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HK274-73-XPB1 Datasheet, PDF (1/1 Pages) List of Unclassifed Manufacturers – Certifications UL, CSA
H-Series
Toggle Switches
The H-Series toggle switches are heavy-
duty, high voltage, high amperage, three-
pole switches. These switches have a
slow-make, slow-break contact
mechanism, are AC rated to 600V, and
are available in a wide range of ratings,
circuits, terminations and bushing/toggle
configurations.
Specifications
•Certifications*: UL, CSA,
•Dielectric Strength: 1,000 V (minimum)
•Insulation Resistance: 100 Megohms
(minimum)
•Base Material: Phenolic
•Actuator Material: Brass/Nickel Plate
or Polycarbonate
•Bushing Material: Brass/Nickel Plate
* Due to ongoing technological advances, consult factory for
certification specifics.
Dimensional Specifications: in. [mm]
.125[3.18] DIA
.075[1.91] DIA
.055[1.40] DIA
.687[17.44]
.465[11.81]
15/32-32UNS-2A
THREAD
KEYWAY
.072[1.82]
X
.038[.965] DP
.330[8.38]
.187[4.74]
SOLDER LUG
.437[11.09]
.250[6.35]
.250 TAB (Q.C.)
.394[10.00]
.187[4.74]
.187 TAB (Q.C.)
.803[20.40]
3-POLE
TERMINAL TYPE
.422[10.72]
.687[17.44]
1.308[33.22]
.465[11.81]
.803[20.40]
1.088[27.64]
KEYWAY
.072[1.82]
X
.038[.965] DP
NYLON
TOGGLE
IN
4-POLE BASE
#6-32NC-2
THREAD
.370[9.39]
.141[3.58]
.286[7.26]
SCREW
(ASSEMBLED)
.500[12.70] DIA
.062[1.57]
6.000[152.40]
.187[4.75]
.500[12.70]
.187[4.75]
.350[8.89]
WIRE LEAD
.500[12.70] DIA
PRINTED
CIRCUIT
.376[9.55]
.422[10.72]
1.308[33.22]
1.436[36.47]
MOUNTING HOLE
.038[9.65]
WITH KEYWAY
.500[12.70] DIA
.125[3.17] DIA
WITH LOCKING RING
H
SERIES
K
CIRCUIT1
25
1
-
TERMINATION/FUNCTION
73
H THREE POLE
TOGGLE
K ON-NONE-OFF
L ON-NONE-ON
M ON-OFF-ON
RATING
A27 6A 600VAC
12A 250VAC
17A 125VAC
1HP 125VAC
1, 2 OR 3 PHASE
1 1/2HP 250VAC
1, 2 OR 3 PHASE
2HP 480-600VAC;
3 PHASE
25 10A 250VAC
15A 125VAC
3/4HP 125-250VAC
1, 2 OR 3 PHASE
26 3A 250VAC
6A 125VAC
1/4HP 125-250VAC
1, 2 OR 3 PHASE
27 12A 250VAC
17A 125VAC
1 1/2HP 250VAC
1, 2 OR 3 PHASE
28 5A 250VAC
8A 125VAC
1/2HP 125-250VAC
1, 2 OR 3 PHASE
.250
SOLDER TAB
FUNCTION
LUG (QC)
ON-NONE-OFF 0
1
(ON)-NONE-OFF A
B
ON-NONE-(OFF) L
M
ON-NONE-ON 0
1
ON-NONE-(ON) A
B
ON-OFF-ON
0
1
ON-OFF-(ON) A
B
(ON)-OFF-(ON) L
M
.187
TAB
(QC)
3
D
R
3
D
3
D
R
SCREW WIRE
TERM. LEAD
4
5
E
F
S
T
4
5
E
F
4
5
E
F
S
T
PC
TERM.
6
G
U
6
G
6
G
U
TOGGLE STYLE2
BAT
TOGGLE BUSHING SUFFIX NEOPRENE
LENGTH LENGTH NO.
SEAL
.687
.465
73
78
1.25
.343
B2
---
NOTES:
Shading indicates standard configurations.
For bushing accessories, see pages 69 and 70.
1 Consult factory for additional circuits.
2 Nylon toggles are available with 4-pole base only.
NBL toggle uses black oxide plated metal bushing for standard construction. NWH toggle uses nickel plated
metal bushing for standard construction.
NYLON .687
.687
.465
.465
NBL3 NBL8
NWH3 NWH8
54 Carlingswitch,Inc. (860) 793-9281• Carlingswitch, LTD. Int + 44 1392-364422 • Carlingswitch Asia-Pacific, LTD. Int + 852-2737-2277