NOTES
1. All values at 20°C (68°F).
2. Relay may pull in with less than “Must Operate” value.
3. Unsealed relays should not be dip cleaned.
4. Specifications subject to change without notice.
CONTACTS
Arrangement SPST (1 Form A)
SPDT (1 Form C)
Ratings Resistive load
Medium Duty Max. switched power: 150 W or 2770 VA
Max. switched current: 10 A
Max. switched voltage: 30 VDC or 300 VAC
UL Rating: 5 A at 30 VDC
10 A at 277 VAC
1/3 HP at 125 VAC (1 Form A)
2.9 A 125 VAC Pilot Duty (1 Form A)
Heavy Duty Max. switched power: 480 W or 4000 VA
Max. switched current: 16 A
Max. switched voltage: 30 VDC or 300 VAC
UL Rating: 12 A at 28 VDC
12 A at 277 VAC
16A at 250 VAC (SPDT)
2.0 A at 240 VAC Pilot Duty
Material Medium Duty: Silver cerium
Heavy Duty: Silver tin oxide
Resistance <100 milliohms initially
(24 V, 1 A voltage drop method)
COIL
Power
At Pickup Voltage 230 mW
(typical)
Max Continuous Class B: 1.8 W at 20°C (68°F) ambient
Dissipation Class F: 2.4 W at 20°C (68°F) ambient
Temperature Rise 23°C (42°F) at nominal coil voltage
Temperature Class B: Max. 130°C (266°F)
Class F: Max. 155°C (311°F)
GENERAL DATA
Life Expectancy Minimum operations
Mechanical 1x107
Electrical 1 x 105at 10 A 277 VAC Res.
Operate Time (typical) 10 ms at nominal coil voltage
Release Time (typical) 5 ms at nominal coil voltage
(with no coil suppression)
Dielectric Strength 1750 Vrms contact to coil
(at sea level for 1 min.) 1000 Vrms across contacts
Insulation Resistance 100 megohms min. at 20°C, 500 VDC,
50% RH
Dropout Greater than 10% of nominal coil voltage
Ambient Temperature At nominal coil voltage
Operating Class B: -40°C(-40°F) to 100°C(212°F)
Class F: -40°C(-40°F) to 120°C(248°F)
Storage Class B: -55°C(-67°F) to 130°C(266°F)
Class F: -55°C(-67°F) to 155°C(311°F)
Vibration 0.062" DA at 10–55Hz
Shock 10 g
Enclosure P.B.T. polyester
Terminals Tinned copper alloy, P.C.
Max. Solder Temp. 270°C (518°F)
Max. Solder Time 5 seconds
Max. Solvent Temp. 80°C (176°F)
Max. Immersion Time 30 seconds
Weight 13 g
AZ942
5/17/05W
16 AMP
MINIATURE
PC BOARD RELAY
FEATURES
•Extremely low cost
•High switching capacity — 16 Amps
•DC coils to 48 VDC
•UL, CUR file E44211
•Class B insulation for high temperature operation
•Class F insulation available
RELAY ORDERING DATA
STANDARD RELAYS: Heavy Duty Type (16 Amp Contact)
COIL SPECIFICATIONS ORDER NUMBER*
Nominal Coil Must Operate Max. Continuous Coil Resistance Unsealed Sealed
VDC VDC VDC ±10%
3 2.4 6.7 25 AZ942–1CT–3D AZ942–1CT–3DE
5 4.0 11.2 70 AZ942–1CT–5D AZ942–1CT–5DE
6 4.8 13.4 100 AZ942–1CT–6D AZ942–1CT–6DE
9 7.2 20.1 225 AZ942–1CT–9D AZ942–1CT–9DE
12 9.6 26.8 400 AZ942–1CT–12D AZ942–1CT–12DE
18 14.4 40.2 900 AZ942–1CT–18D AZ942–1CT–18DE
24 19.2 53.6 1,600 AZ942–1CT–24D AZ942–1CT–24DE
48 38.4 107.3 6,400 AZ942–1CT–48D AZ942–1CT–48DE
*Substitute “1AW” in place of “1CT” to indicate 1 Form A contact. To indicate Class F version, add suffix “F.”
RELAY ORDERING DATA
STANDARD RELAYS: Medium Duty Type (10 Amp Contact)
COIL SPECIFICATIONS ORDER NUMBER*
Nominal Coil Must Operate Max. Continuous Coil Resistance Unsealed Sealed
VDC VDC VDC ±10%
3 2.4 6.7 25 AZ942–1CH–3D AZ942–1CH–3DE
5 4.0 11.2 70 AZ942–1CH–5D AZ942–1CH–5DE
6 4.8 13.4 100 AZ942–1CH–6D AZ942–1CH–6DE
9 7.2 20.1 225 AZ942–1CH–9D AZ942–1CH–9DE
12 9.6 26.8 400 AZ942–1CH–12D AZ942–1CH–12DE
18 14.4 40.2 900 AZ942–1CH–18D AZ942–1CH–18DE
24 19.2 53.6 1,600 AZ942–1CH–24D AZ942–1CH–24DE
48 38.4 107.3 6,400 AZ942–1CH–48D AZ942–1CH–48DE
*Substitute “1AT” in place of “1CH” to indicate 1 Form A contact. To indicate Class F version, add suffix “F.”
AZ942
5/17/05W
MECHANICAL DATA
Dimensions in inches with metric equivalents in parentheses. Tolerance: ±0.010"
WIRING DIAGRAM
5
2
1
3
4*
Viewed toward terminals
PC BOARD LAYOUT
.078
(2.0)
.480
(12.2)
.472
(12.0)
.082
(2.1)
.05
(1.3) 5 HOLES
.89
(22.5)
.65
(16.5)
.66
(16.8)
.013
(0.3)
.040
(1.0)
5 PLACES
.016
(0.4)
.138
(3.5)
*Not used on Form A relay
Viewed toward terminals
*Not used on Form A relay
*
C
L
TERMINAL DIMENSIONS
Terminal Number
1
2, 5
3, 4
Dimensions
.013 X .040
.013 X .036
.013 X .040
