Manual Switches
NT Series
Sealed Toggle Switches
FEATURES
ɀ Completely sealed switching
chamber
ɀ Step-design case provides added
space between terminals to help
prevent shorting
ɀ 1, 2 or 4-pole circuitry
ɀ Standard and pull to unlock levers.
ɀ 2 or 3 positions, maintained and
momentary action
ɀ Spring-loaded actuating mechanism
provides excellent tactile feedback
ɀ High impact strength, non-tracking
case enhances electrical stability
ɀ Temperature range: –40 to 71°C
(–40 to 160°F)
CONSTRUCTION
ɀ UL recognized, File E12252, Vol. 1,
Section 44
ɀ CSA certified, File LR4442
ɀ CE approved
GENERAL INFORMATION
MICRO SWITCH NT Series toggle switch-
es meet severe environment application
needs for a rugged, cost-effective toggle
switch. Quality construction features in-
clude a molded-in elastomer seal be-
tween the toggle lever and bushing, and
between the cover and case. In addition,
the terminal inserts are molded into the
high impact strength thermoplastic case.
Complete sealing of the switching cham-
ber enables NT toggles to comply with UL
508, paragraph 13.3 hosedown test.
These switches can be used where pan-
els are subjected to periodic splash and
washdowns, such as are common to food
and beverage equipment. They will also
withstand exposure to heavy accumula-
tions of early morning dew that may con-
dense on the control panel in cabs of
vehicles left outdoors overnight.
UL AND CSA ELECTRICAL RATINGS
Rating Code*
Electrical Rating
L192
10 amps, 125, 250, 277 VAC; 1⁄4 Hp, 125 VAC; 1⁄2 Hp, 250, 277 VAC; 3 amps,
125 VAC ‘‘L’’
L191
15 amps, 125, 250, 277 VAC; 1⁄2 Hp, 125 VAC; 1 Hp, 250, 277 VAC; 5 amps,
125 VAC ‘‘L’’
* Referred to in order guides.
ELECTRICAL RATINGS
In Amperes
PULL-TO-UNLOCK LEVERS
Pull-to-unlock toggle levers prevent acci-
dental toggle movement. The knobbed
toggle lever must be pulled out approxi-
mately .09 in. (2,3 mm) to change posi-
tions. Thirteen different locking configu-
rations are available. This lever style also
has a non-glare matte nickel finish.
115 Volts AC
60 & 400 Hz
Elect.
Rating
28 Volts DC
115 VDC 250 VDC
230 VAC
Res .
Code
Ind. Res . Lamp
Res .
Res .
Ind. Res . Lamp
1
2
3
4
5
6
12
10
15
10
12
10
20
15
20
18
20
18
5
4
7
5
5
4
0.75
0.75
0.75
0.75
0.75
0.75
0.5
0.5
0.5
0.5
0.5
0.5
10
7
15
8
15
8
15
15
15
11
15
11
3
2
4
2
4
2
6
6
6
6
6
6
Application Note: Honeywell MICRO SWITCH does not recommend the use of
silver cadmium oxide switch contacts in non-arcing loads. Non-arcing loads are
generally loads less than 12 volts and/or 0.5 amp. NT switches use silver cadmium
oxide contacts. For other options, contact the MICRO SWITCH Application Center at
1-800-537-6945.
108
Honeywellɀ MICRO SWITCH Sensing and Controlɀ1-800-537-6945 USAɀ ⍣1-815-235-6847 Internationalɀ1-800-737-3360 Canada
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