FERRAZ SHAWMUT OT12 fuses are versatile and economical solutions for protecting feeder and branch circuits serving lighting, heating, and other non-motor loads. These fuses offer low-cost protection with a high interrupting rating of up to 50,000 amperes. They are UL Listed and CSA Certified, ensuring compliance with industry standards. The easy-to-read imprint label simplifies identification and replacement, making them a practical choice for residential and small commercial installations. Care should be taken to ensure replacement fuses have adequate interrupting ratings.