Square D PowerPacT M/P/R Shunt...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$870.47
Square D PowerPacT M/P/R Shunt Trip Circuit Breaker Accessory, 24V AC/DC

Square D PowerPacT M/P/R Shunt Trip Circuit Breaker Accessory, 24V AC/DC

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Model: S33659

In Stock (leaves warehouse same day if ordered before 3pm ET)

$870.47
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Square D PowerPacT M/P/R Shunt Trip Circuit Breaker Accessory, 24V AC/DC

The Square D PowerPacT M/P/R Shunt Trip accessory is a field-installable circuit breaker accessory that trips the breaker from a remote location, giving facility operators a reliable way to de-energize a circuit on command. Rated 24-30V DC, this shunt trip mounts inside the circuit breaker enclosure and is compatible with PowerPacT M and P frame circuit breakers within the PowerPacT M, P, and R product range. It ships with one 2-wire coil and terminal block and complies with UL 50 and CSA listing requirements.

Key Features

  • Remote Trip Function: Trips the circuit breaker from a remote location for fast, controlled de-energization.
  • Rated Voltage: 24-30V DC control circuit compatibility.
  • Field Installable: Mounts inside the circuit breaker enclosure for straightforward retrofit into existing PowerPacT installations.
  • Included Hardware: Includes one 2-wire coil and terminal block for wiring into the control circuit.
  • Range Compatibility: Compatible with PowerPacT M/P circuit breakers, part of the PowerPacT M, P, and R accessory range.
  • Mercury Free: Constructed without mercury for safer handling and disposal.

Certifications & Compliance

  • Complies with UL 50 and CSA listing requirements, and ANSI Certified
  • Complies with UL and CSA standards

Technical Specifications

  • Warranty: 18 months
  • Take Back: No
  • Tier: 1
  • Returnability: Yes
  • Product Contributes To Saved And Avoided Emissions: No
  • Warranty Period: 18 months
  • Mercury Free: Yes
  • Sustainable Packaging: Yes
  • Packaging Without Single Use Plastic: Yes
  • Tier Id: 1
  • ROHS Eur In Scope: No
  • Recycled Metal Content At Cr Level: 0 %
  • Legacy WEEE Scope: Out
  • Packaging Made With Recycled Cardboard: Yes
  • Serviceability: No
  • With Recycled Cardboard: Yes
  • Html Descr: PowerPact Shunt Trip24V ACM-, P-, R-FrameField Installable
  • Without Single Use Plastic: Yes
  • B2B Bullet Point 5: Complies with UL and CSA standards
  • B2B Bullet Point 4: Complies with UL 50 and CSA listing requirements, and ANSI Certified
  • ROHS Eur Status: Compliant
  • Local Publishable Date: 2025-04-10

Typical Applications

  • Commercial and Industrial Electrical Distribution Systems
  • Remote Circuit Breaker Trip Control
  • PowerPacT Panelboard and Switchboard Installations
  • Retrofit and Field Upgrades of Existing Circuit Breakers

Why Square D?

Square D PowerPacT accessories are engineered for reliable integration with PowerPacT M, P, and R circuit breakers, backed by UL 50 and CSA listing compliance and ANSI certification. Mercury-free construction and sustainable packaging support code-compliant, dependable performance for professional electrical installations.

Manufacturer Resources

Product Specs

Product Type:
Shunt Trip & Auxiliary Contact
Series:
PowerPacT M/P/R
Voltage Rating:
24-30V DC
Standards:
UL-CSA
Country Of Origin:
United States
Department:
Electrical
Product Group:
Circuit Protection
Product Subgroup:
Circuit Breakers

Square D S33659 – Frequently Asked Questions

1) What control voltage does the Square D PowerPacT S33659 shunt trip coil need?
The coil is rated 24-30V DC, so your control circuit needs to land in that window. If your remote trip scheme runs on 120V, this is the wrong coil - a 110-130V unit is what you want instead.
2) Can a shunt trip be added to a PowerPacT breaker already installed in a panel, or does the breaker have to be replaced?
It can be added in the field. The PowerPacT M/P/R shunt trip is field installable and mounts inside the circuit breaker enclosure, which is why it's used for retrofits and upgrades of existing PowerPacT panelboard and switchboard installations. No breaker swap needed as long as the frame is an M or P.
3) I need a 120V control circuit shunt trip instead of a 24V one - what should I look at?
The Square D S33659 shunt trip is a 24-30V DC device, so a 120V control scheme needs a different coil. The Eaton PDG2XST130ACDC shunt trip is rated 110-130 Vac/125 Vdc with screw terminals, which matches a line-voltage trip circuit, but it mounts in Eaton Power Defense breakers rather than PowerPacT. If the breaker in the panel is a PowerPacT M or P frame, stay in the Square D PowerPacT accessory range and select the coil voltage that matches your control supply.
4) What is the difference between a shunt trip like the S33659 and an auxiliary switch such as the Eaton AUX1A1BPK?
They do opposite jobs. The Square D S33659 is a shunt trip that trips its PowerPacT M or P frame breaker on command from a remote location, ships with one 2-wire coil and terminal block, and is field installable inside the breaker enclosure. The Eaton AUX1A1BPK is a Series G auxiliary switch for EG- and JG-frame breakers, which reports breaker status to a control or monitoring circuit rather than operating the breaker. If you need remote de-energization, an auxiliary switch will not do it.
5) What comes in the box with the Square D S33659 shunt trip, and what do I still need to supply?
It ships with one 2-wire coil and a terminal block for wiring into the control circuit. You supply the control wiring, the trip initiating device (remote pushbutton, relay contact, fire alarm interface, whatever is driving it), and the 24-30V DC control power source.
6) Is a shunt trip the right accessory if I only need to know whether the breaker is open or closed?
No. A shunt trip de-energizes the circuit on command from a remote location - it acts on the breaker. If you only need status indication back to a control panel or BMS, you want an auxiliary switch instead, such as the Eaton EG-/JG-Frame Series G auxiliary switch for Eaton Series G frames. Pick the accessory by what the signal is doing: shunt trip for outgoing trip commands, auxiliary contact for incoming status.
7) Does the Square D PowerPacT shunt trip meet UL and CSA requirements for a commercial distribution install?
It complies with UL 50 and CSA listing requirements and is ANSI Certified, with UL-CSA listed as its standards reference. That covers the usual submittal line for commercial and industrial distribution work on PowerPacT panelboards and switchboards.
8) Will the Eaton Series G auxiliary switch fit a Square D PowerPacT breaker?
No. The Eaton AUX1A1BPK is built for Eaton EG- and JG-frame Series G breakers. Square D PowerPacT M and P frame breakers take PowerPacT M/P/R range accessories such as the S33659 shunt trip, which mounts inside the PowerPacT breaker enclosure. Breaker accessory pockets are frame specific, so match the accessory to the breaker family you already have in the panelboard or switchboard.
9) Is the Square D S33659 shunt trip mercury free and RoHS compliant for a green-building spec?
Yes on both counts the data covers: construction is mercury free and RoHS status is listed as compliant. Packaging is recycled cardboard with no single-use plastic. It's made in the United States.
10) What is the Square D part number for the 24V PowerPacT shunt trip?
Order by MPN S33659. That is the 24V AC/DC PowerPacT shunt trip for M-, P-, and R-frame breakers, field installable, supplied with a 2-wire coil and terminal block.
How fast can I get the Square D S33659 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Square D S33659 come with a warranty?
Absolutely. The Square D S33659 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Square D S33659?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the Square D S33659 from ZenSupply?
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