DG55M electric vehicle relay • General purpose automotive or electric vehicle relays • Up to 20A @ 80VDC switch capability (100K ops.) • 40A continuous DC current capacity (at 23°C) • Fits standard Mini-ISO relay sockets • Special terminal arrangement - “ordinary” Mini-ISO relay inserted in DG55M socket will be safe. • RoHS Compliant Contacts Contact number & arrangement SPST-NO (1 Form A) Contact material AgSnO2 Max. switching voltage DC 110VDC - current dependent (see Fig. 2) Contact rating 12VDC 80VDC Max. continuous current* SPST-NO 40A 20A Max. switching current - make (inrush)* SPST-NO 120A 120A Max. switching current - break* SPST-NO 60A Min. switching current * At ambient 23°C. 20A 1A/5VDC At ambient 85°C, Max. continuous current at 80VDC = 8A Initial contact resistance <100mΩ at 0.1A/6VDC Coil Rated voltage DC 12V (24V - consult factory) Must release voltage 0.10Un - see coil table 1 for more information. Operating range of supply voltage See coil table 1 Rated power consumption 2W Insulation Insulation resistance Dielectric strength. 100MΩ at 500VDC, 50%RH, 25°C Coil to contact 600Vrms / 1 min General Data Operate time ≤ 10msec Release time ≤ 12msec Electrical Life ops 1 x 105 (8A @ 80VDC, 1 sec ON / 1 sec OFF, resistive) Mechanical life ops 1 x 107 Dimensions LxWxH 25.9 x 25.9 x 24.9mm (excluding terminals) - see drawings for more information Weight 34g approx. Ambient temperature -40 to 85°C (Operating). Consult factory for ambient above 85°C -40 to 155°C (Storage) Shock resistance Destructive 196m/s2(20g) Functional 98m/s2(10g) Vibration resistance 10 to 40Hz DA 1.27mm; 40-70Hz:5g / 70-100Hz DA 0.5mm, 100 500Hz:5g Cover protection category IP54 Dust cover Page 1 of 3 Ref: DG55M 021617 JHM American Electronic Components Inc., 1101 Lafayette St. Elkhart, IN46516 www.durakoolrelays.com Sales Department Tel: (888) 847-6552 Specifications are subject to change without notice. E&OE DG55M series electric vehicle relay Coil data Coil voltage code Nominal voltage (V DC) Coil resistance (Ω) ± 10% Must operate voltage max. ( V DC) Must release voltage min. (V DC) Max allowable voltage at 23°C (VDC) Max allowable voltage at 85°C (VDC) 1012 12 72 7.2 1.2 18 14 1024 24 288 14.4 2.4 35 25.2 1048 48 1152 28.8 4.8 70 48 Coil Insulation: Class H Ordering Codes Contact Material and Arrangement Type D G 5 5 M - Cover protection and mounting - Coil Code - Options 1 & 2 - Contact Material 50 - AgSnO2 Contact Arrangement 21 - SPST-NO (1N/O, 1 Form A) Cover Protection & Mounting 7 - Dust Cover - IP54 - No bracket 9 - Cover, supplied with mounting bracket (Option M1 only) Connection Mode 6 - Flat blades (6.35mm) Coil Code See Table 1 Options 1 Nil - No options M1 - Metal bracket (Supplied fitted as standard. Consult factory for brackets supplied loose) Options 2 Nil - No Options R - Integral resistor D - Integral diode +85, -86 DR - Integral diode (reversed) -85, +86 (Standard) Example: DG55M-5021-76-1012-DR Note: All parameters, unless otherwise specified, are measured at ambient temperature of 23°C Page 2 of 3 Ref: DG55M 021617 JHM American Electronic Components Inc., 1101 Lafayette St. Elkhart, IN46516 www.durakoolrelays.com Sales Department Tel: (888) 847-6552 Specifications are subject to change without notice. E&OE. DG55M electric vehicle relay Fig. 1 Overall Dimensions 4.0 16 15.0 11.0 24.9 ø 5.3 .65 Ø1 ±0 .15 6.3 25.9 25.9 with optional mounting bracket Top View showing fit on standard socket (DZ85AB-5-WH2) Fig. 2 Dimensions in mm Amps Load Current v. Load Voltage (DC) at 23°C (100K ops. 1s On/1s Off) 70 60 Fig. 3 Connection diagram Amps 50 Important! Please observe polarity when connecting the load to Terminals 87 and 87a. Incorrect polarity will lead to reduced life. 40 30 20 10 0 0 20 40 60 80 100 120 - + a Volts DC Amps Load Current v. Load Voltage (DC) at 85°C (100K ops. 1s On/1s Off) 45 (D) 40 35 Amps 30 (DR) 25 20 (R) 15 10 5 0 0 Page 3 of 3 Ref: DG55M 021617 JHM 10 20 30 40 Volts DC 50 60 70 80 90 1 Form A American Electronic Components Inc., 1101 Lafayette St. Elkhart, IN46516 www.durakoolrelays.com Sales Department Tel: (888) 847-6552 Specifications are subject to change without notice. E&OE