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Square D HDP36125 Circuit Breaker

  • 125
  • 3 Pole
  • Unit
Square D HDP36125
Circuit Breaker
Brand Square D
SKU HDP36125
Select Item Condition
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  • 125
  • 3 Pole
  • Unit

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Square D HDP36125 3 Pole Circuit Breaker

Square D HDP36125 3 Pole Circuit Breaker

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$1,377.50 In Stock

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Description

Square D HDP36125 3 Pole Circuit Breaker

The Square D HDP36125 is a 3 Pole thermal magnetic molded case circuit breaker with a current rating of 125 Amps and a voltage rating of 600VAC. It has an interrupting rating of 25kAIC at 240VAC. The HDP36125 has a bolt-on connection type and includes long time and instantaneous trip functions.

Specifications

Key specifications
Brand Square D
Series PowerPacT H
Amperage 125 A
Poles 3
Mounting Style Unit
Voltage 600VAC
Phase 3
AIC Rating 25kAIC at 240VAC
Fit and installation
Frame Type HDP
Terminal Type Lugs
For Use With Industrial Control Panels, Switchboards
Wire Gauge AWG 14 to AWG 3/0, Al/Cu
Max Wire 3/0 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, Adjustable Magnetic
Standards and features
Available Options Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Padlock Attachment, Motor Operator, Rotary Handle, Terminal Shields
Accessories None included
Approval CE, CSA, IEC, NOM, UL
Temp Rating -25C to 70C
Construction Features HACR Rated, Current Limiting, Visual Trip Indicator, Mercury Free, PVC Free, 80% Rated, Reverse Feed

Product FAQs

6 answers
What are the interrupting ratings for the HDP36125 circuit breaker at 480V and 600V?

The HDP36125 features a D-class interrupting rating. It provides 25 kAIC at 240V AC, 18 kAIC at 480V AC, and 14 kAIC at 600V AC.

What wire sizes and torque specifications apply to the standard lugs on the HDP36125?

The factory-installed AL150HD mechanical lugs accept 14 AWG to 3/0 AWG aluminum or copper conductors. Torque the terminals to 44.3 lb-in (5 N.m) for 14 to 10 AWG wire, and 124 lb-in (14 N.m) for 8 to 3/0 AWG wire.

How is the Square D HDP36125 mounted in an electrical enclosure?

This is a unit-mount, bolt-on circuit breaker. It is designed to be bolted directly to the backplate or mounting pan of industrial control panels and switchboards, unlike I-Line variants which plug directly onto a busbar.

What is the replacement lug kit catalog number for this breaker?

The standard replacement mechanical lug kit for the HDP36125 is catalog number AL150HD. This kit includes three lugs and can be used on either the line or load side of the breaker.

What type of trip unit is equipped on the HDP36125?

This breaker is equipped with a thermal-magnetic trip unit. It features a fixed thermal element for long-time overload protection and an adjustable magnetic element for instantaneous short-circuit protection.

What accessories are compatible with the HDP36125?

As a PowerPacT H-frame circuit breaker, it accepts standard H-frame internal and external accessories, including shunt trips, auxiliary switches, undervoltage releases, and rotary handle mechanisms.

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