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MASTER LOCK Circuit Breaker Lockout Combo Pack: Clamp-On - Clamp-On Circuit Breaker Lockouts
MASTER LOCKClamp-On Circuit Breaker Lockouts

MASTER LOCK Circuit Breaker Lockout Combo Pack: Clamp-On

The MASTER LOCK Circuit Breaker Lockout Combo Pack (MPN 506) is a clamp-on lockout device rated for 120/277V AC voltage. It is designed for use with 491b breaker toggles that fit wide or tall configurations, and does…

SKU 3G-OTH-556461

Brand
MASTER LOCK
Item
Circuit Breaker Lockout Combo Pack: Clamp-On
Category
Clamp-On Circuit Breaker Lockouts
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Technical Specifications

MASTER LOCK
Manufacturer Part Number
506
Type
For 120/277V AC Volt
For Voltage
120/277V AC
For Use With
491b Fits Wide or Tall Breaker Toggles
Includes Cable Tie Slot Final
No
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MASTER LOCK Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The MASTER LOCK Circuit Breaker Lockout Combo Pack (MPN 506) is a clamp-on lockout device rated for 120/277V AC voltage. It is designed for use with 491b breaker toggles that fit wide or tall configurations, and does not include a cable tie slot.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the MASTER LOCK Circuit Breaker Lockout Combo Pack used for?

The MASTER LOCK Circuit Breaker Lockout Combo Pack (MPN 506) is used to lock out circuit breakers during maintenance, preventing accidental re-energization. It clamps onto 491b breaker toggles that fit wide or tall configurations, rated for 120/277V AC, ensuring worker safety in industrial lockout/tagout procedures.

What are the specifications of the MASTER LOCK 506 lockout?

The MASTER LOCK 506 is a clamp-on circuit breaker lockout rated for 120/277V AC. It is designed for use with 491b breaker toggles that fit wide or tall configurations. It does not include a cable tie slot. The manufacturer part number is 506.

Where to buy MASTER LOCK circuit breaker lockouts worldwide?

3G Electric supplies the MASTER LOCK Circuit Breaker Lockout Combo Pack (MPN 506) worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this lockout device to your facility. Contact us for availability and lead time.

How to install a MASTER LOCK clamp-on breaker lockout?

To install the MASTER LOCK 506 clamp-on lockout, position the device over the 491b breaker toggle, ensuring it fits wide or tall configurations. Close the clamp securely around the toggle, then insert a padlock through the lockout hasp to prevent operation. 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 clamp-on 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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