CLAMP CIRCUIT LOCK
• Full Shield Clamp Circuit Breaker Lock is suitable for a variety of medium-sized built-i
Product Overview
The Full Shield Clamp Circuit Breaker Lock is a robust Lockout/Tagout (LOTO) device engineered for medium-sized built-in tripping molded case circuit breakers (MCCBs). Constructed from high-grade polypropylene (PP) and high-strength modified nylon (PA), it delivers reliable mechanical lockout for single-pole and multi-pole configurations. Its innovative blade design and shaped-screw fastening system ensure a secure, rattle-free fit that prevents unauthorized or accidental re-energisation.
Key Features
- Designed for a wide variety of medium-sized built-in tripping MCCBs
- Accommodates both single-pole and internal-stroke multi-pole circuit breakers
- Manufactured from strong polypropylene (PP) and high-strength modified nylon (PA)
- New blade design requires less force on profiled screws while maintaining a tight heel bond
- Shaped screws secure the lock onto the switch handle; cover fastens over screws to prevent loosening
- Removable splint (included) expands the range of compatible circuit breaker sizes
- Base clamps securely to the bottom of the lock body for easy, stable installation
- Long sliding splint ensures positive lockout of the circuit breaker in the OFF position
- Accepts padlocks with a shackle diameter of up to 7 mm
- Optional snap-lock and clamp-lock configurations available
Technical Specifications
Applications
- Lockout of medium-sized MCCBs during electrical maintenance and servicing
- Isolation of single-pole circuit breakers in commercial and industrial panels
- Multi-pole circuit breaker lockout for three-phase industrial equipment
- Energy control programs (LOTO) in manufacturing plants and process facilities
- Electrical panel maintenance in oil & gas facilities
- Preventive maintenance shutdowns in petrochemical and refining plants
- Construction-site electrical isolation to protect workers
- Utility and power-distribution maintenance operations
- Compliance with OSHA 29 CFR 1910.147 and similar energy isolation regulations
- Integration into facility-wide Lockout/Tagout safety management systems
Product Benefits
The clamp design accommodates a broad range of medium-sized MCCBs, and the included removable splint further widens the compatibility range, reducing the need to stock multiple lockout devices for different breaker models.
Manufactured from polypropylene (PP) and high-strength modified nylon (PA), the lock body resists impact, chemical exposure, and harsh environmental conditions common in industrial and petrochemical environments across Saudi Arabia.
The profiled screw-and-cover cap system firmly anchors the lock to the circuit breaker handle and prevents the cover from loosening, ensuring the breaker cannot be inadvertently re-energised during maintenance activities.
The redesigned blade mechanism reduces the force required to engage the profiled screws while maintaining a tight heel bond, allowing maintenance technicians to install and remove the lock quickly and with minimal effort.
With a maximum padlock shackle acceptance of 7 mm, the lock is compatible with the majority of standard safety padlocks, enabling seamless integration into existing multi-lock LOTO hasp and padlock systems.
Why Choose Dareen
- Trusted LOTO solution available through Dareen International, Dammam's established industrial safety supplier
- Versatile fit for single-pole and multi-pole MCCBs reduces SKU complexity for safety managers
- High-performance PP and PA materials ensure long service life in demanding Gulf-region conditions
- Removable splint accessory included—no additional purchase needed for extended compatibility
- Simple shaped-screw installation minimises technician training time and installation errors
- Supports regulatory compliance with international and Saudi electrical safety isolation standards






