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
KRPA KRP KA
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.
Coil Data @ 25C
Features
Nominal Power Maximum Power
Industry standard octal-type termination for quick installation.
KRP AC 2VA Enclosed Models - 4VA
Contact arrangements from 1 Form C (SPDT) to 3 Form C (3PDT).
Indicator lamp and push-to-test options available on certain models. KRPA DC 1.2W Enclosed Models - 3W
The KRPA is the automated manufactured version of the KRP.
KA AC 2VA Open Models - 4VA
DC 125mW per movable arm Open Models - 4W
Duty Cycle: Continuous.
Contact Data @ 25C
Initial Insulation Resistance: KRP, KRPA - 1000 Megohms, min.
Arrangements: See Ordering Information Table.
KA - 100 Megohms, min.
Materials: Silver or silver-cadmium oxide, with or without gold flashing.
Expected Life: 10 million operations min., mechanical; 100,000
operations min. @ rated loads. Coil Data @ 25C
Nominal DC Resistance ( ) Nominal Coil
Voltage 10% Current (mA)
KA, KRP, KRPA UL/CSA Contact Ratings @ 25C
Contact Code Arrangement Contact Rating
632 188
12 120 100
Y 1, 2, 3 Poles 5A @ 120VAC
DC 24 472 51
(Silver) 3A @ 240VAC
Coils 48 1,800 26.6
1/10HP @ 120VAC
110 10,000 11.5
1/6HP @ 240VAC
220 Use 110V relay with 10,000 5W Resistor in series
G&N 1, 2, 3 Poles 10A @ 240VAC
6 6 335
(Silver-Cad. 1/2 HP @ 240VAC
AC 12 24 168
Oxide) 1/3HP @ 120VAC
Coils 24 85 84
120 2,250 17.5
240 9,110 8.75
KRP, KRPA Factory Ratings
Contact Code Arrangement Contact Rating
Y 1, 2, 3 Poles 5A @ 28VDC, 120VAC, 80% PF
Operate Data @ 25C
G&N 1, 2, 3 Poles 10A @ 28VDC, 120VAC, 80% PF Must-Operate Voltage:
6A @ 250VAC DC: 75% or less of nominal voltage.
AC: 85% or less of nominal voltage.
Operate Time (Excluding Bounce):
KA UL Contact Ratings
15 milliseconds typical @ nominal voltage.
Release Time (Excluding Bounce):
Contact Code Series Contact Ratings
10 milliseconds typical @ nominal voltage.
1
YKA 5A @ 120VAC, 3A @ 240VAC,
1/10 HP @ 120VAC, 1/6 HP @ 240VAC
2
GKA 10A @ 120VAC, 6A @ 240VAC
Environmental Data
1/6 HP @ 120VAC, 1/3 HP @ 240VAC
Temperature Range:
1
Listed by C.S.A. for 5A @ 120VAC 80% PF
Open Models: AC: -45C to +70C.
2
Listed by C.S.A. for 10A @ 120VAC 80% PF
DC: -45C to +85C.
Note: See KRPA, KRP, KA Ordering Information table.
Enclosed Models: AC: -45C to +55C.
DC: -45C to +70C.
Initial Dielectric Strength Mechanical Data
Between Open Contacts: 500V rms. Termination: Open Models: Solder terminals.
Between All Elements: 1,500V rms. 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 Dimensions are in inches over Specifications and availability www.tycoelectronics.com
reference purposes only. (millimeters) unless otherwise subject to change. Technical support:
737
specified. Refer to inside back cover.Catalog 1308242
PDF Revised 9-03 P&B
Ordering Information
Typical Part No. B KRPA -5 A Y -120
1. Series:
KRPA (Newer version, enclosed)
KRP (Older version, enclosed)
KA (Open style)
2. Contact Arrangement:
5 = 1 Form C (SPDT) 11 = 2 Form C (DPDT) 14 = 3 Form C (3PDT)
3. Coil Input:
A = AC, 50/60 Hz.
D = DC
4. Contact Rating and Indicator Lamp Option:
TYPE KRPA KRP KA
Codes
Y, G, N, Y, G, N, Y, G,
Available
Y = Silver, no indicator lamp
G = Silver-cadmium oxide, no indicator lamp
N = Silver-cadmium oxide, with indicator lamp*
5. Coil Voltage:
Up to 240VAC
Up to 125VDC
*Indicator Lamp not available on 25-90V coils. Only 120-240VAC and 110VDC models are UL recognized and CSA certified.
Our authorized distributors are more likely to stock the following items for immediate delivery.
KA-5AG-120 KRP-11AN-24 KRPA-5AG-120 KRPA-11AY-240 KRPA-14AY-240
KA-5AY-120 KRP-11AN-120 KRPA-11DG-6 KRPA-14DG-12
KRPA-5AY-120
KA-5DG-6 KRP-11AY-120 KRPA-5DG-6 KRPA-11DG-12 KRPA-14DG-24
KA-5DG-12 KRP-11DG-12 KRPA-11DG-24 KRPA-14DG-48
KRPA-5DG-12
KA-5DG-110 KRP-11DG-24 KRPA-5DG-24 KRPA-11DG-48 KRPA-14DG-110
KA-11AG-120 KRP-11DG-48 KRPA-11DG-110 KRPA-14DN-24
KRPA-5DY-12
KA-11AY-6 KRP-11DG-110 KRPA-5DY-24 KRPA-11DN-12 KRPA-14DY-24
KA-11AY-24 KRP-11DG-125 KRPA-11DN-24
KRPA-11AG-6
KA-11AY-120 KRP-11DN-12 KRPA-11AG-12 KRPA-11DN-110
KA-11DG-12 KRP-11DN-24 KRPA-11DY-12
KRPA-11AG-24
KA-11DG-24 KRP-11DY-24 KRPA-11AG-120 KRPA-11DY-24
KA-11DG-110 KRP-14AG-120 KRPA-14AG-12
KRPA-11AG-240
KA-14AG-120 KRP-14AG-240 KRPA-11AN-12 KRPA-14AG-24
KA-14AY-120 KRP-14AN-120 KRPA-14AG-120
KRPA-11AN-24
KA-14DG-24 KRP-14AY-120 KRPA-11AN-120 KRPA-14AG-240
KA-14DG-110 KRP-14DG-12 KRPA-14AN-24
KRPA-11AN-240
KRP-5AG-120 KRP-14DG-24 KRPA-11AY-6 KRPA-14AN-120
KRP-11AG-24 KRP-14DG-110 KRPA-14AN-240
KRPA-11AY-12
KRP-11AG-120 KRP-14DN-24 KRPA-11AY-24 KRPA-14AY-24
KRP-11AG-240 KRPA-5AG-24 KRPA-14AY-120
KRPA-11AY-120
Dimensions are shown for Dimensions are in inches over Specifications and availability www.tycoelectronics.com
reference purposes only. (millimeters) unless otherwise subject to change. Technical support:
738
specified. Refer to inside back cover.