Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
SCHNEIDER Shunt Trip Release: Shunt Trip Release, Multi-9 Circuit Breakers - Square D Circuit Breaker Shunt Trips
SCHNEIDERSquare D Circuit Breaker Shunt Trips

SCHNEIDER Shunt Trip Release: Shunt Trip Release, Multi-9 Circuit Breakers

The SCHNEIDER Shunt Trip Release (MPN M9A26478) is a Square D circuit breaker shunt trip accessory designed for use with Multi-9 circuit breakers. It operates with a 12/24V AC voltage rating, enabling remote tripping…

SKU 3G-OTH-21561

Brand
SCHNEIDER
Item
Shunt Trip Release: Shunt Trip Release, Multi-9 Circuit Breakers
Category
Square D Circuit Breaker Shunt Trips
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

SCHNEIDER
Manufacturer Part Number
M9A26478
Type
Multi-9 Circuit Breakers
AC
12/24V
For Use With
Multi-9 Circuit Breakers
Accessory Type
Shunt Trip Release
AC Voltage Rating
12/24V AC
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

SCHNEIDER Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SCHNEIDER Shunt Trip Release (MPN M9A26478) is a Square D circuit breaker shunt trip accessory designed for use with Multi-9 circuit breakers. It operates with a 12/24V AC voltage rating, enabling remote tripping of the breaker when a control signal is applied.

Frequently Asked Questions

What is the SCHNEIDER Shunt Trip Release M9A26478 used for?

The SCHNEIDER Shunt Trip Release M9A26478 is a Square D accessory for Multi-9 circuit breakers. It enables remote tripping of the breaker when a 12/24V AC control signal is applied, providing overcurrent protection and emergency disconnect in industrial electrical panels.

What are the specifications of the SCHNEIDER Shunt Trip Release M9A26478?

The SCHNEIDER Shunt Trip Release M9A26478 is rated for 12/24V AC and is designed for use with Multi-9 circuit breakers. It is a shunt trip release accessory from Square D by Schneider, allowing remote breaker tripping via a control signal.

Where to buy the SCHNEIDER Shunt Trip Release M9A26478 worldwide?

3G Electric supplies the SCHNEIDER Shunt Trip Release M9A26478 worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this Square D shunt trip accessory to your facility, ensuring compliance with local electrical codes.

How to install the SCHNEIDER Shunt Trip Release M9A26478?

Install the SCHNEIDER Shunt Trip Release M9A26478 by mounting it onto the Multi-9 circuit breaker per the manufacturer's instructions. Connect the 12/24V AC control signal to the trip terminals. Always de-energize the panel before installation and follow local electrical safety standards.

Used in

Common applications for SCHNEIDER
Motor starting in conveyor systems — Schneider Altistart ATS 22 soft starters (e.g., ATS22D17S6U) reduce inrush current.
Speed control for industrial pumps — Schneider Altivar ATV320 VFDs (e.g., ATV320U55N4W) provide variable flow regulation.
Machine safety interlocking — Schneider XPSUAF13AP safety relays monitor emergency stop circuits on assembly lines.
Panel-mounted control stations — Schneider XB5 flush push buttons (ZB5AA5) serve as start/stop operators in MCCs.
Heavy-duty motor switching — Schneider LC1G150LSEA contactors handle 150 A loads in compressor and crusher applications.
Emergency stop actuation — Schneider 9001K mushroom-head push buttons (9001KR25R) provide red, momentary stop functions.

SCHNEIDER Products

3G Electric supplies SCHNEIDER square d circuit breaker shunt trips. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Similar products

Matched by specification & description
SCHNEIDER Undervoltage Release: Undervoltage Release, Multi 9 Circuit Breakers, 24V AC/DC (MPN M9A27108). Key specifications — For Use With: Multi 9 Circuit Breakers; Voltage: 24V AC/DC; Number of Poles: None; Brand: SCHNEIDER; Accessory Type: Undervoltage Release.
SCHNEIDER
SCHNEIDER Undervoltage Release: Undervoltage Release, Multi 9 Circuit Breakers, 24V AC/DC (MPN M9A27108). Key specifications — For Use With: Multi 9 Circuit Breakers; Voltage: 24V AC/DC; Number of Poles: None; Brand: SCHNEIDER; Accessory Type: Undervoltage Release.
SCHNEIDER Undervoltage Release: Undervoltage Release, Multi 9 Circuit Breakers, 120V AC/24V DC (MPN M9A27107). Key specifications — For Use With: Multi 9 Circuit Breakers; Voltage: 120V AC/24V DC; Number of Poles: None; Brand: SCHNEIDER; Accessory Type: Undervoltage Release.
SCHNEIDER
SCHNEIDER Undervoltage Release: Undervoltage Release, Multi 9 Circuit Breakers, 120V AC/24V DC (MPN M9A27107). Key specifications — For Use With: Multi 9 Circuit Breakers; Voltage: 120V AC/24V DC; Number of Poles: None; Brand: SCHNEIDER; Accessory Type: Undervoltage Release.
SCHNEIDER Undervoltage Release: Undervoltage Release, Multi 9 Circuit Breakers, 400V AC (MPN M9A26971). Key specifications — For Use With: Multi 9 Circuit Breakers; Voltage: 400V AC; Number of Poles: None; Brand: SCHNEIDER; Accessory Type: Undervoltage Release.
SCHNEIDER
SCHNEIDER Undervoltage Release: Undervoltage Release, Multi 9 Circuit Breakers, 400V AC (MPN M9A26971). Key specifications — For Use With: Multi 9 Circuit Breakers; Voltage: 400V AC; Number of Poles: None; Brand: SCHNEIDER; Accessory Type: Undervoltage Release.
SCHNEIDER Undervoltage Release: Undervoltage Release, Multi 9 Circuit Breakers, 48V AC/DC (MPN M9A26961). Key specifications — For Use With: Multi 9 Circuit Breakers; Voltage: 48V AC/DC; Number of Poles: None; Brand: SCHNEIDER; Accessory Type: Undervoltage Release.
SCHNEIDER
SCHNEIDER Undervoltage Release: Undervoltage Release, Multi 9 Circuit Breakers, 48V AC/DC (MPN M9A26961). Key specifications — For Use With: Multi 9 Circuit Breakers; Voltage: 48V AC/DC; Number of Poles: None; Brand: SCHNEIDER; Accessory Type: Undervoltage Release.
SCHNEIDER Undervoltage Release: Undervoltage Release, Multi 9 Circuit Breakers, 115V AC/48V DC (MPN M9A26959). Key specifications — For Use With: Multi 9 Circuit Breakers; Voltage: 115V AC/48V DC; Number of Poles: None; Brand: SCHNEIDER; Accessory Type: Undervoltage Release.
SCHNEIDER
SCHNEIDER Undervoltage Release: Undervoltage Release, Multi 9 Circuit Breakers, 115V AC/48V DC (MPN M9A26959). Key specifications — For Use With: Multi 9 Circuit Breakers; Voltage: 115V AC/48V DC; Number of Poles: None; Brand: SCHNEIDER; Accessory Type: Undervoltage Release.
SCHNEIDER Undervoltage Release: Undervoltage Release, Multi 9 Circuit Breakers, 220 to 240V AC (MPN M9A26963). Key specifications — For Use With: Multi 9 Circuit Breakers; Voltage: 220 to 240V AC; Number of Poles: None; Brand: SCHNEIDER; Accessory Type: Undervoltage Release.
SCHNEIDER
SCHNEIDER Undervoltage Release: Undervoltage Release, Multi 9 Circuit Breakers, 220 to 240V AC (MPN M9A26963). Key specifications — For Use With: Multi 9 Circuit Breakers; Voltage: 220 to 240V AC; Number of Poles: None; Brand: SCHNEIDER; Accessory Type: Undervoltage Release.

More from SCHNEIDER

View all SCHNEIDER parts →
SCHNEIDER Shunt Trip Release: Shunt Trip Release, Multi-9 Circuit Breakers, 6 A Amps, OC Contact (MPN M9A26946). Key specifications — For Use With: Multi-9 Circuit Breakers; Includes: OC Contact; AC Voltage Rating: 110/415V AC; Brand: SCHNEIDER; Accessory Type: Shunt Trip Release.
SCHNEIDER
SCHNEIDER Shunt Trip Release: Shunt Trip Release, Multi-9 Circuit Breakers, 6 A Amps, OC Contact (MPN M9A26946). Key specifications — For Use With: Multi-9 Circuit Breakers; Includes: OC Contact; AC Voltage Rating: 110/415V AC; Brand: SCHNEIDER; Accessory Type: Shunt Trip Release.
SCHNEIDER Shunt Trip Release: Shunt Trip Release, Multi-9 Circuit Breakers, 6 A Amps, OC Contact (MPN M9A26948). Key specifications — For Use With: Multi-9 Circuit Breakers; Includes: OC Contact; AC Voltage Rating: 12/24V AC; Brand: SCHNEIDER; Accessory Type: Shunt Trip Release.
SCHNEIDER
SCHNEIDER Shunt Trip Release: Shunt Trip Release, Multi-9 Circuit Breakers, 6 A Amps, OC Contact (MPN M9A26948). Key specifications — For Use With: Multi-9 Circuit Breakers; Includes: OC Contact; AC Voltage Rating: 12/24V AC; Brand: SCHNEIDER; Accessory Type: Shunt Trip Release.
SCHNEIDER Shunt Trip Release: Shunt Trip Release, Multi-9 Circuit Breakers, 110/415V AC (MPN M9A26476). Key specifications — For Use With: Multi-9 Circuit Breakers; AC Voltage Rating: 110/415V AC; Brand: SCHNEIDER; Accessory Type: Shunt Trip Release.
SCHNEIDER
SCHNEIDER Shunt Trip Release: Shunt Trip Release, Multi-9 Circuit Breakers, 110/415V AC (MPN M9A26476). Key specifications — For Use With: Multi-9 Circuit Breakers; AC Voltage Rating: 110/415V AC; Brand: SCHNEIDER; Accessory Type: Shunt Trip Release.
SCHNEIDER Shunt Trip Release: Shunt Trip Release, Multi-9 Circuit Breakers, 6 A Amps, OC Contact (MPN M9A26947). Key specifications — For Use With: Multi-9 Circuit Breakers; Includes: OC Contact; AC Voltage Rating: 48V AC; Brand: SCHNEIDER; Accessory Type: Shunt Trip Release.
SCHNEIDER
SCHNEIDER Shunt Trip Release: Shunt Trip Release, Multi-9 Circuit Breakers, 6 A Amps, OC Contact (MPN M9A26947). Key specifications — For Use With: Multi-9 Circuit Breakers; Includes: OC Contact; AC Voltage Rating: 48V AC; Brand: SCHNEIDER; Accessory Type: Shunt Trip Release.
SCHNEIDER Shunt Trip Release: Shunt Trip Release, Multi-9 Circuit Breakers, 48V AC (MPN M9A26477). Key specifications — For Use With: Multi-9 Circuit Breakers; AC Voltage Rating: 48V AC; Brand: SCHNEIDER; Accessory Type: Shunt Trip Release.
SCHNEIDER
SCHNEIDER Shunt Trip Release: Shunt Trip Release, Multi-9 Circuit Breakers, 48V AC (MPN M9A26477). Key specifications — For Use With: Multi-9 Circuit Breakers; AC Voltage Rating: 48V AC; Brand: SCHNEIDER; Accessory Type: Shunt Trip Release.