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Siemens HHED63B025 Molded Case Circuit Breaker

  • 25A
  • 3 Pole
  • Bolt-On
Siemens HHED63B025
Molded Case Circuit Breaker
Brand Siemens
SKU HHED63B025
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  • 25A
  • 3 Pole
  • Bolt-On

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Siemens HHED63B025 - 25A 3 Pole Molded Case Circuit Breaker

Siemens HHED63B025 - 25A 3 Pole Molded Case Circuit Breaker

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$1,421.00 In Stock

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Description

Part of the Sentron ED-frame family, this 25A commercial molded case circuit breaker provides extra-high interrupting capacity for demanding environments. It is designed to integrate seamlessly into Siemens P1, P2, and P3 panelboards, as well as compatible switchboards. Featuring a fixed thermal-magnetic trip mechanism, the HHED63B025 delivers reliable 65kAIC protection at 480VAC. While this legacy frame is being transitioned to the 3VA51 series, it remains essential for existing setups.

Specifications

Key specifications
Brand Siemens
Part Number HHED63B025
Series HHED6
Amperage 25A
Poles 3
Mounting Style Bolt-On
Voltage 240VAC, 480VAC, 600VAC, 250VDC
Phase 3
AIC Rating 100kA @ 240VAC, 65kA @ 480VAC, 18kA @ 600VAC, 30kA @ 250VDC
Fit and installation
Frame Type HHED
Terminal Type Lugs
For Use With Siemens P1, P2, P3 Panelboards, Switchboards
Wire Gauge 14-10 AWG (Cu), 12-10 AWG (Al)
Max Wire 10 AWG
Min Wire 14 AWG (Cu), 12 AWG (Al)
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, Alarm Switch, Undervoltage Release, Padlock Attachment, Handle Tie
Accessories Load Side Lugs
Standards CSA C22.2 No. 5, IEC 60947-2, NEMA AB-1, UL 489
Approval CSA, HACR, IEC, UL
Temp Rating 40C
Construction Features HACR Rated, Current Limiting, Reverse Feed, Non-Interchangeable Trip, Trip-Free Mechanism, Quick-Make/Quick-Break

Product FAQs

7 answers
Which panelboards accept the Siemens HHED63B025?

This ED frame breaker is designed for bolt-on installation in Siemens P1, P2, and P3 panelboards, as well as compatible Siemens switchboards. It secures directly to the panel bus for a rigid connection.

What wire sizes are supported by the terminals on this breaker?

The standard lugs accept 14 to 10 AWG copper conductors or 12 to 10 AWG aluminum conductors. Always apply the manufacturer recommended torque during installation to ensure a secure and safe connection.

How does the HHED frame differ from standard ED frame breakers?

The HHED prefix indicates a high-interrupting tier within the Siemens Sentron ED frame family. It delivers a 65kAIC rating at 480VAC, offering significantly higher fault current protection compared to standard ED4 or ED6 models.

Is this circuit breaker rated for direct current (DC) systems?

Yes, the HHED63B025 is rated for use in DC applications up to 250VDC, where it provides a 30kA interrupting capacity.

Can the trip settings on the HHED63B025 be adjusted in the field?

No, this model features a fixed thermal and fixed magnetic trip unit. The long-time overload and instantaneous short-circuit protection levels are factory set and cannot be modified.

Can the HHED63B025 replace older Siemens ED-frame breakers?

Yes, it shares the exact same physical dimensions as other ED frame breakers. It can be used to upgrade or replace ED4, ED6, or HED4 breakers of the same pole count and amperage, providing an equal or superior interrupting rating.

How does the thermal-magnetic trip mechanism protect the circuit?

The thermal element responds to prolonged overcurrent conditions by heating a bimetallic strip to trip the breaker, while the magnetic element responds immediately to high-level short circuits to minimize potential damage.

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