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Page 1 of 3 www.durakoolrelays.com Sales Department Tel: (888) 847-6552 DG79 / DG79B industrial bistable (latching) power relay Contacts Contact number & arrangement SPST-NO, SPST-NC (as delivered condition) Contact material AgSnO2 Max. switching voltage 250VAC / 30VDC Min. switching current / voltage 500mA/12VDC Max. continuous current DG79: 100A / DG79B: 120A Short circuit carrying capacity 3000A (Utilization Category UC3) Max. switching power DG79: 25000VA / DG79B: 30000VA Initial resistance ≤ 100mΩ, max. at 0.1A/6VDC (typically 0.25 to 0.5mΩ) Coil Rated voltage 5...48VDC Operating range of supply voltage See coil table 1 Rated power consumption Single coil 2.3W Twin coil 4.6W Insulation Insulation resistance >1000MΩ at 500VDC, 50%RH Dielectric strength coil to contact 4000Vrms, 1min (50Hz) between open contacts 1800Vrms, 1min (50Hz) Creepage & Clearance >8mm General Data Operating time (max.) mS 20 Release time (max.) mS 20 Electrical Life ops 1 x 104 Mechanical life ops 1 x 106 Dimensions L x W x H 52 x 43 x 22mm (see drawings for detail) Weight approx. 80g (depending on options) Ambient temperature storage -40 to 85°C operating -40 to 85°C (Class F) Shock resistance Functional: 100m/s2 11mS; Destructive: 1000m/s2 Vibration resistance 10-55Hz: DA 1.5mm Humidity 98%RH, 40°C
- Up to 120A /240VAC continuous rating
- Custom Termination options inc shunts
- Single Coil & Twin Coil Latching
- Utility / Prepayment meters
- Automotive / Electric Vehicle Battery
- IEC 62055-31UC3 Ref: DG79 051514JHM
21 - SPST-NO (1 Normally open) * 31 - SPST-NC (1 Normally closed)* * As delivered condition. Cover Protection Category 7 - Covered, dust cover Terminations and mounting (refer to Dimensional Drawings)* 0H - PCB coil terminals + horizontal power terminals. 0V - PCB coil terminals + vertical power terminals. 1V - PCB coil terminals + vertical power terminals. 2V - PCB coil terminals + vertical power terminals with integral shunt. (Use with “P” custom option to define shunt) * Custom terminations available. Please contact factory. Options NIL - Standard P* - Custom (* = unique identifier) DG79 / DG79B industrial bistable (latching) power relay Ref: DG79 0515141JHM Coil Data Table 1 DC Coil Coil Voltage Code Nominal Voltage (VDC) Coil Resistance (Ω) ±10% Must operate voltage (VDC) Operate pulse length (mS)Single Coil Twin Coil* Single Coil (2.3W) Twin Coil* (4.6W) SL05 TL05 5 22 11 + 11 ≥3.75 100 SL09 TL09 9 35 18 + 18 ≥ 6.75 SL12 TL12 12 63 31 + 31 ≥ 9.0 SL24 TL24 24 250 125 + 125 ≥ 18.0 SL48 TL48 48 1002 501 + 501 ≥ 36.0 * NB: For twin coil, latch & reset coils must not be powered simultaneously. Twin Coil type can be used as single coil type by ignoring centre connection (Pin 2 - see Wiring Diagram, Fig. 3). Other coil voltages available to special order, subject to minimum order quantity. Page 2 of 3 www.durakoolrelays.com Sales Department Tel: (888) 847-6552
industrial bistable (latching) power relay American Electronic Components Inc., 1101 Lafayette St. Elkhart, IN46516 Page 3 of 3 www.durakoolrelays.com Sales Department Tel: (888) 847-6552 All dimensions in mm Specifications are subject to change without notice. E&OE. Ref: DG79 051514JHM Notes: 1) All parameters, unless otherwise specified, are measured at an ambient temperature of 23°C. Wiring Diagram Fig. 3 coil coil pin 1 pin 2 pin 3 + ve + ve- verelease operate contacts shown in operated position pin 1 pin 2 pin 3 Overall Dimensions Fig. 1 DG79 “0H” Type DG79 “0V” Type DG79 “1V” Type DG79 “2V” Type (with shunt) Custom terminations available upon request