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.
• Hermetically sealed option available with KR UL recognized for Class I
Div. 2 Hazardous locations, Groups A, B, C, D.
Mechanical Data
Open Models: Solder terminals.
Enclosed Models: Octal-type plug.
Enclosures: Transparent polycarbonate (except KR).
Hermetically sealed metal case available with KR only.
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, E81558 (KR Hermetic)
File LR15734
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 10,000 11.5
220 Use 110V relay with 10,000 Ω5W 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, KR-E Ordering Information table on page 106.
KA, KRP, KRPA UL/CSA Contact Ratings @ 25°C
(Except KR)
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
15A @ 120VAC, 3A @ 240VAC,
1/10 HP @ 120VAC, 1/6 HP @ 240VAC
GKA
210A @ 120VAC, 6A @ 240VAC
1/6 HP @ 120VAC, 1/3 HP @ 240VAC
1Listed by C.S.A. for 5A @ 120VAC 80% PF
2Listed by C.S.A. for 10A @ 120VAC 80% PF
KR–E (Herm. Sealed) UL Contact Ratings @ 25°C
Class I, Div. 2, Hazardous Loc.
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. Oxide) 1/6 HP @ 120VAC
KR–E (Herm. Sealed) UL Contact Ratings @ 25°C
UL 508 Industrial Control
Contact Code Arrangement Contact Rating
Y , G 1, 2, 3 Poles 3A @ 120VAC
(Silver) 3A @ 28VDC
1/10HP @ 120VAC
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.
Stock Items – The following items are normally maintained in stock for immediate delivery.
KA-5AG-120
KA-5AY-120
KA-5DG-6
KA-5DG-12
KA-5DG-110
KA-11AG-120
KA-11AY-6
KA-11AY-24
KA-11AY-120
KA-11DG-12
KA-11DG-24
KA-11DG-110
KA-14AG-120
KA-14AY-120
KA-14DG-24
KA-14DG-110
KR-11AE-120
KR-11AGE-120
KR-11DE-24
KR-11DGE-12
KR-11DGE-24
KR-14AGE-120
KR-14DGE-24
KRP-5AG-120
KRP-11AG-24
KRP-11AG-120
KRP-11AG-240
KRP-11AN-24
KRP-11AN-120
KRP-11AY-120
KRP-11DG-12
KRP-11DG-24
KRP-11DG-48
KRP-11DG-110
KRP-11DG-125
KRP-11DN-12
KRP-11DN-24
KRP-11DY-24
KRP-14AG-120
KRP-14AG-240
KRP-14AN-120
KRP-14AY-120
KRP-14DG-12
KRP-14DG-24
KRP-14DG-110
KRP-14DN-24
KRPA-5AG-24
KRPA-5AG-120
KRPA-5AY-120
KRPA-5DG-6
KRPA-5DG-12
KRPA-5DG-24
KRPA-5DY-12
KRPA-5DY-24
KRPA-11AG-6
KRPA-11AG-12
KRPA-11AG-24
KRPA-11AG-120
KRPA-11AG-240
KRPA-11AN-12
KRPA-11AN-24
KRPA-11AN-120
KRPA-11AN-240
KRPA-11AY-6
KRPA-11AY-12
KRPA-11AY-24
KRPA-11AY-120
KRPA-11AY-240
KRPA-11DG-6
KRPA-11DG-12
KRPA-11DG-24
KRPA-11DG-48
KRPA-11DG-110
KRPA-11DN-12
KRPA-11DN-24
KRPA-11DN-110
KRPA-11DY-12
KRPA-11DY-24
KRPA-14AG-12
KRPA-14AG-24
KRPA-14AG-120
KRPA-14AG-240
KRPA-14AN-24
KRPA-14AN-120
KRPA-14AN-240
KRPA-14AY-24
KRPA-14AY-120
KRPA-14AY-240
KRPA-14DG-12
KRPA-14DG-24
KRPA-14DG-48
KRPA-14DG-110
KRPA-14DN-24
KRPA-14DY-24
Ordering Information
Typical Part No. BKRPA -5 A Y -120
1. Series:
KRPA (Newer version, enclosed)
KRP (Older version, enclosed)
KR (Hermetically sealed option ‘E’only)
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 KR KA
Codes Y, G, N, Y, G, N, Y, G, Y, G,
Available
Leave Blank = Silver, no indicator lamp for hermetically sealed KR (option E below).
Y = Silver, no indicator lamp
G = Silver-cadmium oxide, no indicator lamp
N = Silver-cadmium oxide, with indicator lamp*
5. Options:
Leave Blank = No options (except KR).
E = Hermetically Sealed Option (KR only).
6. 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.
Coil Data @ 25°C
See chart on page 105.
Nominal Power: DC Coils: 1.2W
AC Coils: 2.0VA
Initial Insulation Resistance: 1,000 megohms.
Environmental Data
Temperature Range: Enclosed Models: AC: -45°C to +55°C.
DC: -45°C to +70°C.
Operate Data @ 25°C
Must-Operate Voltage: DC: 75% of nominal voltage.
AC: 85% of nominal voltage.
Operate Time: 15 milliseconds approximate (Excluding Bounce).
Release Time: 10 milliseconds approximate (Excluding Bounce).
Mechanical Data
Mounting: Socket mounting.
Termination: Octal-type plug.
Enclosure: Polycarbonate enclosure with octal-type mounting.
Weight: 2 oz. (57g) approximately.
Initial Dielectric Strength
Between Open Contacts: 500V rms, 60 Hz. between all elements.
Features
• 1 Form X (SPST - NO - DM) contact rating of 20A.
• Heavy copper alloy movable contact arms.
• Twin silver-cadmium oxide contacts.
• Many uses in automation controls and other applications requiring high
current switching.
KRP-3-H series
20 Amp
Small AC or DC Relays
File E22575
Contact Data @ 25°C
Arrangement: 1 Form X (SPST - NO - DM).
Ratings: UL Rating: 20A @ 120VAC, 3/4 HP @ 120VAC.
Factory Rating: 20A @ 120VAC, 80% PF; 1 HP @
120/240VAC.
Material: Twin, silver-cadmium oxide.
Expected Life: 2.5 million operations min., mechanical. 100,000
operations at rated contact load.
KRP-3-H
Stock Items
Ordering Information
KRP-3AH-120
KRP-3DH-24
KRP-5AG-120
Typical Part No. BKR P -3 D H -12
1. Basic Series: KR
2. Type:
P = Enclosed
(20 amp models available only with Contact Arrangement 3 and Material H.)
3. Contact Arrangement:
3 = 1 Form X (SPST - NO - DM)
4. Coil Input:
A = AC
D = DC
5. Contact Material & Rating:
H = Silver-cadmium oxide, 1/4" (6.35mm) dia., 20 amps.
6. Coil Voltage:
To 240VAC, 50/60 Hz. or 110VDC.
Outline Dimensions
KA Series
For KRPA and KRP
Octal Plug
For KRP3-H
KA KR5
KAP5
KRP5
KRPA5
KR11
KAP11
KRP11
KRPA11
KR14*
KAP14
KRP14
KRPA14
KRP3AH
*The hermetically sealed KR14
has pins 5 and 6 reversed.
Durable stainless steel
spring can be moved
aside for relay removal or
installation. Mounts with
same machine screws or
rivets that secure socket
to chassis. Two .156"
(3.96mm) dia. holes
required.
Hermetically Sealed Enclosure
(KR only)
Type “P” Clear Dust Cover
Tolerances on .XX Decimals ± .02 (± .5) Unless Otherwise Specified
Tolerances on .XXX Decimals ± .005 (± .13) Unless Otherwise Specified
.25
(6.4)
.44
(11.2) 1.06 MAX.
(26.9)
1.468 MAX.
(37.29)
1 STUD
#6-32
THREAD .15
(3.8) .312
(7.92)
1.375 MAX.
(34.93)
1.92 MAX.
(48.8)
1.406 MAX.
(35.71)
2.0 MAX.
(50.8)
1.406 MAX.
(35.71)
1.531 MAX.
(38.89)
2.281 MAX.
(57.94)
1.406 MAX.
(35.71)
.031
(.79)
1.437
(36.50)
1.656
(53.98)
Height: 2.125" (53.98mm) max.
20C176 KRPA & KRP
20C206 KAP and KRP3
Wiring Diagrams (Bottom Views)
KR Series Enclosures
Hold-Down Spring
12
3
4
5
6
781
2
3
4
5
6
7
8
23
4
5
6
7
8
9
10 11
11
2
3
45
6
78
.580
(14.73)
2.010
(51.05)
.970
(24.64)
1.295
(32.89)
1.005
(25.53)
.312 TYP.
(7.92)
.165
(4.19)
DIA.TYP.
87
6
5
4
3
21
1.575
(40.01)
The following sockets are normally maintained in stock for immediate delivery.
Sockets have M3.5 screw terminals which accept up to two #12 AWG
wires. Rated 10 amps @ 300VAC and meets UL 94V-0.
27E122
10A, 300VAC
8-pin
27E123
10A, 300VAC
11-pin
Terminal
Location
27E891
10A, 300VAC Terminal
Location
Screw Terminal, DIN Rail Snap-Mount Sockets
(Use with mounting track 24A110)
Screw Terminal Sockets
Top View Top View
27E892
10A, 300VAC
Terminal
Location Terminal
Location
.580
(14.73)
.970
(24.64)
.312 TYP.
(7.92)
.165
(4.19)
DIA.TYP 8
7
6
5
4
321
2.332
(59.22) .770
(19.56)
2.035
(51.69)
2.060
(52.32)
1.018
(25.84)
11 10 9
1.188
(30.18)
.648
(16.46)
.781
(19.84)
.093
(2.36)
.156 TYP.
(3.96)
.210 TYP.
(5.33)
1.572 MAX.
(39.93) = 6-32 SCREWS &
CAPTIVE W ASHERS
1.296
(32.92)
2.385 MAX.
(60.58)
.062
(1.57)
¢
.925 MAX.
(23.50)
¢
1.188
(30.18)
1.030
(26.16)
.648
(16.46)
1.156
(29.36) .093
(2.36)
++
.156 TYP.
(3.96)
.210 TYP.
(5.33)
2.322 MAX.
(58.98) = 6-32 SCREWS &
CAPTIVE W ASHERS
2.060
(52.32)
1.296
(32.92)
2.385 MAX.
(60.58)
.156 DIA. TYP.
(3.96) .062
(1.57)
¢
.925 MAX.
(23.50)
6543
7812
87 65
4
910
11 2 31
Sockets For KRP, KRPA Series Relays
Specifications and availability subject to change without notice.
13C5272 Printed in U.S.A. IH/3-00
Tyco Electronics Corporation - P&B, Winston-Salem, NC 27102
Technical Support Center: 1-800-522-6752, www.pandbrelay s.com
