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Series Light Cam® and Light Cam® M Geared Cam Limit Switches

Series Light Cam® and Light Cam® M Geared Cam Limit Switches

Product catalog summary

Overview
Altra Motion is a leading provider of electromechanical power transmission and motion control components, serving diverse industries with products such as brakes, motors, and clutches. Stromag, a brand under Altra, focuses on power transmission components for industrial drivetrain applications, offering solutions like flexible couplings, disc brakes, and limit switches.

Stromag Geared Cam Limit Switches
The Series Light Cam® and Light Cam® M are geared cam limit switches designed for precise control in applications like cranes, wind turbines, and stage machinery. Key features include a form-fit gear design, self-locking cam discs, and a high gear ratio of 74 for cam adjustments, operating within a temperature range of -40°C to +80°C.

Basic Limit Switch Features

Combined worm/spur gear for high gear reductions
Available with 4 or 8 contacts
Housing options: IP65 synthetic or IP66 aluminum

Gear Data

Cam discs with precise adjustment and a diameter of 42.5 mm
Self-locking design with a high gear ratio
Various nominal revolutions and torque specifications for different applications

Switching Contacts

Contacts available in silver and gold, suitable for relays and PLC applications
Positive opening contacts for up to 10 million operations
Options for screw or flat plug connections

Customizable Options

Cam discs with customizable angles for different switching programs
Optional drive flanges for easy adaptation to crane hoists and belt drives
Anti-condensation heating for high humidity environments
Potentiometer for cost-effective analog measurement

Additional Features

Optional encoders (analog, incremental, SSI multiturn, CANopen multiturn, internal Profinet)
Highly customizable solutions to meet specific application needs

Specifications and Features

Light Cam® / Light Cam® M – Analog Encoder: Features contactless measuring, absolute value acquisition, and a long lifetime. Suitable for simple absolute signal measurements. Technical data includes a 360° measuring range, 12-bit resolution, and a supply voltage of 16-35 V DC.
Light Cam® / Light Cam® M – Incremental Encoder: Offers optical measuring with up to 3600 increments. Provides speed and position information. Technical data includes RS422 Push-Pull interface, power supply options, and a maximum frequency of 300 kHz.
Light Cam® / Light Cam® M – SSI Multiturn Encoder: Provides high precision absolute value measurement without gears. Uses energy harvesting technology. Technical data includes resolutions up to 39 bits, SSI interface, and operating temperature range of -40°C to +85°C.
Light Cam® / Light Cam® M – CANopen Multiturn Encoder: Features binary code and CANopen protocol. Offers programmable CAN transmission modes. Technical data includes resolutions up to 39 bits and a power supply of 10-32 V DC.
Light Cam® / Light Cam® M – Internal Profinet Encoder: Integrated Profinet encoder with magnetic sensing principle. Technical data includes singleturn resolution up to 16 bits and a power consumption of approximately 4 W.

Applications

These limit switches are used for various applications requiring different levels of precision and measurement types, such as speed and position information, high accuracy demands, and simple absolute signal measurements.

Additional Information

Customizable options are available for most parts, including pinion wheels and other components.
Altra Motion offers a wide range of products, including clutches, brakes, couplings, and more, catering to various industrial needs.

Global Facilities

Stromag and Altra Motion have facilities across Europe, North America, South America, and Asia Pacific, providing a wide range of products and services globally.

Catalog excerpts

Series Light Cam® and Light Cam® M Geared Cam Limit Switche

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Stromag Founded in 1932, Stromag has grown to become a globally recognized leader in the development and manufacture of innovative power transmission components for industrial drivetrain applications. Stromag engineers utilize the latest design technologies and materials to provide creative, energy-efficient solutions that meet their customer’s most challenging requirements. Stromag’s extensive product range includes flexible couplings, disc brakes, limit switches, an array of hydraulically, pneumatically, and electrically actuated brakes, and a complete line of electric, hydraulic and pneumatic...

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Series Light Cam® and Light Cam® M Geared Cam Limit Switches-3

Stromag Geared Cam Limit Switches CONTENT Catalog Series Light Cam® and Light Cam® M: II At a Glance Series Light Cam® / Light Cam® M – Basic Limit Switch Series Light Cam® / Light Cam® M – Switching Contacts 99 Series Light Cam® / Light Cam® M – Switching Contacts 80-90 Series Light Cam® – Light Cam® B3 Series Light Cam® – Light Cam® B5 Series Light Cam® – Light Cam® Metal B3 Series Light Cam® – Light Cam® Metal B5 Light Cam®/ Light Cam® M – Customizable Cam Discs Light Cam® / Light Cam® M – Optional Drive Flanges Light Cam® / Light Cam® M – Option: Anti-Condensation-Heating Light Cam® / Light...

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Series Light Cam® and Light Cam® M Geared Cam Limit Switches-4

Stromag Geared Cam Limit Switches AT A GLANCE STROMAG LIGHT CAM® AND LIGHT CAM® M BENEFITS INCLUDE • Form fit gear • Self locking design for the cam discs • High gear ratio of 74 for adjusting the cams • Drive of incremental and absolute encoders possible • Operating temperature: -40 °C - + 80°

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Series Light Cam® and Light Cam® M Geared Cam Limit Switches-5

Stromag Geared Cam Limit Switches Limit Switch Control Current Worm / Bevel Geared Cam Limit Switches Series Light Cam® / Light Cam® M – Basic Limit Switch Revision number: 3.1.2.1-01 Features • Combined worm / spur gear for high gear reductions requiring less mounting space • 4 or 8 contacts available Application • Crane • Wind • Stage Additional information • IP65 synthetic housing or IP66 aluminum housing available

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Series Light Cam® and Light Cam® M Geared Cam Limit Switches-6

Stromag Geared Cam Limit Switches Limit Switch Control Current Worm / Bevel Geared Cam Limit Switches Series Light Cam® / Light Cam® M – Gear Data Revision number: 3.1.2.2-01 Features • Cam discs with precise adjustment and cam diameter of 42.5 mm • Form fit gear design Additional information • Self-locking design for the cam discs • High gear ratio of 74 for the cam adjustment One revolution of the wormgear corresponds to 4,865° on the ca disc m Adjustment worm Cam disc Switching Contacts Switching Contacts Min. input speed [rpm] (only when used as a changeover) Max.drive torque [Nm] for forced...

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Series Light Cam® and Light Cam® M Geared Cam Limit Switches-7

Stromag Geared Cam Limit Switches Limit Switch Control Current Worm / Bevel Geared Cam Limit Switches Series Light Cam® / Light Cam® M – Switching Contacts 99 Revision number: 3.1.2.3-01 Features • Contacts with positive opening • For up to 10 million switching operations • Gold plated contacts on request • Push or snap action contacts Additional information • Silver contacts for Relais • Screw or flat plug connections Circuit diagram Switching system Electrical data Short circuit protection Positive opening acc. to EN 60947–5–1 Annex K Standard wire output Gold (PLCApplication) Rated Insulation...

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Series Light Cam® and Light Cam® M Geared Cam Limit Switches-8

Stromag Geared Cam Limit Switches Limit Switch Control Current Worm / Bevel Geared Cam Limit Switches Series Light Cam® / Light Cam® M – Switching Contacts 80 – 90 Revision number: 3.1.2.3-01 Features • Snap – and push action contacts available in silver and gold • Galvanic isolated contacts possible • All contacts with positive opening Application • Silver contacts for relais • Gold contacts for PLC • Up to 3 contacts can be installed inside Additional information Circut diagram Rated Insulation Voltage Ui Gold (PLCApplication) Electrical data Short circuit protection Switching system Positive...

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Series Light Cam® and Light Cam® M Geared Cam Limit Switches-9

Stromag Geared Cam Limit Switches Limit Switch Control Current Worm / Bevel Geared Cam Limit Switches Series Light Cam® – Light Cam® B3 Revision number: 3.1.1.4-01 Features • Synthetic housing IP65 for outdoor application Application • Crane • Wind • Stage

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Series Light Cam® and Light Cam® M Geared Cam Limit Switches-10

Stromag Geared Cam Limit Switches Limit Switch Control Current Worm / Bevel Geared Cam Limit Switches Series Light Cam® – Light Cam® B5 Revision number: 3.1.2.5-01

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Series Light Cam® and Light Cam® M Geared Cam Limit Switches-11

Stromag Geared Cam Limit Switches Limit Switch Control Current Worm / Bevel Geared Cam Limit Switches Series Light Cam® – Light Cam® Metal B3 Revision number: 3.1.2.6-02 Application • Crane • Wind • Robust aluminum housing protection IP66

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Series Light Cam® and Light Cam® M Geared Cam Limit Switches-12

Stromag Geared Cam Limit Switches Limit Switch Control Current Worm / Bevel Geared Cam Limit Switches Series Light Cam® – Light Cam® Metal B5 Revision number: 3.1.2.7-02 Option: Cable gland M20x1,5 10-14mm / 6-12mm / 5-9mm Earth connection M5

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Series Light Cam® and Light Cam® M Geared Cam Limit Switches-13

Stromag Geared Cam Limit Switches Limit Switch Control Current Worm / Bevel Geared Cam Limit Switches Light Cam® / Light Cam® M – Customizable Cam Discs Revision number: 3.1.2.8-01 • 40 degree cam discs standard • For different switching programs cam discs with customized angles can be manufactured • Other cam angles on request Cam angle diagram Effective cam angle α (=castor angle) Effective cam angle β Switching point radius Reset point radius Application examples Effective cam angle 15° Effective cam angle 60° Effective cam angle 90° Effective cam angle 45° The cam discs are named after the...

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