1
187 series
20-25 Amp Power Relays
File E38802
F
ile LR54109
U
sers should thoroughly review the technical data before selecting a product
p
art number. It is recommended that users also seek out the pertinent approvals
f
iles of the agencies/laboratories and review them to confirm the product meets
t
he requirements for a given application.
Features
• AC coils 6-240VAC 50/60 Hz., DC 6-110VDC.
•
One or two pole models with single or double throw contacts.
•
187 relays with 2 form A or 2 form B contacts are rated 25 amps;
187 relays with other contact arrangements are rated 20 amps.
• .250" combination quick connect/solder terminals or PC terminals.
•
Various mounting options include stud, core, bracket, flange, PC board.
• Open-style relay or with dust cover.
Contact Data @ 25°C
A
rrangements: 1 Form X (SPST-NO-DM), 1 Form Y (SPST-NC-DB),
2 Form C (DPDT), 2 Form A (DPST-NO) and 2 Form B (DPST-NC).
Material: Silver-cadmium oxide, .25” (6.5mm) dia. or
Fine silver, .187” (4.75mm) dia.
Expected Mechanical Life: 10 million operations.
Initial Contact Resistance: 50 milliohms.
Coil Data @ 25°C
Voltage: 6-110VDC and 6-240VAC.
Nominal Power:
DC Coils: 1.2 Watts.
AC Coils: 3.0VA.
Duty Cycle: Continuous at up to 25% overvoltage.
Initial Insulation Resistance: 1,000 megohms, min. @ 500VDC
Insulation: Class B, 130°C.
Initial Dielectric Strength
Between Open Contacts: >75 0V rms, 60 Hz.
Between All Other Mutually Isolated Elements: >2,500V rms, 60 Hz.
Operate Data @ 25°C
Must Operate Voltage:
DC Coils: 75% of nominal.
AC Coils: 85% of nominal.
Operate Time (Excluding Bounce): 20 milliseconds, max, at nominal
voltage, no coil suppression.
Release Time (Excluding Bounce): 10 milliseconds, max, at nominal
voltage, no coil suppression.
Environmental Data
Temperature Range (50/60 Hz operation, based on 105°C limit):
Operating
AC Coils: -45°C to +60°C for open models.
-45°C to +45°C for enclosed models.
DC Coils: -45°C to +80°C for open models.
-45°C to +70°C for enclosed models.
Storage
All: -65°C to +100°C.
Shock: 15g’s, 11 ± 1 ms (non-operating, no mechanical damage).
Vibration: .1" double amplitude or 10 g’s, 10-55 Hz. (operating, no contact
chatter).
Mechanical Data
Termination: .250" quick connect/solder; and PC board.
Enclosure: Open or polycarbonate dust cover.
Weight: 3 oz. (86g) approximately.
Coil Data
D
C Must
N
ominal Resistance Operate
V
oltage in Ohms Voltage
± 10%
6 32 4.5
DC 12 120 9.0
Coils 24 470 18.0
48 1,800 36.0
110 11,000 82.5
6 4.2 5.1
AC 12 18 10.2
Coils 24 72 20.4
120 1,700 102.0
208 5,400 176.8
240 7,200 204.0
Contact Ratings
Contact Code UL Ratings Expected
& Description Life
-200 20A @ 120/240VAC 100,000
1/4“ (6.25 mm) Dia. 10A @ 480/600VAC ops.
Silver Cadmium 3/4 HP @ 120VAC,
Oxide 1 1/2 HP @ 240VAC
2 HP @ 208/277VAC*
17FLA, 65LRA @ 300VAC
20A @ 28VDC
-500 5A @ 120/240VAC 100,000
3/16“ (4.75 mm) Dia. 2A @ 480/600VAC ops.
Fine Silver 1/8 HP @ 120VAC,
1/4 HP @ 240VAC
2A (7.2A inrush) @ 24VAC
5A @ 28VDC
-600 25A @ 120/240VAC 100,000
1/4“ (6.25 mm) Dia. 10A @ 480/600VAC ops.
Silver Cadmium 3/4 HP @ 120VAC,
Oxide 1 1/2 HP @ 240VAC
2 HP @ 208/277VAC*
17FLA, 65LRA @ 300VAC
*2 HP rating at reduced electrical life, consult factory.
Issued 5-10
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
UK: 44-8706-080208
USA: 1-800-522-6752
Canada: 1-905-470-4425
Mexico: 01-800-733-8926
C. America: 52-55-1106-0803
Coil Data @ 25°C (continued)
Temperature Rise:
AC Coils:
N
ominal Voltage: 35°C for open models.
4
5°C for enclosed models.
2
5% Overvoltage: 55°C for open models.
6
5°C for enclosed models.
DC Coils:
Nominal Voltage: 35°C for open models.
40°C for enclosed models.
2
5% Overvoltage: 50°C for open models.
55°C for enclosed models.
