THL103 - Lock Off Device Description
THL103 - Lock Off Device
Sometimes it’s the smallest components that make the biggest difference. The THL103 circuit breaker handle locking device is designed to do one thing well—keep your breaker handle exactly where it should be. Whether you’re shutting down a circuit for maintenance or putting proper lockout/tagout procedures in place, this device helps eliminate the risk of someone flipping a breaker when they shouldn’t. It’s straightforward, easy to work with, and doesn’t get in your way. With its compact size—right around an inch in each direction—it fits neatly into your panel without crowding other components. Once installed, it gives you that extra level of confidence that your system will stay in a safe, controlled state. For electricians, facility managers, and maintenance teams, that peace of mind goes a long way.
Key Features and Benefits
- Keeps Breakers in Position: Helps prevent accidental or unauthorized switching
- Supports Safer Maintenance: A practical addition for lockout/tagout procedures
- Compact Footprint: Fits panels easily without interfering with nearby equipment
- Designed for Compatibility: Made to work with specific low-voltage circuit breakers
- Lightweight and Practical: Simple to install and handle on the job
Technical Specifications
- Catalog Number: THL103
- Product Type: Circuit Breaker Handle Locking Device
- Product ID: 1TQP001000Z0486
- Dimensions (H x W x D): 1.00 in x 1.00 in x 1.00 in (26 mm x 26 mm x 26 mm)
- Net Weight: 0.011 lb
- Accessory Type: Circuit breaker accessory (handle locking device)
- Package Quantity: 10 units per case
Material Compliance and Certifications
- WEEE Status: Product not in WEEE scope
- Conflict Minerals Reporting: CMRT documentation available
- Standards Classification: ETIM 9 / 10: EC002498 – Accessories for low-voltage switch technology
- UNSPSC: 39121321
- Clear, accurate product details like these help customers make informed decisions and align with high-quality content expectations for search visibility.
Where It Works Best
- Commercial buildings and office panels
- Industrial facilities with active safety programs
- Manufacturing environments during equipment servicing
- Data centers managing critical power systems
- Any setting where lockout/tagout procedures are required
Use of Original Equipment Manufacturer (OEM) trademarks, names, and logos is for informational and identification purposes only. This does not imply any affiliation, sponsorship, endorsement, or approval by the original equipment manufacturer. CIRCUIT BREAKER SUPERSTORE® is an independent reseller and is not an authorized distributor, affiliate, or representative of any manufacturer. Manufacturer warranties do not apply unless expressly stated. All trademarks and registered trademarks are the property of their respective owners.
GE®, and ABB® are registered trademarks of General Electric Company and ABB Ltd., respectively. Products sold are surplus, used, or refurbished and are NOT supplied by General Electric Company or ABB Ltd., or their affiliates.
Specifications
- Depth:0.5
- Height:0.5
- Width:0.5
Returns are easy
You may return unused items within 30 days of delivery for a full refund.
FREE shipping on breaker orders over $100 and all other items with orders over $500.
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CIRCUIT BREAKER SUPERSTORE® provides a limited 1-year warranty on both new and reconditioned products. Rest assured, all products are authentic OEM (original equipment manufacturer).