SCHRACK General Purpose Relays
PTHseries
6 to 12 Amp Miniature Relay
2 or 4 Pole, PCB or Plug-in
File E58304
File R50072981
File 05001013007
Users should thoroughly review the technical data before selecting a
product part number. It is recommended that users 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.
Insulation
Features
Material Group of Insulation Parts: IIIa.
Insulation to IEC 60664-1
Type of insulation coil-contact circuit: Basic.
Type of insulation open contact circuit: Functional.
Type of insulation adjacent contact circuits: Basic.
Rated Insulation Voltage: 250V.
• Sensitive coil (750mW / 0.85VA).
• 2 Form C and 4 Form C contacts rated 12A and 6A, respectively.
• Advanced design has no braided wire, no welds or solder joints in the
contact area and fewer parts for enhanced reliability.
• AC and DC coils.
• Optional integral LED (green for DC coil, red for AC coil), protection
diode, resistor-capacitor network available.
• Mounted height is approximately 1.42 in (36 mm).
• Environmentally friendly, cadmium-free contacts.
Pollution Degree: 2.
Overvoltage Category: III.
Coil Data @ 23°C
Contact Data
Voltage: 6 to 220VDC; 6 to 230VAC; others upon request.
Nominal Coil Power: 750mW; 1.0VA @ 50 Hz. / 0.86VA @ 60 Hz.
Operate Category: 2/b.
Arrangements: 2 Form C (DPDT) and 4 Form C (4PDT).
Type of Contact: Single contact.
Material: Silver-nickel.
Operating Range for AC Coil:
Maximum Switching Rate: 600 ops./min. (no load).
6 ops./min. (minimum load).
Expected Mechanical Life: DC coil 30 million operations minimum.
AC coil 20 million operations minimum.
50Hz at 70°C: 90-110ꢀ.
60Hz at 70°C: 100-120ꢀ.
Expected Electrical Life: See “cycles” data in ratings table.
Minimum Load: 12V, 10mA.
DC Coil Data @ 23°C
Must
Operate
Voltage
VDC
Nominal
Coil
Current
(mA)
Ratings:
Nominal
Voltage
VDC
DC
Resistance
in Ohms
Drop-out
Voltage
VDC
2 Form C
4 Form C
Rated Current
Rated Voltage
Maximum Switching Voltage
Maximum Make Current
Maximum Breaking Capacity AC
12A
6A
250VAC
440VAC
24A
250VAC
250VAC
12A
6
12
48 10ꢀ
192 10ꢀ
777 10ꢀ
4.5
9.0
18.0
36.0
45.0
82.5
165.0
0.6
1.2
125.0
62.5
30.8
15.6
12.4
6.8
24
2.4
3,000VA
1,500VA
48
3,072 10ꢀ
4,845 12ꢀ
16,133 15ꢀ
64,533 15ꢀ
4.8
60
6.0
110
220
11.0
22.0
Type & Coil
Load
Cycles
Agency
3.4
2 Pole Models
PT22A (DC/AC)
PT22A (DC/AC)
PT22A (DC)
PT22A (AC, 50 Hz.)
PT22A (AC, 60 Hz.)
12A, 250VAC, Form A
12A, 250VAC, Form B
12A, 250VAC, Form C
12A, 250VAC, Form C
12A, 250VAC, Form C
100,000
100,000
50,000
70,000
30,000
UL
UL
TUV
TUV
TUV
AC Coil Data @ 23°C
Must
Operate
Drop-out
Voltage
VAC
Nominal
Coil
Nominal
Voltage
VAC
DC
Resistance Voltage (VAC)
Current (mA)
4 Pole Models
in Ohms
50 Hz / 60 Hz 50/60 Hz 50 Hz / 60 Hz
PT52A (DC/AC)
PT52A (DC/AC)
PT52A (DC)
PT52A (AC, 50 Hz.)
PT52A (AC, 60 Hz.)
6A, 250VAC, Form A
6A, 250VAC, Form B
6A, 250VAC, Form C
6A, 250VAC, Form C
6A, 250VAC, Form C
100,000
100,000
100,000
100,000
50,000
UL
UL
TUV
TUV
TUV
6
12
11 10ꢀ
48 10ꢀ
4.8 / 5.4
9.6 / 10.8
1.8
3.6
166.5 / 141
83.3 / 70.5
41.6 / 33.0
21.3 / 18.2
16.7 / 14.5
10.2 / 8.7
8.8 / 7.5
24
192 10ꢀ
19.2 / 21.6
38.4 / 43.2
48.0 / 54.0
80.0 / 90.0
92.0 / 103.5
160.0 / 180.0
184.0 / 207.0
7.2
48
60
100
115
200
230
777 10ꢀ
14.4
18.0
30.0
34.5
60.0
69.0
1,306 10ꢀ
3,550 12ꢀ
4,845 12ꢀ
13,800 15ꢀ
19,465 10ꢀ
Initial Dielectric Strength
Between Open Contacts: 1,200Vrms.
Between Coil and Contacts: 2,500Vrms.
5.0 / 4.5
4.3 / 3.9
Between Poles: 2 Pole Types: 2,500Vrms, 4 Pole Types: 2,000VAC.
Clearance/Creepage: 2 Pole Types: 3/4mm, 4 Pole Types: 1.8/3mm.
Values in coil tables above are given for coil without pre-energization.
1
Issued 1-08
www.tycoelectronics.com
Dimensions are in inches over
(millimeters) unless otherwise
specified.
Dimensions are shown for reference
purposes only. Specifications and
availability subject to change.
South America: 55-11-2103-6000
Hong Kong: 852-2735-1628
Japan: 81-44-844-8013
USA: 1-800-522-6752
Canada: 1-905-470-4425
Mexico: 01-800-733-8926
C. America: 52-55-1106-0803
UK: 44-8706-080208
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