General Purpose
Panel/Plug-in Relays
Potter & Brumfield
KUHP Series Panel Relay
n
n
n
n
n
AC coils 6 to 277VAC 50/60Hz, DC 6 to 110VCD
Contact arrangement up to 2 form C (CO)
.250” combination push-on/solder terminals or PC terminals
Side flange and top flange mounting
Designed to meet VDE space requirements: Class B coil insulation
Typical applications
Commercial HVAC, smart-grid communications controllers, baggage
handling, pumps.
U C
Coil versions, DC coil
Approvals
Coil
code
Rated
voltage
VDC
6
±2
24
Operate
voltagevoltage
VDC
ReleaseCoil
resistance
Ω±±10
32.±
±21
472
±811
±1111
Rated coil
power
W
±.±3
±.21
±.23
±.31
±.22
UL E22575; CSA LR±5734
Technical data of approved types on request.
116
1±2
124
148
±±1
4.5
9.1
±8.1
36.1
Contact Data
Contact arrangement
1 pole
± form C (CO)
± form A (NO)
± form B (NC)
241VAC
2 pole
2 form C (CO)
2 form A (NO)
2 form B (NC)
241VAC
48
±±1
82.5
Rated voltage
Rated current
All figures are given for coil without preenergization, at ambient temperature +23°C.
31A
21A
Contact material
AgCdO
AgCdO, AgSnOInO
Coil versions, AC coil
Min. recommended contact load
Initial contact resistance
Frequency of operation
Operate/release time max.
Bounce time max.
311mA, ±2VDC 311mA, ±2VDC
Coil
code
Rated
voltage
VAC
6
±2
24
±21
241
277
Operate
voltage
VAC
5.±
±1.2
Coil
resistance
Ω±±50
4.2
±8
72
±711
7211
±1251
Rated coil
power
VA
211mΩ
361 ops./hour
21/21ms
211mΩ
361 ops./hour
21/21ms
116
1±2
124
±21
241
277
2.8
2.8
2.8
2.9
2.9
2.5
21ms
21ms
21.4
Contacts ratings
Type
± pole, AgCdO
±12.1
214.1
235.5
Load
Cycles
31A, 241VAC
±HP, ±21VAC
± ±/2HP, 241VAC
31 FLA, 96 LRA
31A, 28 VDC
±1A, 481VAC
±/2HP, 481VAC
±11x±13 ops.
±11x±13 ops.
±11x±13 ops.
±11x±13 ops.
51x±13 ops.
6x±13 ops.
All figures are given for coil without preenergization, at ambient temperature +23°C, 61 Hz.
Insulation Data
Initial dielectric strength
between open contacts
between contact and coil
between adjacent contacts
between coil and frame
Initial insulation resistance
between insulated elements
±211Vrms
3751Vrms
3751Vrms
2111Vrms
25x±13 ops.
6x±13 ops.
±HP, 481VAC, 3 phase
±/2HP, 611VAC
25x±13 ops.
2 pole, AgCdO
±11MΩ at 511VDC
21A, 241VAC
±11x±13 ops.
±11x±13 ops.
±11x±13 ops.
±11x±13 ops.
51x±13 ops.
6x±13 ops.
3/4HP, ±21VAC
± ±/2HP, 241VAC
21 FLA, 83 LRA
21A, 28 VDC
Other Data
Ambient temperature
DC coil
-45ºC to 71ºC
-45ºC to 45ºC
AC coil
±1A, 481VAC
Category of enviromental protection
IEC 6±8±1
±/2HP, 481VAC
±HP, 481VAC, 3 phase
±/2HP, 611VAC
25x±13 ops.
6x±13 ops.
RTI - dust protected and
RT1 - open style
QC.251, PCB .147
25x±13 ops.
Terminal type
Terminal retention, push force
QC .215
QC .±±1, QC .±87, QC .251, all PCB
Weight
Packaging/unit
2 pole AgSnOInO
21 A, 241 VAC
Mechanical endurance
25x±13 ops.
±1x±16 ops.
±7lbs for 3s
25lbs for 3s
92g
Coil Data
Coil voltage range
tray/25 pcs., box/±51pcs.
6 to ±±1VDC
6 to 277VAC
Class B
Accessories
NOTE: no sockets are available for this relay
Coil insulation system according UL
1
09-2014, Rev. 0914
Catalog and product specification according
to IEC 61810-1 and to be used only together
with the ‘Definitions’ section.
Catalog 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
Catalog product data, ‘Definitions’ section,
application notes and all specifications are
subject to change.
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a TE Connectivity Ltd. company.