Miniature Circuit Breakers B4/B6/B10, Residual Current Devices & Isolating Switches The IMOfO range of miniature circuit breakers have been designed for protection of electrical installations against overload and short circuits and are manufactured in accordance with IEC60898-1, IEC 60947-2. MCB Features Handle central-tripping function for circuit fault indicating Elegant appearance cover and handle in arc shape. Contact position indicating window transparent cover to carry label High short circuit capacity Applicable to terminal and Pin/Fork type busbar connection OptionsOptions andand orderingordering codescodes Finger protected connection terminals Handle padlock device B6 B 10 16A Rated Tripping characteristics in accordance with current MCB 4,5kA B4 B, C and D type curves Amps MCB6kA B6 MCB 10kA Certification: B10 Curve B: 3-5 I n B4/B6: Semko / CE Curve C: 5-10 I n Operating characteristic B Operating characteristic C B10: VDE* / Semko / CE Curve D: 10-20 I n Operating characteristic D Single pole 10 Single pole + Neutral 1N Two pole 20 Three pole 30 Specifications Three pole + Neutral 3N In accordance with: IEC 60898-1, IEC 60947-2 Certification: CE, SEMKO, VDE* (only with B10, C & D curve 1P/2P/3P, 6 to 40A) 3P, 3P+N Pole composition: 1P, 1P+N, 2P, 3P, 3P+N Tripping Curve: B, C, D SelecSelection chart Please contact IMO 4.5kA 6kA 10kA Rated frequency: 50/60Hz Rated operationnal voltage: 230/400VAC 60VDC Max B C D operating operating operating Rated insulation voltage: 250VAC / 500VAC Type characteristics characteristics characteristics Rated impulse withstand voltage: 6.2kV Poles 1 1 1N 23 3N 1 2 3 Rated short circuit breaking capacity as per IEC 60898-1 and IEC60947-2: 2 4 B4 : 1P+N, C curve : 4.5kA 6 B6 : 1P, B curve: 6kA 10 B10 : 1P/2P/3P/3P+N, C & D curve: 10kA 16 Mechanical lifetime > 20,000 cycles 20 Electrical lifetime > 8,000 cycles 25 Fastening torque: 2.0 Nm 32 40 Terminal capacity: 35mm solid, 25mm stranded conductor (10mm for 1P+N) 50 Mounting on rail EN 60715 (EN 50022) 63 Protection degree: IP20 Weight(g/pc) 100 100 200 200 300 400 100 200 300 0 0 0 Packing(Qty) 12 12 6 4 3 Temperature range: -5 c - +40 c, average temperature not to exceed 35 c 6 12 6 4 B4/B6/B10/01/12 www.imopc.comm Rated current A mpsMiniature Circuit Breakers B4/B6/B10 Accessories Busbars Auxiliary Switch B10-F3 for monitoring the status of the protection device (open/closed) Description Ref. 1 pole changeover (for C & D curve only) Busbar 1 Pole, 100A, Fork Type, 1M B10BB1F100-1M Rated current : 6A 230VAC & 24VDC or 3A 400VAC Busbar 3 Pole, 100A, Fork Type, 1M B10BB3F100-1M Dielectric Strength : 2000V/1min Busbar 1 Pole, 100A, Pin Type, 1M B10BB1P100-1M Terminal capacity : 1-4mm Busbar 3 Pole, 100A, Pin Type, 1M B10BB3P100-1M Mounting on the Left side End Cap 3 Pole (Fork type only) B10BBCAP3F100 Shunt trip B10-S3 Terminal adapter BA1 Shunt Trip for remotly switch off the protection device Rating voltage Ue : AC 110V / 230V / 400V Locking device B10-LOCK oving voltage : 70%~110% X Ue 4mm padlock max diameter, non include Mounting on the Left side Locking device B10-TERM Dimensions mm Miniature Circuit Breakers B, C, D Tripping Curve Ambient temperature & Current rating curve B4/B6/B10/01/12 www.imopc.comm