Rated for 10kAIC at 240VAC, the Siemens EE3B035 is a 3-pole, 35-amp molded case circuit breaker. It offers essential thermal-magnetic trip functions to protect commercial and industrial circuits from overloads and short circuits. This legacy breaker is specifically built to mount into older ITE and Siemens Sentron panelboards. It acts as a direct fit for obsolete systems, while the ED23B035 is available as a modern cross-reference. The unit features a quick-make/quick-break mechanism.
Which panelboards accept the Siemens EE3B035 circuit breaker?
The EE3B035 is a legacy E-frame bolt-on breaker designed to mount directly into older ITE and Siemens Sentron panelboards.
Is the Siemens EE3B035 an obsolete circuit breaker?
Yes, the EE series is a legacy frame that is no longer in active production. Sourcing an exact EE3B035 drop-in replacement allows you to maintain the original panel configuration without requiring bus modifications or adapter hardware.
What is the modern equivalent for the EE3B035?
The Siemens ED frame, such as the ED43B035, serves as the modern functional substitute for 35A, 3-pole applications. Upgrading to an ED frame in a legacy panelboard may require specific mounting hardware or filler plates to match the original footprint.
What does the LI trip function mean on the EE3B035?
The LI code indicates that this thermal-magnetic breaker provides Long-Time (thermal) and Instantaneous (magnetic) trip functions. This delivers standard protection against both gradual overloads and sudden short circuits.
Are the trip settings adjustable on the EE3B035?
No, this breaker features fixed thermal and fixed magnetic trip settings. It does not support field adjustments for the trip curve.
What is the advantage of the bolt-on mounting style for the EE3B035?
Bolt-on breakers physically bolt to the panel bus, providing a secure, vibration-resistant connection. This prevents the breaker from loosening over time, making it ideal for demanding commercial and industrial environments.
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Customers rate this product 5.0 out of 5 based on 2 reviews.