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Siemens HEB3B100B Molded Case Circuit Breaker

  • 100A
  • 3 Pole
  • Bolt-On
Siemens HEB3B100B
Molded Case Circuit Breaker
Brand Siemens
SKU HEB3B100B
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  • 100A
  • 3 Pole
  • Bolt-On

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Siemens HEB3B100B 3 Pole Circuit Breaker

Siemens HEB3B100B - 100A 3 Pole Molded Case Circuit Breaker

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$1,595.00 In Stock

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Description

Designed for reliable power distribution, the HEB3B100B is a 3-pole, 100A molded case circuit breaker from the Sentron family. It provides fixed thermal and magnetic trip functions to safeguard commercial and industrial electrical systems. This bolt-on unit fits seamlessly into Siemens P1, P2, and P3 panelboards. It serves as a standard component for these panels and is eventually replaced by the HEG3B100B. Boasting a 65kAIC rating at 480VAC, it includes load side lugs and is fully HACR rated.

Specifications

Key specifications
Brand Siemens
Part Number HEB3B100B
Series HEB
Amperage 100A
Poles 3
Mounting Style Bolt-On
Voltage 240VAC, 480VAC, 600Y/347VAC, 125/250VDC
Phase 3
AIC Rating 100kA @ 240VAC, 65kA @ 480VAC, 25kA @ 600Y/347VAC, 42kA @ 125/250VDC
Fit and installation
Terminal Type Lugs
For Use With Siemens P1, P2, P3 Panelboards
Wire Gauge 14-1/0 AWG (Cu), 12-1/0 AWG (Al)
Max Wire 1/0 AWG
Min Wire 14 AWG
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, Padlock Attachment
Accessories Load Side Lugs (TA1EG10)
Standards CSA C22.2 No. 5, HACR, IEC 60947-2, UL 489
Approval CE, CSA, IEC, NOM, UL
Temp Rating 40C
Construction Features HACR Rated, High Interrupting Capacity

Product FAQs

8 answers
Can I install the HEB3B100B in a standard Siemens load center?

No. This breaker requires a bolt-on connection and is specifically designed for Siemens P1, P2, and P3 commercial panelboards. It will not fit in standard plug-on residential load centers.

What is the standard interrupting alternative to the HEB3B100B?

The NEB3B100B is the standard interrupting counterpart for this breaker. It shares the same physical footprint but has a lower short-circuit rating for systems that do not require high breaking capacity.

How does the HEB3B100B connect to the panelboard and the load circuit?

The line side features a direct bolt-on connection for mounting to the panelboard bus. The load side is equipped with factory-installed TA1EG10 mechanical lugs for terminating the conductors.

Does the HEB3B100B support field-installable internal accessories?

Yes. As part of the Siemens EG frame family, this breaker accepts UL-listed, field-installable internal accessories such as shunt trips, auxiliary switches, and undervoltage releases in its designated accessory pockets.

Are the thermal and magnetic trip settings adjustable on this unit?

No. This breaker uses a non-interchangeable thermal-magnetic trip unit with fixed long-time and instantaneous settings, meaning the trip thresholds cannot be modified in the field.

Is the HEB3B100B rated for use with HVAC equipment?

Yes. This circuit breaker carries a HACR rating, making it suitable and safety-approved for protecting heating, air conditioning, and refrigeration equipment in commercial and industrial settings.

Is the HEB3B100B suitable for reverse feed applications?

Yes. This circuit breaker supports reverse feeding, meaning power can be safely applied to the load side when required by the specific system design.

Does the HEB3B100B feature a trip-free mechanism?

Yes. It is equipped with a trip-free mechanism, ensuring the breaker will trip during an overcurrent or short-circuit event even if the handle is physically held in the ON position.

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Reviews

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Rated 4.0 out of 5 stars
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Rating
Ratings
1 review
  • J
    John
    Reviewing
    Siemens HEB3B015B - 15A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 4 out of 5 stars
    9/19/23
    4 Stars

    Great service