Part of the robust PowerPacT family, the Square D JDA36175 is a 175A molded case circuit breaker built for industrial applications. It utilizes proven thermal-magnetic technology to safeguard electrical circuits. Designed for quick integration, this breaker mounts into Square D I-Line panelboards and switchboards, serving as a direct replacement for discontinued KA36175 models. The device features an 18kAIC capacity at 480VAC and includes adjustable magnetic trip dials for LI protection.
What type of panelboards accept the JDA36175 circuit breaker?
This PowerPacT J-Frame breaker mounts directly into Square D I-Line panelboards and switchboards. It uses an I-Line style plug-in bracket on the line side and mechanical lugs on the load side.
How much mounting space does this J-Frame I-Line breaker require?
The JDA36175 requires 4.5 inches of mounting space in an I-Line panelboard, which equates to 1.5 inches per pole for this 3-pole breaker.
Are the load lugs included, and what wire sizes do they accommodate?
Yes, mechanical lugs are included on the load side. They are designed to accept 4 AWG to 4/0 AWG aluminum or copper conductors.
Can the trip unit settings on the JDA36175 be adjusted?
This thermal-magnetic breaker features a fixed thermal element for long-time overload protection and an adjustable magnetic element for instantaneous short-circuit protection. The magnetic trip dial can be adjusted from 875A to 1750A.
Can the JDA36175 replace older Square D circuit breakers?
Yes, this PowerPacT J-Frame breaker serves as a direct drop-in replacement for the discontinued Square D KA36175 K-Frame circuit breaker in I-Line panelboards.
What does the letter D in the JDA36175 catalog number signify?
In the Square D PowerPacT nomenclature, the D designates the specific interrupting capacity tier. For this breaker, it indicates a maximum rating of 25kA at 240VAC, 18kA at 480VAC, and 14kA at 600VAC.
Is this circuit breaker rated for DC applications?
Yes, the JDA36175 is rated for up to 250VDC with a 20kA interrupting rating, allowing it to be used in compatible commercial and industrial direct current circuits.
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Customers rate this product 5.0 out of 5 based on 2 reviews.