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2000/2006 Series
Product Selection Guide
Geared Rotary Limit Switches
SUPERIOR DESIGN AND OPERATING FEATURES ALL METAL GEARING FOR LONGEVITY
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Accuracy & Longevity
METEK Factory Automation engineers, manufactures, and markets sensors and controls for demanding and harsh industrial environments. Our
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Geared Rotary Limit Switch line is designed for longevity. Units include all metal gearing and switches that are rated for 15 million operations. All units are
built in the USA to meet global application needs.
The Gemco® Geared Rotary Limit Switches are primarily used in material
handling and rotary operations where motion is expressed in shaft rotation.
The input shaft is typically connected to the motor or drive mechanism.
After a set amount of turns, the cam trips the switches, thus starting or stop-
ping the movement. The primary purpose of the switch is to control the
intermediate or end limits in linear or rotary motion. The switch is often
used as a safety device to protect against accidental damage to equipment
due to overtravel.
Typical Worm Gear type
Rugged & Flexible Enclosure Solutions
emco switches are pro-
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vided in a variety of enclosure
styles and ratios to meet your
varied environmental and
mounting conditions.
NEMA 12, 4, 7, & 9 enclosure
ratings are available. In addi-
tion to our standard materials,
enclosures may also be special
ordered in cast iron & bronze.
Fibralloy® Enclosure Thick Wall Cast Aluminum Enclosure Cast Aluminum Enclosure
Typical Spur Gear type
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Quality Parts Make Each Geared Rotary Limit Switch
Highly Dependable
The ½" input shaft drives a bronze
gear which rotates the steel cams
and cam block. The cam block
houses independently adjustable
cams that actuate the precision type
snap action switches.
Each Rotary Limit Switch can be
provided with up to 4 switches and
can be rotated clockwise or counter-
clockwise.
Every switch features: Self-lubricating
bearings, powdered metal impregnated for life-time
lubrication External mounting holes to permit mount-
ing without internal interference Bronze gears and
steel cams for longevity
No minimum speed is specied
because snap action contacts are
used. Maximum rated speed of the
input shaft is 1,000 rpm for the 2000
Series and 2,000 rpm for the 2006
Series. Gemco Geared Rotary Limit
Switches oer the broadest range
of standard gear selections of any
switch available. Standard ratios
ranges from 5:1 to 5,333:1.
Operating temperature from -40° F
(-40° C) to 180° F (82.2° C) provides for
mounting and operation in even the
harshest industrial environments.
Typical Industries
Screw Jacks Overhead Doors Material Handling Windmill
Crane & Hoists
Mechanical Stamping Presses Steel Mills Stage & Theater
Gymnasium —Basketball Backboard Factory Automation
Valve Positioning Satellite & Telescope Solar
U.L. Listed Snap Action Switches
rated for 15 million mechanical
operations.
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2000 Series
2000 Series General Purpose
EMA 12 enclosure, molded from Fibralloy®, a special berglass
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material that is resistant to acids, alcohols, hydrocarbons and heat. A tight
tting synthetic gasket prevents the entrance of oils and coolants. External
mounting holes enable switch mounting without internal interference.
Available in 2, 3, and 4 circuit units with either SPDT or DPDT switches, with
ratios form 5:1 to 5333:1. Permissible speeds to 1000 rpm.
2000 Series Watertight
EMA 4 enclosure, made of cast aluminum with ½" input shaft. Exter-
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nal mounting holes enable switch mounting without internal interference.
Available in 2, 3, and 4 circuit units with either SPDT or DPDT switches, with
NEMA 12 – General Purpose, shock resistant
Fibralloy® enclosure
Woodru Key for quick drive connection
Gear ratios from 5:1 to 5333:1 Snap
Action Switches – SPDT or DPDT – UL
Recognized and CSA approved.
NEMA 4 – Heavy duty, Cast Aluminum
enclosure
Key for quick drive connection
½" Input Shaft with Woodru
½" Input Shaft with
Gear
NEMA 12 Enclosure
NEMA 4 Enclosure
ratios form 5:1 to 5333:1. Cast iron or cast bronze enclosures can be provid-
ed upon request. Permissible speeds to 1000 rpm.
ratios from 5:1 to 5333:1
Switches – SPDT or DPDT – UL Recognized
and CSA approved.
Snap Action
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2000 Series
2000 Series Heavy Duty
EMA 12 enclosure, made of cast aluminum with ¾" input shaft.
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External mounting holes enable switch mounting without internal interfer-
ence. Available in 2, 3, and 4 circuit units with either SPDT or DPDT switches,
with ratios from 5:1 to 3000:1. Permissible speeds to 1800 rpm.
Designed for installations such as mechanical press ram adjustments, press
extractors, and shuttles requiring a limit switch that will withstand rapid
starting and stopping, shock, and vibration and still successfully control the
end or intermediate limits of such devices. Because of these high demands,
Gemco’s Heavy Duty Rotary Limit Switch has been built to far exceed any
other on the market.
NEMA 12 - Heavy duty, Cast Aluminum
enclosure
Key on 5:1 – 30:1 ratios
with Woodruff Key on 125:1 – 3000:1 ratios
Gear ratios from 5:1 to 3000:1 Snap
Action Switches – SPDT or DPDT – UL
Recognized and CSA approved.
2000 Series Hazardous Locations
EMA Type 7 & 9 enclosures, made of cast aluminum with ½" input
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External mounting holes enable switch mounting without internal
shaft.
interference
. Available in 2, 3 and 4 circuit units with either SPDT or DPDT
NEMA 7 & 9 - Heavy duty, Cast Aluminum
enclosure
Key for quick drive connection
¾" Input Shaft with Woodru
½" Input Shaft
½" Input Shaft with Woodru
Gear ratios
Heavy Duty Enclosure
switches. Permissible speeds to 1000 rpm. Designed and manufactured to
our interpretation of the following Underwriters Laboratory (UL) standards
and have not been submitted for 3rd party approvals: UL 1203 Explosion-
Proof and Dust-Ignition-Proof Electrical Equipment for Use in Hazardous
Classied) Locations (Second Edition, July 27, 1994) • UL 698 Industrial Con-
(
trol Equipment for Use in Hazardous (Classied) Locations (Twelfth Edition,
June 22, 1995) • NEM
Division 1 & 2, Group E, F, G.
A 7, Class l, Division 1 & 2, Group D • NEMA 9, Class ll,
from 5:1 to 5333:1
– SPDT or DPDT – UL Recognized and CSA
approved
Bronze enclosures available upon request.
Optional Cast Iron and Cast
Snap Action Switches
Hazardous Locations
Enclosure
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2000 & 2006 Series
2000 Series Spur Gear
EMA 12, 4, & 7 enclosure styles, NEMA 12 enclosures are made
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from Fibralloy®; whereas the 4 & 7 units are made of cast aluminum. Used
in applications requiring ratios below 3:1 and 1:3 for controlling end and/or
intermediate limits of reciprocating or rotary motions. This device extends
the line of Gemco Rotary Limit Switches by providing ultra-sensitive control
for small increments or movement. External mounting holes enable switch
mounting without internal interference. Available in 2, 3 and 4 circuit units
with either SPDT or DPDT switches. Permissible speeds to 1000 rpm.
NEMA 12, 4, & 7 style enclosures
Shaft with Woodru Key for quick drive
connection
Snap Action Switches – SPDT or DPDT –
UL Recognized and CSA approved
mounting
either direct or sprocket drive applications
ee dierent positions
in thr
tentiometer outputs available upon request.
Gear ratios from 1:3 to 3:1
–
Mounting holes are provided for
2000 & 2006 Series
Right Angle Gear Reducer Adapter
EMA 4 enclosure, made of cast aluminum with ½" slotted input
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shaft. Flange Mount 40:1 Right Angle Gear Reducers are available for both
the 2000 and 2006 Series Rotary Limit Switches.
NEMA 4 – Rugged, Cast Aluminum base-
½" Input Shaft with slotted keyway
plate
for quick drive connection
½" Input
Optional Po-
Gear ratio
Spur Gear NEMA 4 Enclosure
Unique
40:1
Switch
and 2006 Series.
2000 Series P/N
2006 Series–2 Circuit Model P/N
2006 Series–4 Circuit Model P/N
..................SD0384300
–
in addition to ratio on Rotary Limit
Bases available for 2000 Series
....SD0315400
....SD0315100
2006 with
Right Angle
Gear Reducer
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2006 Series
2006 Series General Purpose
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cast aluminum with ½" input shaft. External mounting holes enable switch
mounting without internal interference. Available in 2, 3 and 4 circuit units
with either SPDT or DPDT switches, with ratios from 5:1 to 1080:1. Permissi-
ble speeds to 2000 rpm.
ater-tight / Oil-tight / Dust tight NEMA 4 / 5 enclosure, made of
NEMA 4
4-circuit Enclosure
NEMA 4/5 Rugged, Cast Aluminum enclo-
½" Input Shaft with Woodru Key
sure
for quick drive connection
from 5:1 to 1080:1
– SPDT or DPDT with isolated contacts –
UL Recognized
output available upon request
Pneumatic Switches available upon request.
Snap Action Switches
Optional Potentiometer
Gear ratios
Optional
NEMA 4
2-circuit Enclosure
2006 2-circuit with Optional Potentiometer
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