AZ755
20 AMP MINIATURE
POWER RELAY
FEATURES
• Dielectric strength 5000 Vrms
• Low cost
• Epoxy sealed version available
• 20 Amp switching — single pole contacts
• Isolation spacing greater than 8mm
• UL Class B insulation system standard, Class F available
• UL, CUR file E44211
• TÜV file R50129286
CONTACTS
GENERAL DATA
Arrangement
SPST (1 Form A, 1 Form B)
SPDT (1 Form C)
Life Expectancy
Mechanical
Electrical
Minimum operations
5 x 106
5 x 104 at 16 A 240 VAC Res.
2 x 104 at 20 A 277 VAC Res.
Ratings
Resistive load:
Max. switched power: 480 W or 5540 VA
Max. switched current: 20 A
Operate Time (typical) 8 ms at nominal coil voltage
Max. switched voltage: 150* VDC or 380 VAC
Release Time (typical) 5 ms at nominal coil voltage
*Note: If switching voltage is greater than 30VDC, special
precautions must be taken. Please contact the factory.
(with no coil suppression)
Dielectric Strength
(at sea level for 1 min.) 1000 Vrms between open contacts
5000 Vrms coil to contact
Rated Load
UL, CUR
20 A at 277 VAC N.O. resistive, 50k cycles
16 A at 240 VAC general use, 100k cycles
12 A at 277 VAC N.O. resistive., 100k cycles
20 A at 24 VDC resistive
Insulation
Resistance
1000 megohms min. at 20°C
500 VDC 50% RH
1 HP 240 VAC
TV-8 120 VAC N.O. (silver tin oxide only)
Dropout
Greater than 10% of nominal coil voltage
TÜV
16 A at 30 VDC, 250 VAC resistive, 30k cycles*
13 A at 420 VAC resistive, 30k cycles *
Ambient Temperature At nominal coil voltage
Operating
Storage
-40°C (-40°F) to 90°C (194°F)
-40°C (-40°F) to 130°C (266°F)
*approval for form A , C, and Class F only
Material
Silver cadmium oxide (silver tin oxide available)
Vibration
0.062" DA at 10–55 Hz
10 g
Resistance
< 50 milliohms initially
(24 V, 1 A voltage drop method)
Shock
Enclosure
P.B.T. polyester
Tinned copper alloy, P.C.
270°C (518°F)
5 seconds
COIL
Terminals
Power
Max. Solder Temp.
Max. Solder Time
Max. Solvent Temp.
At Pickup Voltage
(typical)
270 mW
80°C (176°F)
Max. Continuous
Dissipation
1.9 W at 20°C (68°F) ambient
Max. Immersion Time 30 Seconds
Weight 18.5 grams
Temperature Rise
Temperature
34°C (61°F) at nominal coil voltage
Max. 130°C (266°F)
NOTES
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.
4/24/09W