Built for commercial power distribution, the Siemens EE3B070 is a 3-pole, 70A legacy E-Frame MCCB. It provides reliable long-time and instantaneous thermal-magnetic trip functions. This bolt-on breaker installs into older Siemens and ITE FC, FE, CDP, P2, and P3 panelboards. For modern upgrades, it is officially superseded by the ED23B070. Rated for 10kAIC at 240VAC, it features non-interchangeable trip units and includes load-side lugs for straightforward wire termination.
Which panelboards are compatible with the EE3B070 breaker?
This E-frame breaker is designed for bolt-on installation in Siemens FC, FE, CDP, P2, and P3 panelboards.
What is the modern replacement for the legacy EE3B070 breaker?
The EE3B070 is a legacy E-frame breaker. For modern panel upgrades or when a direct replacement is unavailable, it is officially superseded by the ED23B070.
Is the EE3B070 rated for direct current systems?
Yes, in addition to its 240VAC rating, this breaker is rated for 250VDC with a 10kA interrupting capacity for use in direct current applications.
What conductor materials and sizes are supported by the load terminals?
The factory-installed load lugs accept 10 AWG through 1/0 AWG wire and are rated for both copper and aluminum conductors.
How does the EE3B070 connect to the line side power source?
As a bolt-on breaker, the line side connects directly to the panelboard bus via bolted connections. It does not use line side lugs.
Are the thermal and magnetic trip settings adjustable on this breaker?
No, the thermal-magnetic trip unit features fixed long-time and instantaneous (LI) trip functions that cannot be field adjusted.
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Customers rate this product 5.0 out of 5 based on 2 reviews.