The Oversized Clamp-On Breaker Lockout 480/600 Volt is engineered for larger or wide-toggle circuit breakers in industrial settings. With its wide-frame clamp design and thumbscrew installation mechanism, it securely locks breakers rated at 480–600 V in the OFF position. Built to handle broad switch sizes, this device offers reliable isolation during maintenance to enhance safety and compliance. Key Features: Wide-frame clamp design fits large toggle breakers (up to approx. 58 mm wide × 22 mm thick) for broader compatibility; Tool-free thumbscrew mechanism enables quick, secure installation without additional tools; Rated for 480 V–600 V AC applications — suitable for heavy-duty electrical panels and industrial machinery; Constructed from industrial-grade materials for durability during frequent use and harsh environments; Ideal for wide-toggle breakers where standard lockouts may not fit, increasing flexibility in the field. Industrial Uses / Applications: Power distribution panel lock-out; Switchgear & heavy machinery maintenance; Large-toggle circuit breaker isolation; Utility & infrastructure systems lock-out.