Catalog 1308242
PDF Revised 9-03
P&B
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.
KRPA
KRP
KA
Coil Data @ 25°C
Features
Nominal Power
Maximum Power
• 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.
KRP
KRPA
KA
AC
DC
AC
DC
2VA
1.2W
2VA
Enclosed Models - 4VA
Enclosed Models - 3W
Open Models - 4VA
Open Models - 4W
125mW per movable arm
Duty Cycle: Continuous.
Initial Insulation Resistance: KRP, KRPA - 1000 Megohms, min.
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.
KA - 100 Megohms, min.
Coil Data @ 25°C
Nominal
Voltage
DC Resistance (Ω)
Nominal Coil
Current (mA)
10%
KA, KRP, KRPA
Contact Code
UL/CSA Contact Ratings @ 25°C
Arrangement
Contact Rating
6
12
24
48
110
220
6
12
24
32
120
472
1,800
10,000
188
100
51
26.6
11.5
Y
1, 2, 3 Poles
5A @ 120VAC
3A @ 240VAC
DC
Coils
(Silver)
1/10HP @ 120VAC
1/6HP @ 240VAC
Use 110V relay with 10,000 Ω 5W Resistor in series
G&N
(Silver-Cad.
Oxide)
1, 2, 3 Poles
10A @ 240VAC
1/2 HP @ 240VAC
1/3HP @ 120VAC
6
24
85
335
168
84
AC
Coils
120
240
2,250
9,110
17.5
8.75
KRP, KRPA
Factory Ratings
Contact Code
Arrangement
1, 2, 3 Poles
1, 2, 3 Poles
Contact Rating
Y
5A @ 28VDC, 120VAC, 80% PF
Operate Data @ 25°C
Must-Operate Voltage:
G&N
10A @ 28VDC, 120VAC, 80% PF
6A @ 250VAC
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.
KA UL Contact Ratings
Contact Code
Series
Contact Ratings
1
KA
Y
5A @ 120VAC, 3A @ 240VAC,
1/10 HP @ 120VAC, 1/6 HP @ 240VAC
2
G
KA
10A @ 120VAC, 6A @ 240VAC
1/6 HP @ 120VAC, 1/3 HP @ 240VAC
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.
1
2
Listed by C.S.A. for 5A @ 120VAC 80% PF
Listed by C.S.A. for 10A @ 120VAC 80% PF
Note: See KRPA, KRP, KA Ordering Information table.
Initial Dielectric Strength
Mechanical Data
Between Open Contacts: 500V rms.
Between All Elements: 1,500V rms.
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.
Dimensions are shown for
reference purposes only.
Dimensions are in inches over
(millimeters) unless otherwise
specified.
Specifications and availability
subject to change.
www.tycoelectronics.com
Technical support:
Refer to inside back cover.
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