General Purpose
High Power PCB Relays
Potter & Brumfield
T92 Series Two-pole Power Relay
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n
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30/40/50A switching capability
Designed to control compressor loads to 3.5 tons, 110LRA / 25.3FLA
Meets requirements of UL 508 and UL 873 spacings - 8mm through
air, 9.5mm over surface
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Meets requirements of VDE 8mm spacing, 4kV dielectric coil-to-
contact
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Meets requirements of UL Class F construction
UL approved for 600VAC switching (1.5HP)
Screw terminal version (consult factory for availability, ratings)
Anti-explosive version available (Meets EN 60079-15)
WG version available (Meets EN 60335-1)
Typical applications
HVAC, residential / commercial appliances, industrial controls, charging
Approvals
Contact ratings 1) (T92 Type) (continued)
UL E22575; CSA LR48471; VDE 40019600; TUV R 50083843 0008;
TUV 15090924 002; TUV 15090883 001
Technical data of approved types on request.
Type
AgSnOInO
NO
NO
NO
NO
NO
Load
Cycles
40A, 240VAC, resistive 85°C
30A, 277VAC, resistive (DC coil only)
30A, 277VAC, resistive (AC coil only)
20A, 506VAC, resistive
50x103
250x103
100x103
100x103
Contact Data
Type
Contact arrangement
T92
2 form A (NO)
2 form C (CO)
T92H
2 form A (NO)
1.5HP, 120VAC, 2 pole making/breaking (Fig.1) 100x103
NO
NO
NO
3HP, 240VAC, 3 phase (DC coil only)
3HP, 480VAC, 3 phase (DC coil only)
2HP, 600VAC, 3 phase (DC coil only)
100x103
100x103
100x103
Rated voltage
Max. switching voltage
Rated current
Overload current*
Contact material
277VAC
600VAC
30A/40A NO; 3A NC
60A NO; 4.5A NC
Ag Alloy
50A NO
75A NO
Special Ag Alloy X (Cd Free), wash tight
NO
NO
NO
30A, 250VAC, resistive
30A, 400VAC, resistive
20A, 480VAC, resistive
100x103
100x103
100x103
Min. recommended contact load
500mA (NO), 12VAC or 5VDC
100mA (NC), 12VAC or 5VDC
360 cycles per hour
VDE
Frequency of operation, with load
Operate/release time max.,
including bounce
AgCdO, flange mount relays
NO
NC
CO
20A, 400VAC
3A, 400VAC
20A NO / 3A NC, 400VAC
100x103
30x103
30x103
25/25ms
< 100 mΩ at 6VDC 1A
Initial contact resistance
*Note: Minimum electrical endurance 50 cycles
AgCdO, PC mount relays
NO
NC
CO
30A, 400VAC
3A, 400VAC
30A NO / 3A NC, 400VAC
100x103
30x103
30x103
Contact ratings1) (T92H Type)
UL508
Anti-explosion, sealed type
NO
50A, 277VAC, resistive, 85°C
6x103
NO
30A 250VAC, 25°C
100x103
100x103
Note: Coil voltage 12-48VDC covered in UL approval
Anti-explosion, break device
NO
15A 480VAC
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)
Contact ratings 1) (T92 Type)
Type
UL508
AgCdO
NO
NO
NO
Load
Cycles
40A, 277VAC, resistive
30A, 277VAC, resistive (DC coil only)
30A, 277VAC, resistive (AC coil only)
10A, 600VAC, resistive
1HP, 120VAC
6x103
250×103
100×103
250x103
100x103
1x103
L1
L2
Figure 1
T1
T2
NO
NO
Single Phase Per Pole (Single load per pole)
110 LRA, 18 FLA, 200K operations (DC Coil).
60 LRA, 14 FLA, 200K operations (AC Coil).
NO
NO
NO
NO
NO
NO
3HP, 240VAC
1.5HP, 480 or 600VAC
110LRA/25.3FLA, 240VAC
7.3A, 240VAC, pilot duty
20A, 28VDC, resistive
TV10, 120VAC
100x103
100x103
100x103
100x103
25x103
L1
L2
T1
T2
Figure 2
NC
NC
NC
3A, 277VAC
2A, 480VAC, general purpose
1A, 600VAC
100x103
100x103
100x103
1) Contact ratings at 25°C (unless otherwise noted) with relay properly vented.
FLA, LRA ratings are compatible with 3.5 ton compressor applications.
Mechanical endurance
T92
T92H
10x106 ops.
1x106 ops
1
04-2021, Rev. 0421
Catalog and product specification according
to IEC 61810-1 and to be used only together
with the ‘Definitions’ section.
Catalog and product data is subject to the
terms of the disclaimer and all chapters of
the ‘Definitions’ section, available at
http://relays.te.com/definitions
Catalog product data, ‘Definitions’ section,
application notes and all specifications are
subject to change.
www.te.com
© 2012 Tyco Electronics Corporation,
a TE Connectivity Ltd. company.
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