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Siemens 3VA2450-5MN32-0BH0 — Molded Case Circuit Breakers (MCCB)

Siemens 3VA2450-5MN32-0BH0 SENTRON MCCB, 500 A, 3-Pole, Moto

MPN3VA2450-5MN32-0BH0

Siemens SENTRON 3VA2450-5MN32-0BH0, molded case circuit breaker, 3-pole, motor protection design, 500 A at 40 °C, 187 kA breaking capacity at 240 V.

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

3VA2450-5MN32-0BH0 — Identification
ParameterValue
Product designationMolded case circuit breaker
Brand / rangeSENTRON
Basic switch (supplied) ref.3VA2450-5MN32-0AA0
Integrated auxiliary / alarm switch ref.3VA9988-0AB12
3VA2450-5MN32-0BH0 — Ratings
ParameterValue
Number of poles3
Rated operational voltage Ue (AC)690 V
Rated insulation voltage Ui800 V
Current at 40 °C500 A
Current at 45 °C500 A
Current at 50 °C500 A
Current at 55 °C495 A
Current at 60 °C490 A
Current at 65 °C485 A
Current at 70 °C480 A
Switching capacity classM
Breaking capacity at 240 V187 kA
Breaking capacity at 415 V121 kA
Breaking capacity at 440 V121 kA
Breaking capacity at 500 V75.6 kA
Breaking capacity at 690 V9 kA
Power loss, max.101.5 W
3VA2450-5MN32-0BH0 — Protection & Trip Unit
ParameterValue
Overcurrent release (trip unit) typeETU350M
Overcurrent protection functionLSI
Ground-fault monitoringWithout
Grounding protection functionNo
3VA2450-5MN32-0BH0 — Construction & Connection
ParameterValue
Main circuit connection typeon both sides nut keeper kit
Main circuit connector arrangementFront terminal
Protection class (IP), frontIP40
3VA2450-5MN32-0BH0 — Accessories & Functions
ParameterValue
Undervoltage releaseYes
Voltage triggerNo
Trip indicatorYes
Communication functionNo
Measurement functionNo
Motor drive optionYes
Auxiliary CO contacts3
3VA2450-5MN32-0BH0 — Environmental
ParameterValue
Operating temperature, max.70 °C
Operating temperature, min.-25 °C
Storage temperature, max.80 °C
Storage temperature, min.-40 °C
3VA2450-5MN32-0BH0 — Mechanical
ParameterValue
Mechanical service life (operating cycles), typ.20 000
Height248 mm
Width138 mm
Depth110 mm
Height (in)9.76 in
Width (in)5.43 in
Depth (in)4.33 in

Product details

It carries a continuous current rating of 500 A at 40 °C, with a thermal derating curve that holds at 500 A all the way to 50 °C before stepping down: 495 A at 55 °C, 490 A at 60 °C, 485 A at 65 °C, and 480 A at 70 °C. Breaking capacity is rated across the voltage range: 187 kA at 240 V, 121 kA at 415 V and 440 V, 75.6 kA at 500 V, and 9 kA at 690 V.

Auxiliary and release configuration

The UVR means the breaker drops out when control voltage falls below a threshold — standard for safety circuits where a loss of control power must open the motor circuit. The HQ trip alarm switch provides a separate signal path for remote fault indication, which is useful for PLC-based monitoring without tying up the auxiliary contacts.

Panel fit

The 3-pole format with the UVR and auxiliary switch block adds about 18 mm to the width compared to a bare breaker; account for that in your gland-plate layout and wire-bend radius.

MPN
3VA2450-5MN32-0BH0