Engineered for reliable power distribution, this 2-pole, 125A molded case circuit breaker provides essential overload and short-circuit protection. It utilizes a TM210 fixed thermal-magnetic trip unit and is rated for 65kA at 480VAC, meeting Class H breaking capacity standards. This unit mounts into Siemens 3VA panelboards, switchboards, and motor control centers. It also functions as a drop-in replacement for discontinued HED42B125 breakers, ensuring continued safety and compliance.
Siemens 3VA Panelboards, Switchboards, Motor Control Centers
Protection and operation
Trip Technology
Thermal Magnetic
Trip Function Code
LI
Trip Function
Long-Time, Instantaneous
Trip Adjustability
Fixed Thermal, Fixed Magnetic
Standards and features
Available Options
Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Motor Operator, Rotary Handle, Lugs, DIN Rail Adapter, Handle Lock
Accessories
None (Nut Keeper Only)
Standards
IEC 60947-2, UL 489, CSA C22.2 No. 5
Approval
ABS, CE, CSA, EAC, IEC, UL, VDE
Temp Rating
-25C to 70C
Construction Features
HACR Rated, Current Limiting, Reverse Feed
Product FAQs
7 answers
Does the 3VA5112-6ED21-0AA0 come with lugs installed?
No, this specific catalog number is shipped without lugs. Lugs or other connection technologies must be ordered separately for field installation.
Can this circuit breaker be reverse fed?
Yes, all Siemens 3VA51 thermal-magnetic trip circuit breakers are UL listed for reverse feed applications.
What frame size is the 3VA5112-6ED21-0AA0?
This breaker is built on the Siemens 3VA51 frame, which supports a maximum continuous current of 125 amps.
What type of trip unit does this breaker use?
It is equipped with a TM210 thermal-magnetic trip unit, providing fixed long-time and fixed instantaneous (LI) protection.
Are the trip settings adjustable on the 3VA5112-6ED21-0AA0?
No, the TM210 trip unit features fixed thermal and fixed magnetic trip settings.
Is this breaker suitable for direct current (DC) systems?
Yes, Siemens 3VA5 thermal-magnetic breakers can be applied to DC systems. Two-pole models are typically used for 250V DC applications by placing one pole on each leg of the supply circuit.
What equipment is this breaker designed to fit?
It is compatible with Siemens 3VA panelboards, switchboards, and motor control centers.
SuperClub
Join free. Get 500 SuperPoints.
Earn points on eligible purchases and redeem them at checkout.
We source obsolete and hard-to-find parts every day.
Shipping
Free Shipping Policy
Parcel shipments with item value over $99 qualify for free economy shipping within the continental US. Please call to confirm special handling instructions. We do not charge a handling fee or require a minimum amount on any order. SuperBreakers does not ship on customer accounts.
We strive to ship out your items the same day the order is placed. In rare circumstances SuperBreakers may reserve up to 5 business days to consolidate orders for complete shipment.
Expedited Shipments
Orders being shipped via Next Day Air, 2 Day Shipping or 3 Day Shipping must be received by 3 PM EST to guarantee same-day shipments. Expedited orders only ship on normal business days. Shipments will NOT be sent out on Saturdays and Sundays.
International Shipping
All International orders require a $1,000 minimum order threshold. Due to the special nature of these shipments, we require that these be placed with a SuperBreakers representative. Additional shipping and instructions will apply. All International Orders are Non-Cancel and Non-Refundable.
Reviews
Review summary
Customers rate this product 4.8 out of 5 based on 8 reviews.