Engineered for heavy-duty power distribution, the Siemens HHED63M100 is a 3-pole, 100A molded case circuit breaker from the proven Sentron family. It utilizes a fixed thermal-magnetic trip mechanism to protect against overloads and short circuits in commercial facilities. This ED frame breaker mounts into Siemens panelboards and switchboards via a bolt-on connection. With a 50°C ambient calibration and marine-duty rating, it performs reliably in elevated temperatures and delivers 65kAIC at 480V.
CSA C22.2 No. 5, HACR, IEC 60947-2, UL 489, UL 489 Marine
Approval
CSA, IEC, UL, UL Marine
Temp Rating
50C
Construction Features
HACR Rated, Current Limiting, Extra High Interrupting Capacity, Non-Interchangeable Trip, 50C Ambient Calibration
Product FAQs
6 answers
What does the M in the HHED63M100 catalog number signify?
The M indicates the breaker is calibrated for a 50 degree Celsius ambient temperature. This is typically required for marine applications or high-heat industrial environments, whereas standard Siemens breakers are calibrated for 40 degrees Celsius.
Which panelboards accept the HHED63M100 breaker?
This breaker is compatible with Siemens Sentron panelboards and switchboards designed to accept bolt-on ED-frame circuit breakers.
What are the wire size requirements for the standard lugs?
The factory lugs accommodate 10 AWG to 1/0 AWG conductors and are rated for both copper and aluminum wiring. Ensure proper torque specifications are followed during installation.
Can this breaker be applied on direct current (DC) systems?
Yes, the HHED63M100 is rated for DC applications up to 250VDC, providing an interrupting capacity of 30kAIC for compatible direct current circuits.
Are the trip settings adjustable on this model?
No, this thermal-magnetic breaker features fixed thermal and fixed magnetic trip settings for long-time and instantaneous (LI) protection.
How does the HHED frame differ from standard ED4 or ED6 breakers?
The HHED frame provides an extra-high interrupting capacity of 65kAIC at 480VAC, which is significantly higher than standard ED4, ED6, or HED6 frames. It maintains the same physical footprint for easy integration into existing ED-frame spaces.
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