737
P&B
Dimensions are shown for
reference purposes only.
Dimensions are in inches over
(millimeters) unless otherwise
specified.
Catalog 1308242
PDF Revised 9-03
Specifications and availability
subject to change.
www.tycoelectronics.com
Technical support:
Refer to inside back cover.
Initial Dielectric Strength
Between Open Contacts: 500V rms.
Between All Elements: 1,500V rms.
Features
• Industry standard octal-type termination for quick installation.
• Contact arrangements from 1 Form C (SPDT) to 3 Form C (3PDT).
• Indicator lamp and push-to-test options available on certain models.
• The KRPA is the automated manufactured version of the KRP.
Mechanical Data
Termination: Open Models: Solder terminals.
Enclosed Models: Octal-type plug.
Enclosure: Transparent polycarbonate.
Weight: KA: 1.7 oz. (48.2g) approximately.
KRPA, KRP: 3.0 oz. (85g) approximately.
Environmental Data
Temperature Range:
Open Models: AC: -45°C to +70°C.
DC: -45°C to +85°C.
Enclosed Models: AC: -45°C to +55°C.
DC: -45°C to +70°C.
Operate Data @ 25°C
Must-Operate Voltage:
DC: 75% or less of nominal voltage.
AC: 85% or less of nominal voltage.
Operate Time (Excluding Bounce):
15 milliseconds typical @ nominal voltage.
Release Time (Excluding Bounce):
10 milliseconds typical @ nominal voltage.
KRPA, KRP, KA, KR
series
5 to 10 Amp
General Purpose Relay
File E29244, E22575
File LR15734
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.
Contact Data @ 25°C
Arrangements: See Ordering Information Table.
Materials: Silver or silver-cadmium oxide, with or without gold flashing.
Expected Life: 10 million operations min., mechanical; 100,000
operations min. @ rated loads.
KRPKRPA
KA
Coil Data @ 25°C
Nominal DC Resistance (Ω) Nominal Coil
Voltage ±10% Current (mA)
632 188
12 120 100
DC 24 472 51
Coils 48 1,800 26.6
110 10,0 00 11.5
220
Use 110V relay with 10,000 Ω 5W Resistor in series
6 6 335
AC 12 24 168
Coils 24 85 84
120 2,250 17.5
240 9,110 8.75
Note: See KRPA, KRP, KA Ordering Information table.
KA, KRP, KRPA UL/CSA Contact Ratings @ 25°C
Contact Code Arrangement Contact Rating
Y 1, 2, 3 Poles 5A @ 120VAC
(Silver) 3A @ 240VAC
1/10HP @ 120VAC
1/6HP @ 240VAC
G&N 1, 2, 3 Poles 10A @ 240VAC
(Silver-Cad. 1/2 HP @ 240VAC
Oxide) 1/3HP @ 120VAC
KRP, KRPA Factory Ratings
Contact Code Arrangement Contact Rating
Y 1, 2, 3 Poles 5A @ 28VDC, 120VAC, 80% PF
G&N 1, 2, 3 Poles 10A @ 28VDC, 120VAC, 80% PF
6A @ 250VAC
KA UL Contact Ratings
Contact Code Series Contact Ratings
YKA
1
5A @ 120VAC, 3A @ 240VAC,
1/10 HP @ 120VAC, 1/6 HP @ 240VAC
GKA
2
10A @ 120VAC, 6A @ 240VAC
1/6 HP @ 120VAC, 1/3 HP @ 240VAC
1
Listed by C.S.A. for 5A @ 120VAC 80% PF
2
Listed by C.S.A. for 10A @ 120VAC 80% PF
Coil Data @ 25°C
Nominal Power Maximum Power
KRP AC 2VA Enclosed Models - 4VA
KRPA DC 1.2W Enclosed Models - 3W
KA AC 2VA Open Models - 4VA
DC 125mW per movable arm Open Models - 4W
Duty Cycle: Continuous.
Initial Insulation Resistance: KRP, KRPA - 1000 Megohms, min.
KA - 100 Megohms, min.
