Datasheet

Contact Ratings @ 25°C with relay properly vented.
Remove tape over vent hole after soldering and cleaning.
Arrangements: 2 Form A (DPST-NO) and 2 Form C (DPDT).
Materials: Silver cadmium oxide.
Max. Load Rating:
Normally Open Contacts:
30A @ 120/277VAC, resistive;
10A @ 600VAC, resistive;
1 HP @ 120VAC, 2.5 HP @ 240VAC;1.5 HP @ 480VAC, 1.5 HP @ 600VAC
110 LRA, 25.3 FLA, @ 240VAC with DC coil
(1)
;
60 LRA, 14 FLA @ 240VAC with AC coil
.
3A @ 240VAC pilot duty;
20A @ 28VDC;
TV10 @ 120VAC.
VDE Rating (Flange Mount): 25A @ 400VAC, 100K Ops. (30K Ops. for
Form C Models).
VDE Rating (PC Mount): 30A @ 400VAC, 100K Ops. (30K Ops. for
Form C Models).
Normally Closed Contacts:
3A @ 28VDC or 277VAC, 2A @ 480VAC, 1A @ 600VAC.
VDE Rating (Flange or PC Mount): 3A @ 400VAC, 30K Ops.
Min. Load Rating:
Normally Open Contacts: 500mA @ 12VAC/VDC.
Normally Closed Contacts: 100mA @ 6VAC/VDC.
Expected Mechanical Life: 5 million operations.
Expected Electrical Life: 100,000 operations at rated load.
ARI 780-86 Endurance Test (section 6.6):
HVAC Definite Purpose Contactor Standard
Normally Open Contacts
Single Phase/Two Pole (Both poles together switching a single load)
110 LRA, 25.3 FLA, 200K operations (DC Coil).
Single Phase Per Pole (Single load per pole)
110 LRA, 18 FLA, 200K operations (DC Coil).
60 LRA, 14 FLA, 200K operations (AC Coil).
Note: Vent hole tape must be removed to achieve all listed ratings.
File E22575
File LR15734
File No. 5386
Type 2, 3, & 4 - File E22575
Ambient Temperature vs. Coil Voltage
Assumptions:
1. Thermal resistance = 35°C per Watt (DC only.)
2. Still air.
3. Nominal coil resistance.
4. Maximum mean coil temperature = 140°C using change of
resistance method, Class F.
5. Coil temperature rise due to load = 6.3°C @ 30 amps.
6. Curves are based on 1.7W at 25°C (DC only.)
T92 series
Two-Pole, 30 Amp
PC Board or Panel Mount Relay
Operate Data
Must Operate Voltage: AC Coil: 80% of nominal voltage or less.
DC Coil: 75% of nominal voltage or less.
Must Release Voltage: 10% of nominal voltage or more.
Initial Operate Time
(2)
: 15 ms typical, (25 ms max. w/bounce).
Initial Release Time
(2)
: 10 ms typical, (25 ms max. w/bounce).
Max Operating Frequency: 14 operations per minute.
Mechanical Data
Termination: Printed circuit terminals; .250” (6.35mm) quick connects for
coil and contacts; or .187” (4.75mm) quick connects for coil
and .250” (6.35mm) quick connects for contacts.
Enclosure: Unsealed, plastic dust cover or immersion cleanable, tape
sealed plastic cover.
Weight: 3 oz. (86g) approximately.
Conditions
All parametric, environmental and life tests are performed according to EIA
Standard RS-407-A at standard test conditions (25°C ambient, 20-50% RH,
29.5 ± 1” Hg.) unless otherwise noted.
Initial Insulation Resistance
Between Mutually Insulated Elements: 10
9
ohms, min. @ 500VDC.
Initial Dielectric Strength
Between Contacts and Coil: 4,000V rms, 50/60 Hz.
Between Open Contacts: 1,500V rms, 50/60 Hz.
Between Poles: 2,000V rms, 50/60 Hz.
Coil Data
Voltage: 12 through 110VDC and 12 through 277VAC.
Resistance: See Coil Data table.
Nom. Power: AC Coil: 4.0VA; DC Coil: 1.7W.
Coil Temp. Rise: 35°C/W.
Max. Coil Temp.: 140°C.
Duty Cycle: Continuous.
Notes
(1) FLA, LRA ratings are compatible with 3.5 ton compressor applications.
(2) Nominal voltage, no coil suppression, excluding bounce.
Environmental Data
Temperature Range: Storage: -55°C to +155°C.
Operating: AC Coil: -40°C to +65°C.
DC Coil: -40°C to +85°C.
Vibration: 0.065” (1.65mm) double amplitude for 10-55 Hz., functional.
Shock, Operational: 10g for 11 ms, 1/2 sine wave pulse with no contact
opening > 100µs.
Shock, Mechanical: 100g for 11 ms, 1/2 sine wave pulse.
Flammability: UL 94V-0.
Features
• 30A DPST-NO and DPDT switching capabilities.
• Designed to control compressor loads to 3.5 tons, 25.3 FLA, 110 LRA.
• Extended life – >300,000 operations at 30A, 240VAC (DC coil).
>100,000 operations at 30A, 240VAC (AC coil).
• Meets requirements of UL873 and UL508 spacings.
– .315” (8mm) through air, .375” (9.5mm) over surface.
• Meets requirements of VDE 8mm spacing, 4kV dielectric coil-to-contacts.
• Meets requirements of UL Class F construction.
• UL approved for 600VAC switching (1.5HP).
• Conforms to VDE 0435, 0631, and 0700.
Coil Data (@ 25°C Coil Temperature)
DC Coils
(
1.7W
)
Nom. Voltage DC Resist. Nom. Voltage DC Resist.
(
VDC
)
±10%
(
Ohms
)(
VDC
)
±10%
(
Ohms
)
12 86 48 1,390
24 350 110 7,255
AC Coils
(
4.0VA
)
Nom. Voltage Freq. DC Resist. Nom. Voltage Freq. DC Resist.
(
VAC
)
±10%
(
Ohms
)(
VAC
)
±10%
(
Ohms
)
12 60 9.1 110/120 50/60 950
24 60 36.6 220/240 50/60 3800
250/277 50/60 5485
120
100
80
60
40
20
0
90 95 100 105
110
115 120 125 130 135 140
145
150
Applied Coil Voltage (% of Rated Nominal)
Max. Allowable
Ambient Temp. (°C)
DC Coil 0 Am
p Contact Load
70 75 80 85
DC Coil 30 Am
p Contact Load
AC Coil 30 A
A
C Coil 0 A
T2
T1
L1
L2
T2T1
L1
L2