DSC30M-4021-28-1024-S DURAKOOL | Alldatasheet

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LVDC Contactor 300A / 120VDC Specifications are subject to change without notice. E&OE.See website for contact details: www.durakool.com DSC30M 14-May-25KS

  • Rated load: 300A at 120VDC
  • Auxiliary contact option
  • Bi-stable (Latching) option
  • Magnet arc “blowout” standard
  • For battery storage applications Contacts Ordering Code Contact arrangement SPST-NO-DM Contact material AgCu Alloy D S C 3 0 M - 4 0 2 1 - 2 8 - 1 0 2 4 - S 2 L Max. switching voltage DC 120VDC Rated load (resistive, cos φ=1) DC1 300A 120VDC DSC Series Coil codes Max. continuous thermal current 300A 30M: Magnet arc blowout See tables 1 & 2 Fault current breaking capacity (resistive) 3000A @ 120VDC (UL508) Terminal temperature rise above ambient <70°C. IEC EN60947, GB14/14048.4 Contact arrangement Contact voltage drop max. ≤80mV @ 500A 4021: SPST-NO-DM Auxiliary contact (when fitted) arrangement SPST-NO + SPST-NC max. current 5A @ 24VDC / 2A @ 48VDC Body style min. current 100mA @ 5V 28: Open frame and M8 male stud power terminals Coil Rated Voltage (see table 1) DC 12, 24, 48, 60, 72, 80, 96, 120VDC Accessory options Rated power consumption 15~25W hold (non-Latch), 15~35W pulse (Latch) Blank: No option Working duty Continuous (not magnetic latch type) S: Auxiliary switch Insulation D: Parallel back emf diode suppression (standard coils) Insulation resistance initial 100MΩ (Min.) @500VDC T: Parallel TVS back emf suppression diode (bi-stable coils) life end 50MΩ (Min.) Dielectric strength coil to contact 1000Vrms (50/60Hz) / <1mA / 1 min (at sea level) Mounting (see Fig. 2) contact to contact 1000Vrms (50/60Hz) / <1mA / 1 min (at sea level) Blank: No bracket General Data 1L: One ‘L’ shaped mounting bracket Operate / bounce time at 20°C max. 60ms / 5ms 2L: Two ‘L’ shaped mounting brackets Release time 60ms 2P: Two ‘P’ shaped mounting brackets Electrical life at rated load 20,000 operations W: “W” shaped bracket Mechanical life operations 1 x 10 Environmental NB: Mounting orientation: The DSC30M may be mounted horizontally, but if mounted vertically, the coil should be positioned downwards. Magnetic latching types: For latching types, ensure >200ms pulse length to allow contacts to settle and magnetic circuit to be fully established. Long term continuous coil energizing is not permitted. Ambient temperature operating -25°C to +65°C (Latching), +85°C (non-Latching) Shock resistance ≤4g, (60 ~ 100ops/min) Vibration resistance ≤3.0g sine peak (1 to 50Hz) Relative humidity RH up to 98% at 20°C Dimensions L x W x H 60.7 x 48 x 123.3 mm (see Figs. 1 & 2) Weight approx. 800g (depends on options) E305753 ü RoHS Compliant

LVDC Contactor 300A / 120VDC Specifications are subject to change without notice. E&OE.See website for contact details: www.durakool.com DSC30M 14-May-25KS Dimensions (mm) Fig. 1 DC Coil Data - DSC30M Standard (Mono-stable, non latching) Table 1 Coil code Nominal voltage (VDC) Us Coil working voltage range (V) Must operate voltage max. (VDC) Must release voltage min. (VDC) Coil power dissipation (W) Holding current (A) 1012 12 0.85Us ~ 1.1Us 8.4 1.2 10 ~ 20 ≤1.2 1024 24 16.8 2.4 10 ~ 20 ≤0.6 1048 48 33.6 4.8 10 ~ 20 ≤0.3 1060 60 42.0 6.0 10 ~ 20 ≤0.25 “2P” Bracket (one each side) DC Coil Data - DSC30M Bi-stable, magnetic latching Table 2 Coil code Nominal voltage (VDC) Us Coil working voltage range (V) Must operate voltage max. (VDC) Must release voltage min. (VDC) Coil power dissipation (W) Coil power (W) SL12 12 0.85Us ~ 1.1Us 2.4 ~ 9.6 2.4 ~ 9.6 15 ~ 30 Initial 15~35W Pulse length ~1 sec SL24 24 4.8 ~ 19.2 4.8 ~ 19.2 15 ~ 30 SL48 48 9.6 ~ 38.4 9.6 ~ 38.4 15 ~ 30 SL60 60 12.0 ~ 48.0 12.0 ~ 48.0 15 ~ 30 Other coils available upon special request. MOQ’s will apply. Dimensions in mm DSC30M With aux. switch option: W Bracket1L Bracket (2L = one each side) Mounting brackets Fig. 2 NB: Polarity sensitive contacts. Observe contact polarity as indicated. Contactor life will be severely reduced if incorrectly connected. - + - + - + - + + - NB: Maximum screw length = 7mm + bracket thickness + lock washer .