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09-2010, Rev. 0910
2010 Tyco Electronics Ltd.
Datasheets and product specification ac-
cording 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
Datasheets, product data, ‘Definitions’ sec-
tion, application notes and all specifications
are subject to change.
1
Potter & Brumfield
General Purpose Relays
PCB Relays
Low profile, PCB Relay T75 Series
n
1 pole 8A, 1 form C (CO) or 1 form A (NO) contact
n
4kV/8mm coil-contact
n
Reinforced insulation (protection classII)
n
Ambient temperature up to 85°C at 8A
n
Plastic materials according to IEC60335-1 (domestic appliances)
Typical applications
HVAC,security and industrial control, domestic appliances
Approvals
VDE REG.-Nr 3919, cULus E214024
Technical data of approved types on request
Contact Data
Contact arrangement
1 form C (CO) or 1 form A (NO)
Rated voltage
250VAC
Max. switching voltage
400VAC
Rated current
8A
Limiting making current, max 4s, df 10%
15A
Breaking capacity max.
2000VA
Contact material
AgCdO
Min. recommended contact load
100mA at 12VDC
Minimum switching voltage
5VDC
Initial contact resistance
100mΩ at 100mA, 12VDC
Frequency of operation, with/without load
6/1200min-1
Operate/release time max.
10/5ms
Bounce time max., form A/form B
3/10ms
Electrical endurance
Type
Contact
Load
Cycles
T75
8Arms, 240VAC, resistive
100x103
T75
A (NO)
14Arms, 120VAC, resistive
50x103
T75
B (NC)
5Arms, 120VAC, resistive
50x103
T75
7.2 FLA / 45 LRA, 120 VAC
30x103
T75
5 FLA / 30 LRA, 240 VAC
10x103
Contact ratings
Type
Contact
Load
Cycles
T75
A (NO)
TV4, Tungsten, 120VAC, 40°C
25x103
T75
C (CO)
10A, 240VAC, general purpose, 40°C
6x103
T75
C (CO)
8A, 24VDC, general purpose, 40°C
100x103
T75
C (CO)
1/3HP, 120VAC, 40°C
30x103
T75
C (CO)
1/2HP, 240VAC, 40°C
30x103
Mechanical endurance, DC coil
10x106 operations
Coil Data
Coil voltage range
3 to 60VDC
Operative range, IEC 61810
2
Coil insulation system according UL
classA
Coil versions, DC coil
Coil
Rated
Operate
Release
Coil
Rated coil
code
voltage
resistance
power
VDC
±10%1)
mW
03
3
2.1
0.3
40
225
05
5
3.4
0.5
118
212
06
6
4.1
0.6
165
218
09
9
6.1
0.9
364
223
12
8.2
1.2
652
221
24
16.3
2.4
2270
254
48
32.6
4.8
8790
262
60
40.8
6.0
152651)
236
1) Coil resistance ±15%
All figures are given for coil without pre-energization, at ambient temperature +23°C
Other coil voltages on request
Insulation Data
Initial dielectric strength
between open contacts
1000Vrms
between contact and coil
4000Vrms
Clearance/creepage
between contact and coil
≥8/8mm
Material group of insulation parts
IIIa
Z
V
414
Dimensions are shown for
reference purposes only.
Dimensions are in inches over
(millimeters) unless otherwise
specified.
Specifications and availability
subject to change.
P&B
Catalog 1308242
Issued 3-03 (PDF Revised 8-06)
www.tycoelectronics.com
Technical support:
Refer to inside back cover.
File E29244
File No. 3919
Sensitive, Low Profile, Hi-Current
Relay Designed to Meet
International Standards
Mechanical Data
Termination: Printed circuit terminals.
Enclosures: Wash tight (washable) case.
Weight: 0.39 oz. (11.0g) approximately.
Initial Dielectric Strength
Between Open Contacts: 1,000V rms.
Between Contacts and Coil: 4,000V rms, 8mm.
T75 series
10 Amp, PC Board
Miniature Relay
Coil Data
Voltage: 3 to 60VDC.
Maximum Power @ 23
°C: 1W.
Nominal Power @ 23
°C: 230mW, typ.
Temperature Rise: 85C
° per Watt.
Duty Cycle: Continuous.
Operate Data @ 23
°C
Must Operate Voltage: 70% of nom. voltage or less.
Must Release Voltage: 10% of nom. voltage or more.
Operate Time (Excluding Bounce): 6 ms, typ., at nom. voltage.
Release Time (Excluding Bounce): 2.5 ms, typ., at nom. voltage.
Maximum Switching Rate: 20 operations/second.
Maximum Continuous Operating Voltage: 225% of nom. voltage.
Coil Data
Features
High sensitivity – nominal coil power requirement is as low as 212mW.
Low profile, .591 in. (15mm) tall case uses only .465 in2 (3cm2) of area on the
printed circuit board, permitting high density circuit design.
Power switching capability – contacts rated 10 amps in 1 Form A (SPST-NO) or 1
Form C (SPDT) arrangements.
Designed to meet UL, CSA, VDE, SEMKO and SEV requirements.
Designed to meet VDE 8mm spacing, 4kV dielectric, coil to contacts.
Designed to meet 3 mm creepage between contacts.
Conforms to: VDE 0110 – Insulation Group C (250V)
VDE 435 Part 201 – High current applications
VDE 0804 – Telecommunications equipment
VDE 0631 – Temperature controllers and limiters
VDE 0700 – Household appliances
VDE 0805/5.90 – Office machines
Wash tight (washable).
Well suited for a broad range of applications e.g. HVAC, appliances,
security and industrial control.
Contact Ratings @ 25
°C with relay properly vented.
Remove vent nib after soldering and cleaning.
Arrangements: 1 Form A (SPST-NO) and 1 Form C (SPDT).
Material: Silver-cadmium oxide.
Expected Mechanical Life: 10 million operations.
Expected Electrical Life:
100,000 operations at 8 amps, 240VAC.
50,000 operations at 14 amps NO / 5 amps NC, 120VAC Res.
30,000 operations at 7.2 FLA, 45 LRA, 120VAC.
10,000 operations at 5 FLA, 30 LRA, 240VAC.
30,000 operations at B300 pilot duty (360VA, 240VAC; 470VA, 120VAC).
Contact Ratings (See Figure 1):
Maximum Switched Voltage: 380VAC.
Maximum Switched Current: 14/5 (N.O./N.C.) amps, AC resistive;
8 amps DC (see Fig. 1)
Maximum Switched Power: 200W, DC; 2,000VA, AC.
Minimum Required Contact Load: 12V, 100mA.
VDE Contact Ratings: 8 amps, 250VAC.
UL Contact Ratings: 10 amps, 240VAC; 8 amps 24VDC;
1/3 HP, 120VAC; 1/2 HP, 240VAC.
.1
1
10
100
10
100
20
0W
100
W
S
witc
V
oltag
e(VDC)
200
300
50
40
20
25
W
Switching Current (Amps DC)
50
W
ENVIRONMENTAL DATA
Temperature Range
Storage: -40
°C to +130°C.
Operating: -40
°C to +85°C.
DC
Must
Nominal
Resistance
Operate
Coil
Voltage
in Ohms
Voltage
Current
±10%
(mA)
3
40
2.1
75.0
5
118
3.4
42.4
6
165
4.1
36.4
DC
9
365
6.1
24.7
Coils
12
650
8.2
18.5
18
1,455
12.3
12.4
24
2,270
16.3
10.6
36
5,460
24.5
6.4
48
8,790
32.6
5.5
60
15,265
40.8
3.9
Figure 1 - DC Switching Load Limit Curve
Users should thoroughly review the technical data before selecting a product part number. It
is recommended that user also seek out the pertinent approvals files of the agencies/
laboratories and review them to ensure the product meets the requirements for a given
application.