This Cutler Hammer Heavy Duty Safety Switch is a genuine, robust solution designed for demanding applications. It offers reliable performance with a 100 Amp, 3-pole, 600 Volt rating. The Type 12 enclosure provides dust-tight protection, making it suitable for various industrial environments. Engineered for safety and durability, this switch ensures dependable operation..The Cutler Hammer 12HD363W is a 100 Amp, 3-pole, 600 Volt heavy-duty safety switch. It features a Type 12 enclosure for dust-tight protection and is a fusible switch designed for single-throw operation. The switch is CSA/UL approved and manufactured by Eaton under the Cutler-Hammer brand series 12HD.