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Square D HJP36020 Molded Case Circuit Breaker

  • 20A
  • 3 Pole
  • Unit Mount
Square D HJP36020
Molded Case Circuit Breaker
Brand Square D
SKU HJP36020
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  • 20A
  • 3 Pole
  • Unit Mount

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Square D HJP36020 - 20A 3 Pole Molded Case Circuit Breaker

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$1,028.25 In Stock

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Description

Providing essential long-time and instantaneous fault defense, the PowerPacT H-Frame series is engineered for high-performance power distribution. The "P" catalog suffix specifies a unique termination setup, featuring load-side lugs and line-side tapped pads. This 20A configuration mounts into Square D NF panelboards, QED switchboards, and Model 6 motor control centers. Built with a fixed thermal-magnetic trip unit, it ensures consistent protection and delivers a 65kAIC rating at 480VAC.

Specifications

Key specifications
Brand Square D
Part Number HJP36020
Series HJP
Amperage 20A
Poles 3
Mounting Style Unit Mount
Voltage 240VAC, 480Y/277VAC, 480VAC, 600Y/347VAC, 600VAC, 250VDC
Phase 3
AIC Rating 100kA @ 240VAC, 65kA @ 480Y/277VAC, 65kA @ 480VAC, 25kA @ 600Y/347VAC, 25kA @ 600VAC, 20kA @ 250VDC
Fit and installation
Frame Type HJP
Terminal Type Stud/Tapped Pad
For Use With Square D NF Panelboards, QED Switchboards, Model 6 Motor Control Centers
Wire Gauge 14-3/0 AWG (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, Fixed Magnetic
Standards and features
Available Options Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Rotary Handle, Motor Operator, Padlock Attachment
Accessories Load Side Lugs Included
Standards CSA C22.2 No. 5, IEC 60947-2, NEMA AB 1, UL 489
Approval CE, CSA, IEC, NOM, UL
Temp Rating -25C to 70C
Construction Features HACR Rated, Current Limiting, Non-Interchangeable Trip

Product FAQs

7 answers
What is the modern replacement for the discontinued FHP36020 breaker?

The Square D PowerPacT HJP36020 is the direct replacement for the legacy F-frame FHP36020. It maintains the 20A, 3-pole configuration while upgrading to the H-frame footprint with higher interrupting capacities.

What does the P suffix indicate in the HJP36020 catalog number?

The P designates the terminal connection style. It specifies a termination setup featuring tapped pads or terminal nuts on the line side and mechanical lugs on the load side.

Which Square D enclosures and distribution equipment accept the HJP36020?

This unit-mount H-frame breaker is engineered for installation in Square D NF panelboards, QED switchboards, and Model 6 Motor Control Centers.

How does the interrupting capacity of the HJP36020 scale across different AC voltages?

The J-tier interrupting rating provides 100kAIC at 240VAC, drops to 65kAIC at 480VAC, and provides 25kAIC at 600VAC.

What wire sizes and materials are supported by the load lugs on this breaker?

The load-side lugs accept both aluminum and copper conductors ranging from 14 AWG up to 3/0 AWG.

Can the trip curve be adjusted on the HJP36020?

No, this breaker uses a traditional thermal-magnetic trip unit with fixed thermal and fixed magnetic settings for long-time and instantaneous (LI) protection.

Is the HJP36020 suitable for DC power systems?

Yes, this breaker is rated for 250VDC applications and provides a 20kAIC interrupting rating for DC circuits.

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