Document
53
HEAV Y DUTY RELAY
FEATURES l High Performance l Heavy duty up to 70Amps l 6.3mm Flat terminals l Suitable Couplers available l Dual Contacts
APPLICATION l A/C Blower l A/C Compressor l Engine Cooling Fan l Radiator Fan l Starter Motors l Rear Window Defogger l Battery Disconnection
TECHNICAL DATA FOR CONTACT SIDE :
Model
Areas of Application Contact Configuration Contact Material Contact Rating at 250C - 12VDC (Res.) 24VDC (Res.) Electrical Life Operations Min. Mechanical Life Operations Min. Contact Voltage Drop at 10 A (Min) Ma ximum Switching Current @ 12.8 VDC For 3 Sec. : : : : : : : : 1A Silver Nickel 40A 20A 1 x 105 1 x 106 30mV 120A
:
53SO
53DO
RESISTIVE /INDUCTIVE/CAPACITIVE LOADS 1A (Dual) Silver Nickel 50A 25A 1 x 105 1 x 106 30mV 150A
53TO
1A (Dual) Silver Nickel / Tungsten* 70A 35A 1 x 105 1 x 106 30mV 240A
*Dual Contact with Tungsten pre-contact / Silver nickel main contact www.DataSheet4U.com Nominal Coil Power Operating Power Operate Time** Release Time**
GENERAL DATA FOR COIL SIDE
: : : : 1.92W (Approx) 1.1W (Approx) 15 milli Seconds 15 milli Seconds
CIRCUIT DIAGRAM
** At nominal voltage without coil suppression (excluding bounce)
R* 30
0
OPERATING CONDITIONS
Ambient Temperature Ma ximum Temperature Dielectric Strength Insulation Resistance Vibration Resistance (without Change in the switching state>10µS) Shock Resistance (without Change in the switching state>10µS) : : : : : : -25 C to +85 C 1550C 500VRMS 100 Meg. Ohms Min. At 500 VDC, 250C RH 50 10-50Hz 4.4g (min)
0
85
86 87 Dual Contact
R* 30 85 86 87 Singe Contact
30g, 8mS
* Parallel resistor or Diode Optional
HOW TO ORDER
53 1 1A - 12 D 0 - XXX
Specialities If any
COIL DATA
Coil Resistance without parallel resistor in Ohms ±10%
Nominal Voltage VDC
Product Series
0-Without Bracket 1-With Bracket
0- No Resistor in Parallel to Coil 1 - With Resistor in Parallel to Coil S - Single Contact D - Dual Contact T - Dual Contact Heavy Duty Nominal Coil Voltage (Refer Coil Data)
06 09 12 18 24 48
***Pick-up Voltage VDC Version D 4.8 6.8 9.0 13.5 18.0 36.0
Pick-up Voltage VDC Version T 5.2 7.2 9.6 14.4 19.2 38.4
20 55 75 165 250 1100
Contact Arrangement 1A - 1 Form A
***Lower pick-up Voltages available on request
DIMENSIONS
Relay without Bracket
28.0 28.0
Relay with Bracket
25.5
33.0 28.0 1 1.5
Ø5.0
28.0 19.0 8.0
4x6.30
25.5
www.DataSheet4U.com 85
8.4 87 86 30 1 1.5 2x0.8
8.4
4x0.8
4x6.30
10.35 17.9
MECHANICAL DATA
COVER RETENTION Pull : 20KgF Push : 20KgF
AVAILABLE ON REQUEST
l High temperature winding wire l Special coil resistance & pick-up l For other custom solutions consult factory
TERMINAL STRENGTH Pull Push : : 10KgF 10KgF
46.0
4x0.8
2x0.8
DATA ON VARIOUS TESTS CONDUCTED FOR OPERATING CONDITIONS *
TEST TEST CONDITION
Relay kept at 100 C Coil Voltage : 14 VDC Continuous Energisation test at Ex treme temperature Conditions Load given : 25 A @ 12 VDC Duration : 5 Sec. On, 5 Sec. OFF No. of operation : 50000 The above test repeated .