Manual Switches
NR Series
Sealed Rocker Switches
FEATURES
ɀ Completely sealed switching
chamber
ɀ Colored removable rockers
ɀ Choice of flush-panel or above-panel
mounting
ɀ Step-design case provides added
space between terminals to help
prevent shorting
ɀ 1, 2 or 4-pole circuitry
ɀ 2 or 3 positions, maintained and
momentary action
GENERAL INFORMATION
MICRO SWITCH NR Series Rocker Switches meet severe environment application
needs for a rugged, cost-effective manual switch. They combine the advantages of
toggle switch circuit versatility with pushbutton control.
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)
ɀ UL recognized, File E12252, Vol. 1,
Section 44
ɀ CSA certified, File LR4442
ɀ CE approved
Quality construction features include a premolded elastomer seal between the actua-
tor and bushing and an elastomer cover/case gasket seal. Also, the terminal inserts are
molded into the high impact strength thermoplastic case.
Complete sealing of the switching chamber enables compliance with UL 508, para-
graph13.3 hosedown test. These switches can be used where panels are subjected to
periodic splash and washdowns, such as are common to food and beverage equip-
ment. They will also withstand exposure to heavy accumulations of eary morning dew
that may condense on the control panel in cabs of vehicles left outdoors overnight.
HOW TO ORDER
1. To order flush panel mount switches
without rockers, specify the listings in
the NR order guides.
2. To specify above-panel mount
switches, change the1(after ‘‘NR’’) in
1NR1, 11NR1, 2NR1, 12NR1, 4NR1, and
14NR1 listings in the NR order guides
to 4. Example: 1NR1-2W converts to
1NR4-2, 11NR1-2 to 11NR4-2.
For 1NR91, 2NR91, and 14NR91 list-
ings add 4 (after the ‘‘NR’’) to specify
the above panel mount version. Exam-
ple: 1NR91-2 becomes 1NR491-2.
3. To order rockers, specify listings in
the 12PA rocker order guide.
ELECTRICAL RATINGS
L191: 15 amps, 125, 250, 277 VAC; 1⁄2 Hp,
125 VAC; 1 Hp, 250, 277 VAC;
5 amps, 125 VAC ‘‘L’’
L192: 10 amps, 125, 250, 277 VAC; 1⁄4 Hp,
125 VAC; 1⁄2 Hp, 250, 277 VAC;
3 amps, 125 VAC ‘‘L’’
Above Panel Mount
Flush Panel Mount
12PA ROCKER ORDER GUIDE
Note: These listings are used to specify
rockers only.
ELECTRICAL RATINGS
In Amperes
(See Application Note on next page)
115 Volts AC
Elect.
28 Volts DC
Ind. Res. Lamp
115 VDC 250 VDC
60 & 400 Hz
230 VAC
Res.
Rocker
Color
Catalog
Listing
Rating
Code
Res.
Res.
Ind. Res. Lamp
White
Red
Yellow
Black
Green
Blue
12PA12-W
12PA12-R
12PA12-Y
12PA12-BK
12PA12-G
12PA12-BL
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
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Manual Switches
NR Series
Seated Rocker Switches
MOUNTING DIMENSIONS
(For reference only)
Flush Panel
Above Panel
Quick Connect Terminals
Terminal Circuit Identification
Solder Terminals
Panel Cutout
Flange mounting torque is
10–12 in./lbs.
Terminal screw mounting
torque is 5 in./lbs. max.
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Manual Switches
NT/NR Series
Flat Base Sealed Toggles and Rockers
FEATURES
ɀ Sealed switching chamber
ɀ 1 or 2-pole circuitry
ɀ 2 or 3 position maintained and
momentary action
ɀ Flat base with quick-connect
terminals – mating connectors are
available
ɀ Brightly colored removable rockers
ɀ Spring-loaded actuating mechanism
provides tactile feedback
ɀ High impact strength, non-tracking
case enhances electrical stability
ɀ Temperature range: –40 to 71°C (–40
to 160°F)
ɀ UL Recognized, File E12252, vol. 1,
section 44
ɀ CSA Certified, File LR4442
ɀ CE approved
UL AND CSA ELECTRICAL RATINGS
Rating Code*
Electrical Rating
GENERAL INFORMATION
L192
10 amps, 125, 250, 277 VAC; 1⁄4 Hp, 125 VAC; 1⁄2 Hp, 250, 277 VAC; 3 amps,
125 VAC ‘‘L’’
15 amps, 125, 250, 277 VAC; 1⁄2 Hp, 125 VAC; 1 Hp, 250, 277 VAC; 5 amps,
125 VAC ‘‘L’’
MICRO SWITCH NT Series toggle switch-
es and NR Series rocker switches are
designed to meet severe environment ap-
plication needs for rugged, cost-effective
manual switches. These flat base style
products are identical to the stepped
base style in construction and features.
The flat base allows for PC board or con-
nector use for easy wiring/connection.
The flat base NT toggle switches and NR
rocker switches are provided with quick-
connect (spade) termination. Mating con-
nectors are available.
L191
ELECTRICAL RATINGS
In Amperes
115 Volts AC
60 & 400 Hz
28 Volts DC
Rating
Code
115 VDC 250 VDC
230 VAC
Res.
Ind. Res. Lamp
Res.
Res.
Ind. Res. Lamp
1
2
3
4
12
10
15
10
20
15
20
18
5
4
7
5
0.75
0.75
0.75
0.75
0.5
0.5
0.5
0.5
10
7
15
8
15
15
15
11
3
2
4
2
6
6
6
6
TERMINAL CIRCUIT IDENTIFICATION
Terminal identifications are referenced in
the order guides to indicate which circuits
are made in each toggle position (e.g.
‘‘1-2’’ refers to circuit closure through ter-
minals 1 and 2).
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/NR switches use silver cadmium oxide
contacts. For other options, contact the MICRO SWITCH Application Center at
1-800-537-6945.
126
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Manual Switches
NT Series
Flat Base Sealed Toggles
NT 2-POSITION ORDER GUIDE
Circuits Made At:
Catalog
Listing
No. of
Poles
Keyway
Position
Opposite
Keyway
UL Rating
Code
Electrical
Rating Code Toggle Q-C
OFF
2-3
2-3
2-3
OFF
2-3
L191
L191
L192
L192
L192
1
1
2
2
2
31NT91-2
31NT91-3
31NT91-4
31NT91-6
31NT91-8
1
1-2
OFF**
1-2**
1-2**
OFF
1-2, 4-5
OFF**
1-2, 4-5**
1-2, 4-5**
2-3, 5-6
2-3, 5-6
2-3, 4-6
OFF
L191
L191
L192
L192
L192
3
3
4
4
4
32NT91-2
32NT91-3
32NT91-4
32NT91-6
32NT91-8
2
2-3, 4-6
NT 3-POSITION ORDER GUIDE
Circuits Made At:
Electrical
Catalog
No. of
Poles
Keyway
Position
Center
Position
Opposite
Keyway
UL Rating Rating
Listing
Code
Code
Toggle Q-C
1-2
OFF
OFF
OFF
OFF
1-2
2-3
L191
L192
L192
L191
L191
L192
L192
1
2
2
1
1
2
2
31NT91-1
31NT91-5
31NT91-7
31NT91-21
31NT91-31
31NT91-51
31NT91-61
1
1-2**
2-3
1-2**
2-3**
2-3
2-3
2-3**
NONE***
NONE***
NONE***
NONE***
1-2**
1-2
OFF
1-2, 4-5
OFF
2-3, 5-6
L191
L192
L192
L191
L191
L192
L192
L191
L191
L192
L192
3
4
4
3
3
4
4
3
3
4
4
32NT91-1
32NT91-5
32NT91-7
32NT91-21
32NT91-31
32NT91-51
32NT91-61
32NT91-12
32NT91-10
32NT91-50
32NT91-70
2
1-2, 4-5**
1-2, 4-5**
NONE***
NONE***
NONE***
1-2, 4-5**
1-2, 4-5
OFF
2-3, 5-6
OFF
OFF
2-3, 5-6**
2-3, 5-6
2-3, 5-6
2-3, 5-6**
NONE***
2-3, 5-6
2-3, 5-6
2-3, 5-6
2-3, 5-6**
1-2, 4-5
1-2, 4-5
OFF
2-3, 4-5
1-2, 5-6
1-2, 5-6
1-2, 5-6
1-2, 4-5
1-2, 4-5**
1-2, 4-5**
** These positions are momentary. All others are maintained.
*** Toggle lever is blocked from these positions. Toggle becomes 2-position, with center being one extreme
position.
MATING CONNECTORS ORDER GUIDE
Description
Catalog Listing
19PA168-NT
19PA169-NT
2-pole connector
1-pole connector, same package size as 2-pole connector
LOCKING CONFIGURATIONS
A
B
D
E
F
G
H
Locked In
Center and
Extreme Position
(Keyway Side)
Locked Out Of
Center And
Extreme Position
(Keyway Side)
Locked Out
Of Center
Position
Locked In
Locked In
Extreme Position
(Keyway Side)
Locked In
Three Positions
Locked In
Extreme Position
Center Position (Opposite Keyway)
J
K
L
M
N
P
Locked Out Of
Center And
Extreme Position
(Opposite Keyway)
Locked In
Center And
Extreme Position
(Opposite Keyway)
Locked Out Of
Locked Out Of
And Into
Extreme Position
(Keyway Side)
Locked Out Of
Extreme Position
(Keyway Side)
And Into
Locked Out Of
Extreme Position
(Opposite Keyway)
Extreme Position
(Opposite Keyway)
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Manual Switches
NR Series
Flat Base Sealed Rockers
NR 2-POSITION ORDER GUIDE
ELECTRICAL RATING
L191: 15 amps, 125, 250, 277 VAC; 1⁄2 Hp,
125 VAC; 1 Hp, 250, 277 VAC; 5
amps, 125 VAC ‘‘L’’
Circuits Made At:
Catalog
Listing
No. of
Poles
Keyway
Position
Opposite
Keyway
UL Rating
Code
Electrical
Rating Code Rocker* Q-C
L192: 10 amps, 125, 250, 277 VAC; 1⁄4 Hp,
OFF
2-3
2-3
2-3
OFF
2-3
L191
L191
L192
L192
L192
1
1
2
2
2
31NT91-2
31NR91-3
31NR91-4
31NR91-6
31NR91-8
1
125 VAC; ⁄2 Hp, 250, 277 VAC; 3
1
1-2
amps, 125 VAC ‘‘L’’
OFF**
1-2**
1-2**
TERMINAL CIRCUIT
IDENTIFICATION
Terminal identifications are referenced in
the order guides to indicate which circuits
are made in each toggle position (e.g.,
‘‘1-2’’ refers to circuit closure through ter-
minals 1 and 2).
OFF
1-2, 4-5
OFF**
1-2, 4-5**
1-2, 4-5**
2-3, 5-6
2-3, 5-6
2-3, 4-6
OFF
L191
L191
L192
L192
L192
3
3
4
4
4
32NR91-2
32NR91-3
32NR91-4
32NR91-6
32NR91-8
2
2-3, 4-6
NT 3-POSITION ORDER GUIDE
Circuits Made At:
Top specify above-panel mount rock-
ers: add 4 (after the ‘‘NR’’) to specify the
above panel version. Example: 31NR91-5
becomes 31NR491-5.
Electrical
Catalog
No. of
Poles
Keyway
Position
Center
Position
Opposite
Keyway
UL Rating Rating
Listing
Code
Code
Rocker* Q-C
1-2
OFF
OFF
OFF
OFF
1-2
2-3
L191
L192
L192
L191
L191
L192
L192
1
2
2
1
1
2
2
31NR91-1
31NR91-5
31NR91-7
31NR91-21
31NR91-31
31NR91-51
31NR91-61
ROCKER BUTTONS ORDER GUIDE
1
1-2**
2-3
1-2**
2-3**
2-3
2-3
2-3**
NONE***
Rocker
Color
Catalog
Listing
NONE***
NONE***
NONE***
1-2**
White
Red
Yellow
Black
Green
Blue
12PA12-W
12PA12-R
12PA12-Y
12PA12-BK
12PA12-G
12PA12-BL
1-2
OFF
1-2, 4-5
OFF
2-3, 5-6
2-3, 5-6
2-3, 5-6**
2-3, 5-6
2-3, 5-6
2-3, 5-6**
NONE***
2-3, 5-6
L191
L192
L192
L191
L191
L192
L192
L191
L191
L192
L192
3
4
4
3
3
4
4
3
3
4
4
32NR91-1
32NR91-5
32NR91-7
32NR91-21
32NR91-31
32NR91-51
32NR91-61
32NR91-12
32NR91-10
32NR91-50
32NR91-70
2
1-2, 4-5**
1-2, 4-5**
NONE***
NONE***
NONE***
1-2, 4-5**
1-2, 4-5
OFF
OFF
OFF
1-2, 4-5
1-2, 4-5
OFF
2-3, 4-5
1-2, 5-6
1-2, 5-6
1-2, 5-6
1-2, 4-5
1-2, 4-5**
1-2, 4-5**
2-3, 5-6
2-3, 5-6
2-3, 5-6**
* Does not include rocker button. Order separately from chart.
** These positions are momentary. All others are maintained.
*** Toggle lever is blocked from these positions. Toggle becomes 2-position, with center being one extreme
position.
MATING CONNECTORS ORDER GUIDE
Description
Catalog Listing
19PA168-NT
19PA169-NT
2-pole connector
1-pole connector, same package size as 2-pole connector
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Manual Switches
NT/NR Series
Flat Base Sealed Toggles and Rockers
MOUNTING DIMENSIONS (For reference only)
Toggle Switches
Rocker Switches, Above Panel
Rocker Switches, Flush Panel
Flange mounting torque is 10–12 in./lbs.
Bushing mounting torque is 10–15 in./lbs.
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