“There are no reviews yet — be the first to share your experience.”Your company · September 7, 2026

Photos of the actual unit are provided before shipment on request.
Molded Case Circuit Breaker 3VA2780-3AB03-4MH0
MLFB / Order No.: 3VA2780-3AB03-4MH0Product Description
Fixed-mounted molded case circuit breaker frame 1600; with RTC and 4AUX trip alarm switch S24; Icu "C" Icu=110kA @ 415V, 3-pole ETU320, LI, In=800A rotary coding switch Ir=320...800A Ii=1.5...15 x In N conductor protec. adjustable opt. w. ext. CT; up to 200% nut keeper kit No communication connection, no measurement function Motorized operating mechanism 220...250 V AC/DC incl. S21 spring energy store signaling switch With electr. and mech. calling Switch-on solenoid (CC) 220-240 V AC/DC incl. remote reset solenoid (RR) reset remotely 220 V AC/DC with 2nd auxiliary release UVR, instant Undervoltage 220-240 V AC/DC without 1st auxiliary release
- ManufacturerSiemens
- Product NameMolded Case Circuit Breaker 3VA2780-3AB03-4MH0
- Order Number3VA2780-3AB03-4MH0
- Product DescriptionCircuit Protection for industrial automation applications.
- Voltage250 V AC/DC
- CurrentIn=800A
- Product TypeMolded Case Circuit Breaker
- CategoryLow-Voltage Controls and Distribution > Circuit Breakers
- Poles3
- Breaking Capacity110kA @ 415V
- Line ProtectionETU320
- Overload IR320...800A
- Short Circuit II1.5...15 x In
- HS Code (8-digit, Preliminary)85015200
- OriginGermany
- Warranty12 months
Related
Often Ordered Together
Pressure Transmitter 7MF4033-1EA10-1AC7-Z A01+B11+C11+Y01+Y15+Y21
View Details
Pressure Transmitter 7MF0300-1NE01-5AM1-Z A00+B13+E00+H01+Y01+Y15
View DetailsCUSTOMER FEEDBACK
Trusted by industrial purchasing teams.
Verified sourcing support, clear communication and export-ready delivery for Molded Case Circuit Breaker 3VA2780-3AB03-4MH0.
SHARE YOUR EXPERIENCE
Purchased this product from us?
Your feedback helps other industrial buyers. Reviews are checked before publication.