.6 kA at 440 V — numbers that tell you it can interrupt very high fault currents without cascading upstream. That SCCR headroom matters when you're coordinating a distribution board downstream of a large transformer or feeding a motor control center with high available fault current. The TM240 release is a fixed thermal-magnetic type — no electronic adjustment, no communication module, no voltage trigger. That keeps the part simple and reliable for standard line protection where you don't need remote monitoring or ground-fault sensing. The 2 auxiliary switches (HQ version) are integrated, giving you status feedback for the panel PLC or annunciator without an add-on module.

Above that, it derates linearly: 48 A at 55 °C, 47 A at 60 °C, 46 A at 65 °C, and 45 A at 70 °C. The IP40 front protection means it's dust-protected on the face but not sealed against hose-down — fine for a dry indoor panel, not for a washdown zone.

Frequently asked questions

Where can I buy 3VA1150-5EF32-0AC0 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.

What is the breaking capacity of 3VA1150-5EF32-0AC0 at different voltages?

Breaking capacity is 187 kA at 240 V, 121 kA at 415 V, 75.6 kA at 440 V, and 17 kA at 690 V.

MPN
3VA1150-5EF32-0AC0