Datasheet

DG77A / B
industrial bistable (latching) power relay
• Up to 80A /240VAC continuous rating
• 30VDC maximum switching voltage
• Single Coil & Twin Coil Latching
• Manual test lever
• Utility meters
• Automotive / Electric Vehicle Battery
Contacts
Contact number & arrangement
SPST-NO (1 Normally Open)
Contact material
AgSnO2
Max. switching voltage
250VAC / 30VDC
Min. switching current / voltage
500mA/12VDC
Max. continuous current
60A, 80A
Max. switching current
60A, 80A
Max. switching power
60A; 15000VA / 1680W 80A: 20000VA / 2240W
Initial resistance
≤ 100mΩ, max. at 0.1A/6VDC
Coil
Rated voltage
9...48VDC
Operating range of supply voltage
See coil table 1
Rated power consumption
Single coil 60A: 1.2W / 80A: 1.5W
Twin coil 60A: 2.4W / 80A: 3W
Insulation
Insulation resistance
>1000MΩ at 500VDC, 50%RH
Dielectric strength
coil to contact 4000Vrms, 1min (50Hz)
between open contacts 1500Vrms, 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
Weight
L x W x H 38.6 x 33 x 17mm (see drawings for detail)
≤ 45g
Ambient temperature
storage -40 to 70°C
operating -40 to 70°C (Class F)
Shock resistance
Functional: 100m/s2 11mS; Destructive: 1000m/s2
Vibration resistance
10-55Hz: DA 1.5mm
Humidity
98%RH, 40°C
Page 1 of 3 Ref: DG77 090612JHM
www.durakoolrelays.com
Sales Department Tel: (888) 847-6552
DG77A / B
industrial bistable (latching) power relay
Coil Data
Table 1
DC Coil
Coil Voltage Code
Single Coil
Twin Coil*
Nominal Voltage
(VDC)
SL09
TL09
9
SL12
TL12
SL24
TL24
SL48
TL48
Coil Resistance (Ω) ±10%
Single Coil
(1.5W)
Twin Coil* (3W)
Must operate
voltage (VDC)
54
27.0 + 27.0
≥ 6.75
12
96
48.0 + 48.0
≥9
24
384
192 + 192
≥ 18
48
1536
768 + 768
≥ 36
Operate pulse
length
50ms
* NB: Latch & Reset coils must not be powered simultaneously.
Ordering codes
Contact
Material
Type
D
G
7
7
Contact
arrangement
-
Cover protection and
mounting
-
Coil code
-
-
Contact Rating
A
-
60A
B
-
80A
Contact Material
30
-
AgSnO2
see Table 1
Contact Arrangement
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*
1
-
PCB coil terminals + Weld Terminals for contacts
Straight power terminals
2
-
PCB coil terminals + Weld Terminals for contacts
Bent power terminal
* Terminals are highly customizable. Please contact factory.
Options
NIL
-
Standard
P***
-
Custom (*** = unique identifier)
Page 2 of 3 Ref: DG77 090612JHM
www.durakoolrelays.com
Sales Department Tel: (888) 847-6552
DG77A / B
industrial bistable (latching) power relay
Overall Dimensions
Fig. 1
Bent Power Terminals
Straight Power Terminals
All dimensions in mm
Fig. 2
Wiring Diagrams
pin2 pin3 pin1
pin2
coil
pin 1
+ve
pin1
coil
pin 3
release -ve
coil
pin 2
pin 1
operate +ve
Twin Coil
+ve
-ve
Single Coil
Custom connection options: Illustrative examples showing with optional shunt or without.
Notes:
1) All parameters, unless otherwise specified, are measured at an ambient temperature of 23°C.
Specifications are subject to change without notice. E&OE.
Page 3 of 3
Ref: DG77 090612JHM
American Electronic Components Inc., 1101 Lafayette St. Elkhart, IN46516
www.durakoolrelays.com
Sales Department Tel: (888) 847-6552
pin 2
release -ve
operate +ve
Fig. 3
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