Toggle Switches
I-Series
The I-Series toggle switches are heavy-
duty, four pole switches with a slow-
make, slow-break contact mechanism.
These switches are available in a wide
range of terminations, circuits and
bushing/toggle configurations.
Specifications
•Certifications*: UL, CSA
•Dielectric Strength: 1,000V (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]
15/32-32UNS-2A
THREAD
.125[3.18] DIA
.075[1.91] DIA
.055[1.40] DIA
.330[8.38]
.187[4.74]
.437[11.09]
.394[10.00]
.250[6.35]
.250 TAB (Q.C.)
.187[4.74]
.187 TAB (Q.C.)
.687[17.44]
KEYWAY
.072[1.82]
X
.038[.965] DP
SOLDER LUG
TERMINAL TYPE
#6-32NC-2
THREAD
.370[9.39]
6.000[152.40]
.141[3.58]
.187[4.75]
.350[8.89]
WIRE LEAD
.062[1.57]
.500[12.70] DIA
PRINTED
CIRCUIT
.376[9.55]
.187[4.75]
.465[11.81]
.803[20.40]
.286[7.26]
.422[10.72]
SCREW
(ASSEMBLED)
.500[12.70] DIA
.500[12.70]
1.308[33.22]
1.436[36.47]
.038[9.65]
MOUNTING HOLE
WITH KEYWAY
.500[12.70] DIA
.125[3.17] DIA
WITH LOCKING RING
I
SERIES
I
FOUR POLE
TOGGLE
K
RATING
25
10A 250VAC
15A 125VAC
3/4HP 125-250VAC
1, 2 OR 3 PHASE
25
1
-
.187
TAB
(QC)
3
D
R
3
D
3
D
R
73
SCREW
TERM.
4
E
S
4
E
4
E
S
WIRE
LEAD
5
F
T
5
F
5
F
T
PC
TERM.
6
G
U
6
G
6
G
U
TERMINATION/FUNCTION
.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
CIRCUIT
1
K
ON-NONE-OFF
L
ON-NONE-ON
M
ON-OFF-ON
TOGGLE STYLE
2
TOGGLE
LENGTH
BAT
.406
.562
.687
1.00
1.25
NYLON .687
.687
BUSHING
LENGTH
.343
.465
.465
.343
.465
.465
.465
SUFFIX
NO.
52
63
73
A2
B3
NBL3
NWH3
NEOPRENE
SEAL
57
68
78
A7
B8
NBL8
NWH8
NOTES:
Shading indicates standard configurations.
For bushing accessories, see pages 69 and 70.
1
Consult factory for additional circuits.
2
NBL toggle uses black oxide plated metal bushing for standard construction. NWH toggle uses nickel plated
metal bushing for standard construction.
Momentary functions are available with only 63, 73 or 78 toggles.
Carlingswitch,Inc. (860) 793-9281• Carlingswitch, LTD. Int + 44 1392-364422 • Carlingswitch Asia-Pacific, LTD. Int + 852-2737-2277
55
CARLINGTECH [ Carling Technologies ]
