AZ970/AZ971
40 AMP MINIATURE
POWER RELAY FOR
AUTOMOTIVE USE
FEATURES
• Low cost
• Up to 40 Amp switching capability in a compact size
• Open, covered or sealed
• Coils to 24 VDC
• Small footprint
• 1 Form A, B and C contacts available
• Vibration and shock resistant
• Designed for high in-rush applications
GENERAL DATA
Life Expectancy
Mechanical
Electrical
Minimum operations
5 x 106 operations
1 x 105 operations at 40 A 14 VDC Res.
CONTACTS
Operate Time (typical) 3 ms at nominal coil voltage
Arrangement
SPST (1 Form A)
SPST (1 Form B)
SPDT (1 Form C)
Release Time (typical) 5 ms at nominal coil voltage
(with no coil suppression)
Dielectric Strength
(at sea level for 1 min.) 500 VDC between open contacts
500 VDC coil to contact
Ratings
Resistive load:
Max. switched power: Form A: 560 W
Form B: 420 W
Insulation Resistance 100 megohms min. at 20°C, 500 VDC,
50% RH
Form C: 420 W
Max. switched current: Form A: 40 A
Form B: 30 A
Dropout
Greater than 6% of nominal coil voltage
Ambient Temperature At nominal coil voltage
Form C: 30 A
AZ970 Operating
AZ970 Storage
-40°C (-40°F) to 105°C (221°F)
-40°C (-40°F) to 105°C (221°F)
Max. switched voltage: 150* VDC
AZ971 Operating
AZ971 Storage
-40°C (-40°F) to 105°C (221°F)
-40°C (-40°F) to 105°C (221°F)
* If switching voltage is greater than 30 VDC, special
precautions must be taken. Please contact the factory.
Vibration
0.062" (1.5 mm) DA at 10–55 Hz
10 g
Material
Silver tin oxide
Shock
Resistance
< 100 milliohms initially
(24 V, 1 A voltage drop method)
Enclosure
P.B.T. polyester
Tinned copper alloy, P.C.
270°C (518°F)
Terminals
Max. Solder Temp.
Max. Solder Time
Max. Solvent Temp.
5 seconds
COIL
80°C (176°F)
Power
Max. Immersion Time 30 seconds
At Pickup Voltage
(typical)
514 mW (12 and 24 VDC Coil)
573 mW (6 VDC Coil)
Weight
20 grams
Max. Continuous
Dissipation
5.3 W 20°C (68°F) ambient (AZ970)
4.6 W 20°C (68°F) ambient (AZ971)
NOTES
Temperature Rise
56°C (101°F) nominal coil VDC (AZ970)
59°C (106°F) nominal coil VDC (AZ971)
1. All values at 20°C (68°F).
2. Relay may pull in with less than “Must Operate” value.
3. Specifications subject to change without notice.
Max. Temperature
155°C (311°F)
ZETTLER electronics GmbH
Junkersstrasse 3, D-82178 Puchheim, Germany
Tel. +49 89 800 97 0
Fax +49 89 800 97 200
office@ZETTLERelectronics.com
www.ZETTLERelectronics.com
2003-04-08
