General Purpose Relays
Industrial Relays
KRP-3_H Series Panel Plug-in Relay
08-2011, Rev. 0811
www.te.com
© 2011 Tyco Electronics Corporation,
a TE Connectivity Ltd. company
Datasheets and product specification
according to IEC 61810-1 and to be used
only together with the ‘Definitions’ section.
Datasheets and product data is subject to the
terms of the disclaimer and all chapters of
the ‘Definitions’ section, available at
http://relays.te.com/definitions
Datasheets, product data, ‘Definitions’ sec-
tion, application notes and all specifications
are subject to change.
1
Potter & Brumfield
Insulation Data
Initial dielectric strength
between open contacts 500Vrms
between contact and coil 500Vrms
between adjacent contacts 500Vrms
Initial insulation resistance
between insulated elements 100MΩ at 500VDC
Other Data
Material compliance: EU RoHS/ELV, China RoHS, REACH, Halogen content
refer to the Product Compliance Support Center at
www.te.com/customersupport/rohssupportcenter
Ambient temperature
DC coil -45ºC to 70ºC
AC coil -45ºC to 55ºC
Category of environmental protection
IEC 61810 RTI - dust protected
Terminal type Octal plug
Weight 57g
Packaging/unit tray/25 pcs., box/150pcs.
Accessories
For details see datasheet Sockets and Accessories, KRP Relays
Product Code Description
27E891 DIN socket (use 20C203 clip)
27E122 Track mount socket (use 20C203 clip)
n 20 amp capability
n Contact arrangement of 1 Form X (SPST - NO-DM)
n Heavy copper alloy movable contact arms
n Twin silver-cadmium oxide contacts
Typical applications
Automation controls, high current switching
Approvals
UL E22575
Technical data of approved types on request
Contact Data
Contact arrangement 1 form X (NO-DM)
Rated voltage 120VAC
Rated current 20A
Contact material AgCdO
Min. recommended contact load 300mA, 12VDC
Initial contact resistance 200mΩ
Frequency of operation 360 ops./hour
Operate/release time max. 15/10ms
Contacts ratings
Type Load Cycles
UL 508
1 pole, AgCdO
20A, 120VAC
3/4HP, 120VAC
Mechanical endurance 2.5x106 ops.
Coil Data
Coil voltage range 6 to 110VDC
6 to 240VAC
Coil versions, DC coil
Coil Rated Operate Coil Rated coil
code voltage voltage resistance power
VDC VDC Ω±10% W
6 6 4.5 32 1.15
12 12 9.0 120 1.2
24 24 18.0 472 1.25
48 48 36.0 1800 1.3
110 110 82.5 10000 1.2
All figures are given for coil without preenergization, at ambient temperature +23°C.
Coil versions, AC coil
Coil Rated Operate Coil Rated coil
code voltage voltage resistance power
VAC VAC Ω±15% VA
6 6 5.1 6 2.01
12 12 10.2 24 2.02
24 24 20.4 85 2.02
120 120 102.0 2250 2.1
240 240 204.0 9110 2.1
All figures are given for coil without preenergization, at ambient temperature +23°C.
U
General Purpose Relays
Industrial Relays
KRP-3_H Series Panel Plug-in Relay (Continued)
08-2011, Rev. 0811
www.te.com
© 2011 Tyco Electronics Corporation,
a TE Connectivity Ltd. company
Datasheets and product specification
according to IEC 61810-1 and to be used
only together with the ‘Definitions’ section.
Datasheets and product data is subject to the
terms of the disclaimer and all chapters of
the ‘Definitions’ section, available at
http://relays.te.com/definitions
Datasheets, product data, ‘Definitions’ sec-
tion, application notes and all specifications
are subject to change.
2
Potter & Brumfield
Dimensions Terminal assignment
1 Form X (1NO-DM)
Product Code Arrangement Material Coil Terminals Part Number
KRP-3AH-120 1 Form X AgCdO 120 VAC Octal plug 1-1393102-1
Product code structure Typical product code KRP-3 D H -12
Type
KRP-3 Enclosed panel plug-in relay with 1 Form X (1NO-DM) contacts
Coil Input
A AC D DC
Contact material and rating
H AgCdO, 6.35mm (0.25") dia., rated 20A
Coil voltage
Coil code: please refer to coil versions table
1.531 MAX.
(38.89)
2.281 MAX.
(57.94)
1.406 MAX.
(35.71)
.031
(.79)
1
2
3
45
6
7
8
