SQUARE D Mechanical Interlock: Mechanical Interlock (MPN S29369)
The SQUARE D Mechanical Interlock (MPN S29369) is a circuit breaker accessory designed for use with Square D PowerPact H and J Frame Circuit Breakers. This mechanical interlock accessory provides a physical locking…
SKU 3G-OTH-20894
Also listed as: S 29369 · S-29369
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
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Product Description
The SQUARE D Mechanical Interlock (MPN S29369) is a circuit breaker accessory designed for use with Square D PowerPact H and J Frame Circuit Breakers. This mechanical interlock accessory provides a physical locking mechanism between two circuit breakers to prevent simultaneous operation.
Frequently Asked Questions
What is the SQUARE D S29369 mechanical interlock used for?
The SQUARE D S29369 mechanical interlock is a circuit breaker accessory that physically locks two Square D PowerPact H or J Frame circuit breakers to prevent simultaneous operation. It is commonly used in industrial power distribution systems where interlocking ensures safe load transfer or backup power switching.
What are the specifications of the SQUARE D S29369 mechanical interlock?
The SQUARE D S29369 is a mechanical interlock accessory designed for use with Square D PowerPact H and J Frame circuit breakers. It provides a physical locking mechanism between two breakers. The brand is SQUARE D, and the accessory type is mechanical interlock. No additional electrical ratings are specified.
Where to buy the SQUARE D S29369 mechanical interlock worldwide?
3G Electric supplies the SQUARE D S29369 mechanical interlock worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time. We source and deliver this accessory for Square D PowerPact H and J Frame breakers.
How to install the SQUARE D S29369 mechanical interlock?
Install the SQUARE D S29369 mechanical interlock by mounting it between two Square D PowerPact H or J Frame circuit breakers according to the manufacturer's instructions. Ensure the breakers are in the OFF position and de-energized. The interlock physically prevents both breakers from being ON simultaneously. Always follow standard electrical safety practices.
Used in
Common applications for SQUARE DSQUARE D Products
3G Electric supplies SQUARE D square d circuit breaker locks, padlocks & interlocks. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
