MASTER LOCK S2391 Pin-Out Circuit Breaker Lockout
The MASTER LOCK S2391 Pin-Out Circuit Breaker Lockout is a DIN-style device for 120/277V AC applications, designed for use with a 7/16 in breaker featuring a toggle opening. It does not include a cable tie slot.
SKU 3G-OTH-554926
Also listed as: S 2391 · S-2391
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.
Need installation or engineering help?
Ask a question
Product Description
The MASTER LOCK S2391 Pin-Out Circuit Breaker Lockout is a DIN-style device for 120/277V AC applications, designed for use with a 7/16 in breaker featuring a toggle opening. It does not include a cable tie slot.
Frequently Asked Questions
What is the MASTER LOCK S2391 Pin-Out Circuit Breaker Lockout used for?
The MASTER LOCK S2391 is a DIN-style lockout device used to isolate 120/277V AC circuit breakers with a 7/16 in toggle opening during maintenance. It helps comply with lockout/tagout safety procedures in industrial electrical panels, preventing accidental re-energization.
What are the specifications of the MASTER LOCK S2391?
The MASTER LOCK S2391 is rated for 120/277V AC and fits breakers with a 7/16 in toggle opening. It is a pin-out type DIN-style lockout with no cable tie slot. The manufacturer part number is S2391.
Where to buy the MASTER LOCK S2391 worldwide?
3G Electric supplies the MASTER LOCK S2391 Pin-Out Circuit Breaker Lockout to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this safety lockout device.
How to install the MASTER LOCK S2391 on a breaker?
To install the MASTER LOCK S2391, align the lockout over the breaker toggle opening (7/16 in) and push the pin through the toggle hole. Secure with a padlock to prevent operation. Always follow your facility's lockout/tagout procedures and verify isolation before work.
Used in
Common applications for MASTER LOCKMASTER LOCK Products
3G Electric supplies MASTER LOCK pin-out circuit breaker lockouts. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.