MICRO SWITCH
Military-Grade Toggle Switches
TL Series
Datasheet
MICRO SWITCH TL Series
Toggle Switches
Honeywell MICRO SWITCH TL Series toggle switches are military qualified to MIL-DTL-3950, specifications for sealed
toggle switches. Quality construction features include a bonded seal between the toggle lever and bushing, and
between the cover and case.
The robust design of the TL Series toggle is well-suited for many military, aerospace and other demanding applications
where reliability is essential. These applications include environments where the panels are subjected to mechanical
shock, vibration, and temperature extremes as well as environments with dust, splashing or hose-directed water.
TL Series toggle switches offer a variety of circuitry and pole options to easily integrate into a number of applications.
A long history in military and aerospace applications has shown the TL Series toggle provides reliable performance with
long operating life under the toughest conditions.
What makes our switches better?
•
MIL-DTL-3950 qualified switches available to meet military
specifications
Environmental sealing enables switches to withstand many
demanding indoor and outdoor applications
1-, 2-, and 4-pole options for a variety of circuitry
requirements
2- and 3-position, maintained and momentary toggle action
to meet circuit and actuator requirements
UL recognized, CSA certified, and
CE approved for global use
ATTENTION!!
TL Series toggles are qualified
for military duty!
MILITARY QUALIFIED • GLOBAL APPROVALS
MULTI-CIRCUITS • HIGH PERFORMANCE
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Features
and Benefits
MIL-QUALIFIED AND GLOBAL APPROVALS
MIL-DTL-3950 qualified
switches are available to meet military/aerospace
specifications. TL Series toggles’ environmental sealing enables switches to
withstand many demanding indoor and outdoor applications. Quality construction
includes a bonded seal between the toggle lever and bushing, and between
the cover and case that enables switches to
withstand may demanding
conditions.
UL recognized, CSA certified, and CE approved for global use
Military-qualified listings
VARIETY OF CIRCUITRIES AND OPERATING ACTIONS
TL Series’
1, 2, and 4 pole options
meet a variety of circuitry requirements; while
2- and 3-position, maintained and momentary
toggle action, for a breadth of
circuitry and actuator requirements. They thrive in a wide range of temperatures:
-65 °C to 71 °C [-85 °F to 160 °F]
Locking levers reduce unintended actuation
LOCKING LEVERS
Optional
lever locks
(pull-to-unlock) require two separate actions to actuate the
switch in order to prevent unintended actuation
MULTIPLE CONNECTION OPTIONS
MICRO SWITCH TL Series toggles offer
three popular termination options:
screw, solder lugs, and IWTS (Integrated Wire Termination Systems)
EASILY CONTROLS LOW-VOLTAGE DC APPLICATIONS
Toggle switches available with a choice of
silver alloy or gold-plated contacts
to handle a variety of electrical load requirements
INNOVATIVE PRODUCT DESIGN
Engineered step-design case provides added space between terminals to
prevent shorting
ROBUST CONSTRUCTION
Built from
military-grade components
to achieve MIL-DTL-3950 requirements
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Potential Applications
MILITARY AND COMMERCIAL AIRCRAFT AND HELICOPTERS
Used in fixed wing aircraft and helicopter flight decks. Honeywell has a long history
of providing TL Series toggle switches in commercial and military aircraft.
AVIATION GROUND SUPPORT EQUIPMENT
Used to turn on and operate various components of aviation ground support
equipment, such as pumps, lights, and lift platforms.
MILITARY LAND VEHICLES (TRACK AND WHEELED VEHICLES)
Used in military land vehicles to control lights, pumps, arming equipment, and
movement control of lifts/ramps, etc.
CONSTRUCTION EQUIPMENT
Often used on road milling, road pavers, trenchers, and stump cutters to operate
movement of machinery and/or turn on lights, pumps, etc.
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MICRO SWITCH™ Military-Grade Toggle Switches
Table 1. Specifications
Characteristic
Description
Sealing
Operating temperature
Actuators
Action
Mounting
Circuitry
Terminations
Contacts
Amp rating
Approvals
Measurement
Parameter
military-grade toggle switch
qualified to MIL-DTL-3950
-65 °C to 71 °C [-85 °F to 160 °F]
standard, locking, special design, tab
2- or 3- position; momentary and maintained
Bushing 15/32 in (0.47 in) Ø
SPST, SPDT, DPST, DPDT, 4PST, 4PDT
IWTS, solder, screw, quick-connect, leadwire
Silver alloy or gold-plated
Up to 20 A, ac and dc capability
UL, CSA, CE
26,7 mm H x 33,5 mm W x 22,6 mm D [1.05 in H x 1.32 in W x 0.89 in D]
Table 2. UL and CSA Electrical Ratings
Rating code
L192
L191
Electrical rating
10 amps, 125, 250, 277 Vac; ¼ Hp, 125 Vac; ½ Hp, 250, 277 Vac; 3 amps, 125 Vac “L”
15 amps, 125, 250, 277 Vac; ½ Hp, 125 Vac; 1 Hp, 250, 277 Vac; 5 amps, 125 Vac “L”
Table 3. Electrical Ratings (in amperes)
Electrical rating code
Ind.
1
2
3
4
5
6
15
10
15
10
12
10
28 Vdc
Res.
20
15
20
18
20
18
Lamp
5
4
7
5
5
4
115 Vdc
Res.
0.75
0.75
0.75
0.75
0.75
0.75
250 Vdc
Res.
0.5
0.5
0.5
0.5
0.5
0.5
115 Vac, 60 Hz & 400 Hz
Max.
Ind.
10
7
15
8
15
8
Res.
15
15
15
11
15
11
Lamp
3
2
4
2
4
2
230 Vac
Res.
6
6
6
6
6
6
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