KB5 KB5 Characteristics positive-action forced double break switching > 3 mm contact gap at full travel high electrical rating faston terminals Rating Up to 250 VAC, 20 A Dimensions (mm) 41 Actuator * 19,5 * 15.5 plunger plain lever roller levers Approvals ULS, CSA Preferred Range Ordering Actuating Force Sealing Reference (N) (ozf) Operating pos (mm) (in) Terminal Circuit Actuator Contacts Electrical rating 10.0 IP40 16.8 0.66 Faston NC Plunger Ag Up to 250 VAC, 20 A KB5FKULS 2.25 8.0 IP40 19.2 0.76 Faston NC Plain lever Ag Up to 250 VAC, 20 A KB5FKRULS 2.25 8.0 IP40 31.0 1.22 Faston NC Roller lever Ag Up to 250 VAC, 20 A Burgess switches burgess-switch@johnsonelectric.om www.burgess-switch.com 61 Miniature KB5FULS 3.00 KB5 Specifications Housing Plunger Mechanism Functions Contacts Terminals Temperature range Mechanical life Protection Mounting Actuators Approvals Polycarbonate Nylon Single pole, double break, positive action Normally closed Fixed - silver, Moving - silver cadmium oxide 6.3 mm (0.25 in) faston, brass -40C to + 85C 10 7 cycles minimum, impact-free actuation IP40 (enclosure) Side mounting Plain lever - stainless steel, roller lever - stainless steel, nylon roller UL and CSA Circuit diagram NORMALLY CLOSED NORMALLY CLOSED Miniature Dimensions Recommended maximum electrical ratings Voltage (max) Resistive load (A) Inductive load Horsepower Approval 250 VAC 250 VAC 125 VAC 20 (0.75 pf) - - 2 HP 1 HP ULS 1054/CSA 22.2 No. 55 - 100,000 operations ULS 1054 - Horsepower - 6,000 operations ULS 1054 - Horsepower - 6,000 operations 0 - 15 VDC 15 - 30 VDC 15 10 - - General rating - 50,000 operations General rating - 50,000 operations 62 Burgess switches burgess-switch@johnsonelectric.om www.burgess-switch.com KB5 Operating Characteristics Actuating Operation Actuator Reference Force Position ROLLER O9.5 X 4.6 [O0.37 X 0.18] 30 33.5 (N) (ozf) .5 [1 .2] [1.32] Plunger KB5FULS Free Position Maximum (mm) Contact gap at total travel Minimum (in) (mm) (in) (mm) (in) 3,00 10,8 16,8 0,66 19,3 0,76 2 3.0 2 0.12 [1.2 ] KB5FKULS 2,25 8,0 19,2 0,76 26,0 1,02 2 3.0 2 0.12 KB5FKRULS 2,25 8,0 31,0 1,22 36,5 1,40 2 3.0 2 0.12 1 At contact separation of 2 * 1,5 mm ROLLER O9.5 X 4.6 [O0.37 X 0.18] K Lever 33.5 [1.32] O9.5 X 4.6 KR Lever ROLLER [O0.37 X 0.18] 33.5 [1.32] 30 .5 [1.2 ] 30 .5 Recommended minimum contact separation 2 * 1,5 mm (2 * 0,6) indicated when groove in plunger lines up with case. Operating characteristics are specified from mounting holes. Total travel: Plunger can be depressed flush with housing. The housing should not be used as an end stop. Miniature Ordering Reference Basic type KB5 Terminals F Actuators K KR Approvals ULS Special Features / Burgess switches Example: KB5 F K ULS Faston 6.3 * 0.8 mm No symbol, without lever Plain lever 33.5 mm Roller lever 30.5 mm UL 100 k operations and CSA approved 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 us. burgess-switch@johnsonelectric.om www.burgess-switch.com 63