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 Square D > On-line Catalog > Products > Relays and Timers > Type K-Plug-in Relay
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Type K-Plug-in Relay

Application Data, Dimensions, Wiring Diagrams


Contact Ratings
AC
DC
Type
AC
Volts
Resistive 75% PF
Continuous
Amperes
Hp
DC
Volts
Resistive
Amperes
KP a
120  
10  
 
28  
10  
240  
10 b  
 
KU a
KF a
120  
15 c  
 
28  
10  
240  
10 b  
 
KL
120  
10  
 
28  
10  
240  
10  
 

a 8501 KP, KU, and KF relays have a B300 rating.
b 3 pole devices have a 20 A max. total (sum of currents in all 3 poles), continuous rating.
c 3 pole devices have a 30 A max. total (sum of currents in all 3 poles), continuous rating.

Operating Data
Type
Comments
Typical Pick-Up Time
KP  
AC coil: approximately 12 ms
DC coil: approximately 18 ms
KF, KU  
AC coil: approximately 8 ms
DC coil: approximately 11 ms
KL  
approximately 25 ms
Typical Drop-Out Time
KP  
AC coil: approximately 12 ms
DC coil: approximately 7 ms
KF, KU  
AC coil: approximately 8 ms
DC coil: approximately 7 ms
KL  
approximately 25 ms
Operating
Temperature Range
KF, KP, KU  
AC: 2 pole: -40° C to +55° C (-40° F to +131° F)
3 pole: -40° C to +45° C (-40° F to +113° F)
DC: -40° C to +70° C (-40° F to +158° F)
KL  
AC/DC: -45° C to +70° C (-49° F to +158° F)
Contacts
Configuration
2PDT or 3PDT (2 or 3 Form C)
Ratings
See contact ratings table above.
Material
KF, KU, and KL—Silver cadmium oxide
KP—Silver nickel
Coils
Duty
Continuous rated coils
Available Voltages
See Stocked Relays page  21-15.
Operate
AC: +10, -15% of Nominal Voltage at 25° C (77° F)
DC: +10, -25% of Nominal Voltage at 25° C (77° F)
Typical Burden
Types KP, KU, KF
AC: 3.6 VA inrush, 2.5 VA sealed
DC: 1.5 watts standard, 3 watts maximum
Type KL
AC: 2.0 VA latch, 0.8 VA unlatch
DC: 1.2 watts

General

Terminals: Solder/plug-in
UL/CSA:

For 8501 KP, KU, and KF:

For 8501 KP, KU, and KL:

For 8501 KL:

Wiring Diagrams
Approximate Dimensions

For additional information, reference Catalog #8501CT0301.



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Discount
Schedule

9/8/03 © 2005 Schneider Electric
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