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Siemens 3VA1050-3ED42-0DC0 — Molded Case Circuit Breakers (MCCB)

Siemens 3VA1050-3ED42-0DC0 SENTRON MCCB, 50 A, 4-Pole, 75.6

MPN3VA1050-3ED42-0DC0

Siemens SENTRON 3VA1050-3ED42-0DC0, molded case circuit breaker, 4-pole, 50 A at 40 °C, 75.6 kA interrupting at 240 V, line protection design, with undervoltage release and 2 auxiliary switches.

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

3VA1050-3ED42-0DC0 — Identification
ParameterValue
Product designationMolded case circuit breaker
Brand / rangeSENTRON
Basic switch (supplied) ref.3VA10503ED420AA0
Integrated auxiliary / alarm switch ref.3VA9988-0AA12
3VA1050-3ED42-0DC0 — Ratings
ParameterValue
Number of poles4
Rated operational voltage Ue (AC)690 V
Rated insulation voltage Ui800 V
Current at 40 °C50 A
Current at 45 °C50 A
Current at 50 °C50 A
Current at 55 °C49 A
Current at 60 °C48 A
Current at 65 °C46 A
Current at 70 °C45 A
Switching capacity classN
Breaking capacity at 240 V75.6 kA
Breaking capacity at 415 V52.5 kA
Breaking capacity at 440 V32 kA
Breaking capacity at 500 V7.5 kA
Breaking capacity at 690 V7.5 kA
Power loss, max.17.1 W
3VA1050-3ED42-0DC0 — Protection & Trip Unit
ParameterValue
Overcurrent release (trip unit) typeTM210
Overcurrent protection functionLI
Ground-fault monitoringWithout
Grounding protection functionNo
3VA1050-3ED42-0DC0 — Construction & Connection
ParameterValue
Main circuit connection typenut keeper kit on both ends
Main circuit connector arrangementFront terminal
Protection class (IP), frontIP40
3VA1050-3ED42-0DC0 — Accessories & Functions
ParameterValue
Undervoltage releaseYes
Voltage triggerNo
Trip indicatorNo
Communication functionNo
Measurement functionNo
Motor drive optionNo
Auxiliary CO contacts2
3VA1050-3ED42-0DC0 — Environmental
ParameterValue
Operating temperature, max.70 °C
Operating temperature, min.-25 °C
Storage temperature, max.80 °C
Storage temperature, min.-40 °C
3VA1050-3ED42-0DC0 — Mechanical
ParameterValue
Mechanical service life (operating cycles), typ.20 000
Height130 mm
Width101.6 mm
Depth70 mm
Height (in)5.12 in
Width (in)4 in
Depth (in)2.76 in

Product details

The interrupting ratings climb steeply with voltage: 75.6 kA at 240 V, 52.5 kA at 415 V, and 32 kA at 440 V, dropping to 7.5 kA at 500 V and 690 V.

Integrated auxiliaries and releases

The UVR is designed for undervoltage release; the auxiliary switches signal breaker position back to a PLC or status lamp. The base switch assembly carries the order code 3VA10503ED420AA0.

Dimensions are 130 mm high, 101.6 mm wide, 70 mm deep — a standard 4-pole MCCB footprint for DIN-rail or panel-mount installation. Insulation voltage is rated at 800 V.

Frequently asked questions

How do I get current pricing and availability for 3VA1050-3ED42-0DC0?

Submit an RFQ through this listing. Pricing and stock are confirmed at quote time through independent distribution channels.

What is the depth of 3VA1050-3ED42-0DC0?

The depth is 70 mm (2.76 in), with a width of 101.6 mm (4 in) and height of 130 mm (5.12 in).

What compliance documentation is available for this MCCB?

As a SENTRON series product, it carries the standard IEC/EN 60947-2 certifications for molded case circuit breakers. Specific UL/CSA listing and RoHS/REACH declarations should be verified against the manufacturer's documentation for the exact variant.

MPN
3VA1050-3ED42-0DC0