Signal Relays
Potter & Brumfield
T81 Series Signal PCB Relay
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Au clad contacts in a 1 Form C (CO) arrangement
Standard 0.1” (2.54mm) grid spacing in a DIP configuration
Standard or sensitive DC coils through 24 volts
High dielectric strength
Wash tight case
Quiet operation for security applications
Typical applications
Audio communications circuits, logic and process control, vending
machines, thermostats, office automation
U C
Approvals
UL E29244, CSA LR48471
Technical data of approved types on request
Coil Data (continued)
Coil versions, DC coil
Coil
code
Rated
voltage
VDC
Operate
voltage
VDC
Release
voltage
VDC
Coil
resistance
Ω 10ꢀ
Rated coil
power
mW
Contact Data
Contact arrangement
Rated voltage
1formC(CO)
24VDC, 120VAC
60VDC, 125VAC
1A
Standard coil, 450mW
Max. switching voltage
Rated current
Limiting continuous current
Switching power
Contact material
Contact style
Min. recommended contact load
Initial contact resistance
Frequency of operation
Operate/release time max.
standard coil
05
06
09
12
24
5
6
9
12
24
3.5
4.2
6.3
8.4
16.8
0.25
0.3
0.45
0.6
55
80
180
320
1280
450
450
450
450
450
2A
120VA, 30W
Au overlay AgPd alloy
single contact
1mA at 1VDC
50mΩ at 100mA, 6VDC
72000 ops/h
1.2
Sensitive coil, 200mW
05
06
09
12
24
5
6
9
12
24
3.75
4.5
6.75
9.0
0.5
0.6
0.9
1.2
2.4
125
180
400
700
2800
200
200
200
200
200
5/7ms
10/7ms
18.0
All figures are given for coil without preenergization, at ambient temperature +23°C.
sensitive coil
Electrical endurance
1A, 120VAC, resistive
1A, 24VDC, resistive
Contact ratings
100x103 ops.
100x103 ops.
1A, 120VAC/24VDC, resistive
2A, 125VAC/30VDC, resistive (NO)
10x106 ops.
Insulation Data
Initial dielectric strength
between open contacts
between contact and coil
Initial surge withstand voltage
Initial insulation resistance
between insulated elements
Clearance/creepage
500Vrms
1000Vrms
1500Vrms (10/160μs)
Mechanical endurance
109Ω
Coil Data
Magnetic system
Coil voltage range
Max. coil temperature
neutral
5 to 24VDC
105°C
between contact and coil
1.5/1.76mm
Electrical endurance
Operate time
Coil temperature rise
100
12
60
10
50
40
24VDC Resistive
8
120VAC Resistive
10
30
20
10
6
4
2
Operate Time
Release Time
0.3 0.4 0.5
Coil Powe r (W)
1
0.2
0.2
0.4
0.6
0.8
1.0
1.2
0.1
0.3
0.4
0.5
0.6 0.7
0.2
0.1
0.6 0.7
Contact Current (A)
Coil Powe r (W)
1
04-2011, Rev. 0411
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© 2011 Tyco Electronics Corporation,
a TE Connectivity Ltd. company
Datasheets and product specification
according to IEC 61810-1 and to be used
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Datasheets, product data, ‘Definitions’ sec-
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are subject to change.