HK251 73 -

Carling
Technologies
H/I-Series Toggle Switches
™
H/I-Series Toggle Switches
Dielectric Strength
General purpose workhorses with options tailored to meet UL/CSA: 1000V-live to dead metal
most any need. Ratings to 17A 125VAC, various actua- parts
Electrical Life
tor, bushing, termination, and circuit choices allow this
toggle to easily integrate into a variety of different applica- 50,000 cycles- maintained
25,000 cycles- momentary
tions. The H/I-Series has a storied history in the Food
Mechanical Life
service, Generator, Industrial Control, and Office
Automation markets and are appropriate for usage in low 100,000 cycles
Operating Temperature
voltage DC applications as well.
32°F to 185°F (0°C to 85°C)
.075[1.91] DIA
.125[3.18] DIA
15/32-32UNS-2A
THREAD
.687[17.44]
.330[8.38]
KEYWAY
.072[1.82]
X
.038[.965] DP
.465[11.81]
.803[20.40]
6.000[152.40]
.141[3.58]
.500[12.70]
.500[12.70] DIA
SCREW
(ASSEMBLED)
.062[1.57]
WIRE LEAD
.376[9.55]
.500[12.70] DIA
1.436[36.47]
1.308[33.22]
.187 TAB (Q.C.)
.286[7.26]
NYLON
TOGGLE
IN
4-POLE BASE
.803[20.40]
.187[4.74]
.250 TAB (Q.C.)
.370[9.39]
KEYWAY
.072[1.82]
X
.038[.965] DP
.687[17.44]
.250[6.35]
TERMINAL TYPE
1.088[27.64]
.465[11.81]
.394[10.00]
SOLDER LUG
3-POLE
1.308[33.22]
.437[11.09]
.187[4.74]
#6-32NC-2
THREAD
.422[10.72]
.055[1.40] DIA
.038[9.65]
.422[10.72]
MOUNTING HOLE
WITH KEYWAY
.500[12.70] DIA
.125[3.17] DIA
WITH LOCKING RING
HK251 - 73
1
Base Part Number
2
Actuator Style
1 BASE PART NUMBER: SERIES/POLES/CIRCUITRY/RATING/TERMINATION2
10A 250VAC, 15A 125VAC, 3/4 HP 125-250VAC, 1, 2 or 3 phase
Three Pole
Four Pole
solder .250
screw
wire
solder
.250
screw
wire
lug
tab
term.
leads
lug
tab
term.
leads
HK250 HK251
HK254
HK255
OFF-NONE-ON
IK250
IK251
IK254
IK255
HK25A HK25B
HK25E
HK25F
OFF-NONE-(ON) IK25A
IK25B
IK25E
IK25F
HK25L HK25M
HK25S
HK25S
ON-NONE-(OFF) IK25L
IK25M
IK25S
IK25T
HL250 HL251
HL254
HL25E
ON-NONE-ON
IL250
IL251
IL254
IL25J
HL25A HL25B
HL25E
HL25F
ON-NONE-(ON) IL25A
IL25B
IL25E
IL25F
HM250 HM251
HM254
HM255
ON-OFF-ON
IM250
IM251
IM254
IM255
HM25A HM25B
HM25E
HM25F
ON-OFF-(ON)
IM25A
IM25B
IM25E
IM25F
HM25L HM25M
HM25S
HM25T
(ON-OFF-(ON)
IM25L
IM25M
IM25S
IM25S
Additional ratings up to 17A 125VAC, 12A 250VAC, 1HP 125VAC, 1 1/2 HP 250 VAC and special
circuits available. Consult factory for specifics.
2 ACTUATOR STYLE1
unsealed
BAT
73
E3
3
NBL3
PADDLE
NOTES
1
2
3
()
sealed
78
E8
NBL8
toggle length
0.687
2.000
0.687
bushing length
0.465
0.465
0.465
Additional actuator options available. Consult factory for details.
Consult factory for .187 tab and combination screw/tab/solder lug termination callouts.
Nylon toggle with black ebanol plated bushing.
Indicates momentary function.
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