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SKU 3VA5112-5EC31-0AA0
3VA5112-5EC31-0AA0 Siemens
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Product Details
Specifications provided for reference. Verify critical details against official manufacturer documentation before installation.
Product Overview
The Siemens 3VA5112-5EC31-0AA0 is a three-pole molded-case circuit breaker from the SENTRON 3VA5 UL Frame 125 family. It features thermal-magnetic trip unit TM230 with fixed overload protection set at 125 A and short-circuit protection 5…10 × In. It is designed for line protection and offers a breaking capacity of 35 kA at 480 V AC. Used in industrial control systems, it provides protective interruption of three-phase power circuits, suitable for distribution panels and machinery protection.
Best Suited For
- Three-phase feeder distribution circuit protection
- Industrial machinery line protection
- Panelboard main feeder applications
- Maintenance replacement for UL-rated MCCB
Rated current
125 A
Poles
3
Breaking capacity
35 kA @ 480 V AC
Trip unit
TM230 thermal-magnetic
Power loss (max)
30.1 W
Technical Specifications
I/O & Electrical
Rated current (In)
125 A
Short-circuit protection (Ii)
5…10 × In
Communication & Power
Overcurrent trip unit
TM230 thermal-magnetic
Breaking capacity
35 kA @ 480 V AC
Physical & Environmental
Insulation voltage
800 V
AC operating voltage
690 V
Power loss (max)
30.1 W
Power loss per pole (AC, hot)
10.03 W
Mechanical service life
20 000 operations
Electrical endurance (AC-1 at 380/415 V)
8 000 operations
Electrical endurance (AC-1 at 690 V)
4 000 operations
Net weight
972 g
Certifications
UL 489
