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Siemens 3VA1112-5EF32-0BC0 — Molded Case Circuit Breakers (MCCB)

Siemens 3VA1112-5EF32-0BC0 SENTRON MCCB, 125 A, 3-Pole, TM24

MPN3VA1112-5EF32-0BC0

Siemens SENTRON 3VA1112-5EF32-0BC0, molded case circuit breaker, 3-pole, 125 A rated continuous current Iu, TM240 overcurrent release, line protection, 187 kA at 240 V, 121 kA at 415 V, 75.6 kA at 440 V, 17 kA at 690 V, with undervoltage release (UVR) and 2 auxiliary switches HQ.

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

3VA1112-5EF32-0BC0 — Identification
ParameterValue
Product designationMolded case circuit breaker
Brand / rangeSENTRON
Product versionLine protection
Basic switch (supplied) ref.3VA11125EF320AA0
Integrated auxiliary / alarm switch ref.3VA9988-0AA12
3VA1112-5EF32-0BC0 — Ratings
ParameterValue
Number of poles3
Current at 40 °C125 A
Current at 45 °C125 A
Current at 50 °C125 A
Current at 55 °C120 A
Current at 60 °C117.5 A
Current at 65 °C115 A
Current at 70 °C112.5 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
3VA1112-5EF32-0BC0 — Protection & Trip Unit
ParameterValue
Overcurrent release (trip unit) typeTM240
Overcurrent protection functionLI
3VA1112-5EF32-0BC0 — Construction & Connection
ParameterValue
Main circuit connection typelug terminal
Main circuit connector arrangementFront terminal
Protection class (IP), frontIP40
3VA1112-5EF32-0BC0 — Accessories & Functions
ParameterValue
Undervoltage releaseYes
Voltage triggerNo
Trip indicatorNo
Communication functionNo
Measurement functionNo
Motor drive optionYes
Auxiliary CO contacts2
3VA1112-5EF32-0BC0 — Environmental
ParameterValue
Operating temperature, max.70 °C
Operating temperature, min.-25 °C
Storage temperature, max.80 °C
Storage temperature, min.-40 °C
3VA1112-5EF32-0BC0 — Mechanical
ParameterValue
Height130 mm
Width76.2 mm
Depth70 mm

Product details

Rated current and interrupting capacity

The TM240 thermal-magnetic release provides line protection, with the thermal element calibrated for ambient temperatures up to 40 °C. Interrupting capacity is specified at four voltage levels: 187 kA at 240 V, 121 kA at 415 V, 75.6 kA at 440 V, and 17 kA at 690 V.

Integrated undervoltage release and auxiliary contacts

Two HQ auxiliary switches are also integrated, providing status feedback for the breaker's open/closed position.

Front-face protection is IP40.

Frequently asked questions

What compliance documentation does Siemens provide for 3VA1112-5EF32-0BC0?

As a current-production SENTRON MCCB, this part carries the standard Siemens compliance documentation package including CE marking, UL/CSA certifications per the 3VA series, and RoHS/REACH declarations. Specific certificate numbers are available in the product documentation linked from the Siemens Industry Online Support portal.

MPN
3VA1112-5EF32-0BC0