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MASTER LOCK Style Miniature Breaker Lockout: Pin-Out - Pin-Out Circuit Breaker Lockouts
MASTER LOCKPin-Out Circuit Breaker Lockouts

MASTER LOCK Style Miniature Breaker Lockout: Pin-Out

The MASTER LOCK DIN Style Miniature Breaker Lockout (MPN S2390) is a pin-out circuit breaker lockout designed for 120/277V AC voltage. It is compatible with all Master Lock and American Lock safety padlocks and…

SKU 3G-OTH-554925

Brand
MASTER LOCK
Item
Style Miniature Breaker Lockout: Pin-Out
Category
Pin-Out Circuit Breaker Lockouts
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Technical Specifications

MASTER LOCK
Manufacturer Part Number
S2390
Type
For 120/277V AC Volt
For Voltage
120/277V AC
For Use With
All Master Lock and American Lock Safety Padlocks and Lockout Hasps
Includes Cable Tie Slot Final
No
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MASTER LOCK Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The MASTER LOCK DIN Style Miniature Breaker Lockout (MPN S2390) is a pin-out circuit breaker lockout designed for 120/277V AC voltage. It is compatible with all Master Lock and American Lock safety padlocks and lockout hasps, and does not include a cable tie slot.

Frequently Asked Questions

What is the MASTER LOCK S2390 DIN Style Miniature Breaker Lockout used for?

The MASTER LOCK S2390 is a pin-out circuit breaker lockout used to isolate and lock out miniature DIN-rail breakers during maintenance. It secures the breaker in the OFF position, preventing accidental re-energization. Compatible with all Master Lock and American Lock safety padlocks and lockout hasps, it supports 120/277V AC systems.

What are the specifications of the MASTER LOCK S2390 breaker lockout?

The MASTER LOCK S2390 is rated for 120/277V AC voltage. It is a pin-out type DIN-style miniature breaker lockout. It works with all Master Lock and American Lock safety padlocks and lockout hasps. The device does not include a cable tie slot. The manufacturer part number is S2390.

Where to buy the MASTER LOCK S2390 breaker lockout worldwide?

3G Electric supplies the MASTER LOCK S2390 breaker lockout to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this pin-out lockout for 120/277V AC systems.

How to install the MASTER LOCK S2390 on a DIN rail breaker?

To install the MASTER LOCK S2390, first turn off the breaker and verify zero voltage. Slide the lockout device over the breaker toggle until it snaps into place. Insert the shackle of a Master Lock or American Lock padlock through the lockout hole to secure it. Always follow your facility's lockout/tagout procedures.

Used in

Common applications for MASTER LOCK
Locker security in industrial facilities — Master Lock built-in deadbolt lock (MPN 1710) for employee lockers
Equipment access control on job sites — Master Lock Bluetooth padlock (MPN 4400ECWWG) for tool cribs and gates
Key management for fleet vehicles — Master Lock lockbox (MPN 5440ECWWG) securing vehicle keys at depots
Padlock for outdoor storage units — Master Lock long shackle combination padlock (MPN 175LH) for hasps on sheds
Keyless entry for maintenance panels — Master Lock scrolling combination padlock (MPN 975DCOM) on electrical enclosures
High-security locking for warehouse cages — Master Lock stainless steel combination padlock (MPN 1500LF) for corrosion resistance

MASTER 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.

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MASTER LOCK DIN Style Miniature Breaker Lockout: Pin-Out, For 120/277V AC Volt, S2391. Key specifications — For Voltage: 120/277V AC; For Use With: 7/16 in Breaker with Toggle Opening; Brand: MASTER LOCK; Includes Cable Tie Slot_Final: No.
MASTER LOCK
MASTER LOCK DIN Style Miniature Breaker Lockout: Pin-Out, For 120/277V AC Volt, S2391. Key specifications — For Voltage: 120/277V AC; For Use With: 7/16 in Breaker with Toggle Opening; Brand: MASTER LOCK; Includes Cable Tie Slot_Final: No.