General Purpose Relays
Power Relays
Potter & Brumfield
T90 Series, 30A PCB Relay
n
n
n
n
30A, 1 Form A (NO); 20A, 1 Form C (CO)
Available as open frame or sealed construction
Meets UL 508 and 873 Spacing - 3.18 through air, 6.36 over surface
UL class F insulation system standard
Typical applications
HVAC, Appliances, Industrial Controls
Approvals
UL E22575; CSA LR15734
Technical data of approved types on request
Coil Data
Coil voltage range
5 to 110VDC
1.0W
Max. coil power
Max. coil temperature
Coil insulation system according UL
155°C
Class F
Contact Data
Contact arrangement
Rated voltage
1 form A (NO), 1 form B (NC), 1 form C (CO)
277VAC
Coil versions, DC coil
Max. switching voltage
Rated current
Limiting continuous current
Limiting making current
Limiting breaking current
Contact material
Min. recommended contact load
Initial contact resistance
Frequency of operation, with load
277VAC
30A
30A
30A
30A
AgCdO
Coil
code
Rated
voltage
VDC
5
6
9
12
18
24
48
Operate
voltage
VDC
3.75
4.5
6.75
9
13.5
18
36
Release
voltage
VDC
0.5
0.6
0.9
1.2
1.8
2.4
4.8
Coil
resistance
Ω 10ꢀ
27
40
97
155
380
660
2560
13450
Rated coil
power
wW
5
6
9
12
18
24
48
110
900
900
900
900
900
900
900
900
1A, 5VDC or 12VAC
75 mΩ at 1A at 5VDC or 12VAC
360hr
Operate/release time max., including bounce
15/15ms
110
82.5
11
All figures are given for coil without preenergization, at ambient temperature +23°C.
Contact ratings
Type
Typical
AgCdO, open style relay
NO
NO
CO
CO
Load
Cycles
Ambient temperature vs. coil voltage – 1W coil
130
Open Style Relay, No Dust Cover
120
30A, 240VAC, general purpose
20A, 240VAC, resistive heater
20A/10A, 240VAC, general purpose
20A/10A, 28VDC, resistive
100x103
100x103
100x103
100x103
110
100
90
80
UL 508/873
AgCdO
NO
NC
CO
NO
NC
CO
NO
NC
CO
NO
NO
NC
NO
NC
NO
70
30A Load
60
30A, 240VAC, general purpose
15A, 240VAC, general purpose
20A/10A, 240VAC, general purpose
20A, 240VAC, resistive
15A, 240VAC, resistive
20A/10A, 240VAC, resistive
80LRA/30FLA, 240VAC
30LRA/10FLA, 240VAC
53.6LRA/20FLA / 20LRA/6.7FLA, 240VAC
98LRA/22FLA, 120VAC
2HP, 240VAC
100x103
100x103
100x103
100x103
100x103
100x103
30x103
30x103
100x103
100x103
1x103
25A Load
50
40
30
20
20A Load
15A Load
10A Load
0A Load
50
75
100
125
150
175
200
225
Applied Continuous Coil Voltage (% of Rated Voltage)
150
140
130
120
110
100
90
Wash Tight Relay, Vented
1/2HP, 240VAC
1HP, 120VAC
1/4HP, 120VAC
6A, 277VAC, ballast
1x103
80
1x103
70
30A Load
60
1x103
25A Load
20A Load
50
100x103
6x103
40
15A Load
10A Load
0A Load
NC
NO
NC
NO
3A, 277VAC, ballast
30
TV5, 240VAC, tungsten
TV3, 240VAC, tungsten
20A, 28VDC, resistive
10A, 28VDC, resistive
6x103
20
50
75
100
125
150
175
200
225
6x103
Applied Continuous Coil Voltage (% of Rated Voltage)
100x103
100x103
Data graphed above are average values and should be verified in application. Tests were
conducted within a 2’ (.6m) cube (still air); at nominal coil power @ 25°C; with normally
open contact loaded; and with 4’ (1.22m) long, #10AWG load wires. P.C. board relays were
mounted to a 30A, single side P.C. board. Coil rise test conducted with a 30A PC board
to maintain 20°C max. rise at 30°C. The relay connections and wiring must be designed
with an adequate cross section to ensure proper current flow and heat dissipation. After
cleaning process knock-off nib should be removed for optimum life of wash-tight relays.
NC
All ratings at 25°C (unless otherwise noted) with relay properly vented. Remove vent nib
from enclosed relays after soldering and cleaning for optimum life.
Mechanical endurance
10x106 ops.
1
08-2011, Rev. 0811
Datasheets and product specification
according to IEC 61810-1 and to be used
only together with the ‘Definitions’ section.
Datasheets 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
Datasheets, product data, ‘Definitions’ sec-
tion, application notes and all specifications
are subject to change.
www.te.com
© 2011 Tyco Electronics Corporation,
a TE Connectivity Ltd. company
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