Standard 3BR 3BR Characteristics choice of IP54 or IP67 sealed versions precise movements screw terminals pre-wired option long overtravel Rating 250 VAC, 10 A max. Dimensions (mm) 53.1 20.6 30.8 Actuator plunger Approvals UL, CSA Preferred Range Ordering Actuating Force Sealing Operating pos. Terminal Circuit Actuator Contacts Electrical rating Reference (N) (ozf) (mm) (in) 3BR103 7,2 26,00 IP54 39,3 1,55 Screw CO Plunger Ag Up to 125 VAC, 10 A 3BR510 7,2 26,00 IP67 39,3 1,55 Screw CO Plunger Ag Up to 125 VAC, 10 A Specifications Housing Phenolic Plunger Stainless steel Cowl Silicone rubber Mechanism Single pole change-over Contacts Silver Terminals Screw terminals with captive washers Temperature 10C to +85C 6 Mechanical life 10 cycles minimum (impact free actuation) Protection 3BR / 510 IP67 / 3BR103 IP54 (enclosure) Mounting Side mounting Circuit diagram Burgess switches burgess-switch johnsonelectric.om www.burgess-switch.com 47 3BR Dimensions Recommended maximum electrical ratings Voltage Load Horsepower Approval (max) (A) 250 VAC 5 (0.75 pf) - CSA 22.2 No. 55 - 6,000 operations 125 VAC 10 (0.75 pf) - CSA 22.2 No. 55 - 6,000 operations 1 250 VAC - 4 HP (0.45 pf) CSA 22.2 No. 55 - 6,000 operations 1 125 VAC - 8 HP (0.45 pf) CSA 22.2 No. 55 - 6,000 operations 0 - 15 VDC 10 - General rating - 50,000 operations 15 - 30 VDC 5 - General rating - 50,000 operations Operating Characteristics Actuating Release Free Operating Movement Overtravel Actuator Reference Force Force Position Position Differential Maximum Minimum Maximum Maximum (N) (ozf) (N) (ozf) (mm) (in) (mm) (in) (mm) (in) (mm) (in) Plunger 3BR103 7,2 26,00 1,7 6 40,8 1,6 39,3 0.4 1,55 0.016 0,08 0,003 4,6 0,18 3BR/510 Ordering Reference Example: 3BR SH Basic type 3BR Environmental SH Sealed terminals with horizontal exiting 500 mm cables IP67 sealing 103 Sealed to IP54 510 Sealed to IP67 Special Features / Burgess specialise in customer specific solutions. Additional product variants are available or can be provided. If your requirements cannot be satisfied from the options listed, please contact www.saia-burgess.com or your local SB outlet. 48 Burgess switches burgess-switch johnsonelectric.om www.burgess-switch.com Standard