Housed in a compact 3VA51 frame, the Siemens 3VA5110-4ED21-0AA0 offers dependable overcurrent protection for single-phase industrial applications. This 100A breaker is equipped with a TM210 thermal-magnetic trip unit, delivering fixed long-time and instantaneous protection. It mounts into Siemens P1 through P5 panelboards, switchboards, and motor control centers. It also serves as a direct upgrade for legacy ED42B100 breakers.
Siemens P1, P2, P3, P4, P5 Panelboards (requires mounting kit), 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, DIN Rail Adapter, Lug Kits
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, Reverse Feed, Current Limiting
Product FAQs
8 answers
What panelboards are compatible with the 3VA5110-4ED21-0AA0?
This breaker mounts into Siemens P1, P2, P3, P4, and P5 panelboards. Note that a specific mounting kit is required for installation in these panels. It is also compatible with Siemens switchboards and motor control centers.
Can the 3VA5110-4ED21-0AA0 replace a legacy ED42B100 breaker?
Yes, this 3VA5 series breaker serves as a direct modern upgrade and replacement for legacy Siemens ED42B100 circuit breakers.
What is the frame size of the 3VA5110-4ED21-0AA0?
This 100A breaker is built on the compact Siemens 3VA51 frame, which has a maximum capacity of 125A.
Can this breaker be used in DC power systems?
Yes, it is rated for use in DC applications up to 250VDC, where it provides a 25kA interrupting capacity.
What type of trip unit does the 3VA5110-4ED21-0AA0 use?
It is equipped with a TM210 thermal-magnetic trip unit. This provides fixed long-time (thermal) and fixed instantaneous (magnetic) overcurrent protection.
Is the 3VA5110-4ED21-0AA0 suitable for reverse feed applications?
Yes, Siemens 3VA5 thermal-magnetic circuit breakers are UL listed for reverse feed applications.
Does the 3VA5110-4ED21-0AA0 support field-installable accessories?
Yes, the 3VA51 frame features internal pockets that accept a variety of field-installable accessories, including auxiliary switches, alarm switches, shunt trips, and undervoltage releases.
Is the 3VA5110-4ED21-0AA0 rated as a current-limiting breaker?
Yes, this molded case circuit breaker features a current-limiting design to provide enhanced short-circuit protection for downstream electrical components.
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Reviews
Review summary
Customers rate this product 4.8 out of 5 based on 8 reviews.