Masterlock Grip Tight Plus Circuit Breaker Lockout Device Molded Case Circuit Breakers (480/600 V) - S3822
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Masterlock Grip Tight Plus Circuit Breaker Lockout Device Molded Case Circuit Breakers (480/600 V) - S3822
The Masterlock Grip Tight(TM) Plus Circuit Breaker Lockout Device (S3822) is designed for industrial safety professionals needing reliable lockout/tagout solutions for molded case circuit breakers rated 480/600 V. This device ensures secure isolation of circuit breakers to prevent accidental energization during maintenance, enhancing workplace safety and compliance.
Key features
- Fits molded case circuit breakers operating at 480/600 volts
- Lightweight, one-piece design for easy, tool-free installation
- Stainless steel thumbscrew with knurled grip and screwdriver slot for secure tightening
- Fixed cleat provides physical blocking to prevent switch movement to "on" position
- Compatible with a wide variety of circuit breaker handle shapes and sizes
Ideal applications
- Electrical maintenance and lockout/tagout procedures
- Industrial manufacturing plants and facilities
- Construction sites requiring circuit breaker isolation
- Commercial buildings with molded case circuit breakers
Why buyers choose this product
This lockout device offers dependable security with its fixed cleat and stainless steel thumbscrew, ensuring the breaker handle remains locked in the off position. Its tool-free, lightweight design simplifies installation and removal, making it a practical choice for safety compliance and efficient jobsite performance.
Specifications
| Brand | Master Lock |
| Product number | S3822 |
| Product type | Grip Tight Plus Circuit Breaker Lockout Device |
| Compatible breaker type | Molded Case Circuit Breakers |
| Voltage rating | 480/600 V |
| Color | Red |
| Installation | Tool-free |
| Thumbscrew material | Stainless steel |
Additional product details
The device's one-piece construction and fixed cleat design provide consistent, secure locking across various circuit breaker handle shapes and sizes. Its durable materials and ergonomic thumbscrew ensure reliable performance in demanding industrial environments.
Designed specifically for molded case circuit breakers, the Masterlock S3822 lockout device delivers effective and efficient electrical isolation for enhanced safety on the job.
MFG Part #: S3822
| Product Type | Lockout Tagout |
|---|
Shipping
We Ship Internationally - We can ship to virtually any address in the world, with some restrictions on certain products.
Standard Delivery: Ground shipping typically delivers in approximately 5 business days from our Columbus, OH warehouse.
Expedited Options Available:
- Priority and Expedited handling speeds up processing
- Overnight shipping available (guaranteed) - must order by phone before 12pm EST M-F
- Some items ship "Manufacturer Direct" and cannot be expedited
Important: Inspect your delivery before signing! Note any damage on the shipping document.
Returns Policy
30-Day Return Window: Most new, unopened items can be returned within 30 days for a full refund.
Non-Returnable Items:
- Made-to-order fall protection products
- Used vacuums, respirators, gas monitors, or air scrubbers
- Calibration gas (hazardous material)
- PAPR and specialty respiratory items (non-stock)
Restocking Fee: 30% restocking fee or shipping costs apply if return is due to buyer error.
Refund Timeline: Expect refunds within 4 weeks, though many are processed faster.

