Datasheet BR & SU Series UL489/CSA C22.2 No.5-02 (Branch rated) Circuit Breakers UL1077/CSA C22.2 No.235 Supplementary Protectors NEW Compared to traditional fuse installation, the UL489/CSA C22.2 No.5-02, UL1077/CSA C22.2 No.235 compliant circuit breakers listed here assist with the complex task of selecting correct types and characteristics and offer a less bulky installation solution. Ourrange of miniature, molded-case circuit breakers, in combination with our accessories for factory or on-site installation, offer enhanced control and monitoring capabilities. Installation kits include all parts and instructions to make the on-site job easy. We supply UL489/CSA C22.2 No.5-02 and UL1077/CSA C22.2 No.235 compliant 1, 2 and 3-pole-type circuit breakers from 0.5 to 60 Ampere and with type C and D characteristics. Attachments such as neutral switches, auxiliary contacts and shunt trips are also available for this system. All accessories for modern busbar installations are available in compliance with the relevant UL standards. Weidmuller, Canada Weidmuller, Mexico Weidmuller, United States 10 Spy Court Blvd. Hermanos Serdn 698, 821 Southlake Blvd. Markham, Ontario L3R 5H6 Col. San Rafael Oriente Richmond, Virginia 23236 Puebla, Puebla, Mexico Telephone: (800) 268-4080 Telephone: (800) 849-9343 C.P. 72029 Facsimile: (877) 300-5635 Facsimile: (804) 379-2593 Telephone: 01 222 2686267 Email: info1 weidmuller.ca Email: info weidmuller.com Facsimile: 01 222 2686219 Website: www.weidmuller.ca Website: www.weidmuller.com Email: clientes weidmuller.com.mx Website: www.weidmuller.com.mxBranch Circuit Breakers Application Schematic Power Circuit UL489 UL489 Power Circuit Power Transformer Control Circuit UL489 Control Transformer Power UL489 Transformer UL1077 UL489 UL1077 UL489 UL489 UL1077 UL489 M M Outlet Fixed mounted cabinet /panel heater (resistive loads) Sizing of main branch circuit protector according to table 430.52 in NEC Dual Element (Time Delay) Fuse Maximum fuse = largest motor FLA x 175 % + FLA of all other motors and general loads in group Inverse Time Breaker Maximum circuit breaker = largest motor FLA x 250 % + FLA of all other motors and general loads in group (for other fuse/breaker types see table 430.52) 2