Timers Multifunction Types DMB51, DMB71 DMB51DMB71 • Selectable time range 0.1 s to 100 h • 7 knob selectable functions: Op-delay on operate In-interval Io-interval on trigger open Id-double interval Dr -delay on release R -symmetrical recycler ON first Rb-symmetrical recycler OFF first • Automatic or manual start • Repeatability: ≤ 0.2% • Output: 5 A SPDT or 5 A DPDT relays • For mounting on DIN-rail in accordance with DIN/EN 50 022 • 17.5 mm (DMB51C) or 35.5 mm (DMB71D) DIN-rail housing (DIN 43880) • Combined AC and DC power supply • LED indication for relay status and power supply ON Product Description Ordering Key DMB 51 C M24 Multi-voltage timer with 7 knob-selectablefunctions and7 knob-selectabletime ranges within 0.1s and 100h. For mounting on DIN-rail. Housing17.5mmwidefor SPDT version and 35.5 mm for DPDT version, suitable both for back and front panel mounting. Widepowersupplyrange: 24 VDC and 24 to 240 VAC or 12 to 240 VAC/DC. Housing Function Type Item number Output Power supply Type Selection MountingOutputHousingSupply: Supply: 12 to 240 VAC/DC 24 VDC and 24 to 240 VAC DIN-railSPDTMini-DDMB 51 C W24 DMB 51 C M24 DIN-railDPDTMini-DDMB 71 D W24 DMB 71 D M24 TimeSpecifications Time ranges Knob selectable0.1 to1 s 1to10 s 6to60 s 60to600 s 0.1 to1 h 1to10 h 10to100 h Output Specifications OutputSPDT or DPDT relay Rated insulation voltage250 VAC (rms) Contact Ratings (AgSnO2) µ DMB51 (SPDT): Resistive loads AC 15 A @ 250 VAC DC 125 A @ 24 VDC Small inductive loadsAC 152.5 A @ 250 VAC DC 132.5 A @ 24 VDC Setting accuracy ≤ 5% Repeatability≤ 0.2% Time variation Within rated power supply≤ 0.05%/V Within ambient temperature ≤ 0.2%/°C Reset Manual reset of time and/orClose the trigger contact relaybetween pins A1 and Y1 Pulse duration ≥ 100 ms Power supply interruption≥ 200 ms Automatic start Connectpins A1 and Y1 DMB71 (DPDT) Resistive loads AC 15 A @ 250 VAC Small inductive loadsAC 153 A @ 250 VAC DC 133 A @ 24 VDC Mechanical life≥ 30 x 106 operations Electrical life ≥ 105 operations (at 5 A, 250 V, cos ϕ = 1) Operating frequency< 7200 operations/h Dielectric strength Dielectric voltage2 kVAC (rms) Rated impulse withstand voltage2.5 kV (1.2/50 µs) Specifications are subject to change without notice (18.06.07)1
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