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CMS 250 Product Brochure

CMS 250 Product Brochure

CMS 250 Product Brochure

Product catalog summary
Overview: The CMS 250 Series Commercial MagStop clutch/brakes are engineered for heavy-duty mowers with decks up to 96 inches and engines up to 37 HP. They are designed for continuous duty and long life, featuring a rugged construction.
Design Features: The CMS 250 includes patented modular permanent magnet brakes for consistent torque, large armature bearings, and a patented D-drive mounting adapter. It offers a simple re-gap option to double clutch life and features a low-profile connector for easy cable replacement. The clutch is made in the USA and uses encapsulated coils with high-temperature materials.
Bearings: The CMS 250 uses robust 6008 and 6208 series bearings, thermally isolated from the coil, with high-temperature seals and grease.
Performance Specifications: The CMS 250 has a B10 life of 25,000 cycles at 2000 hours, supports engines up to 37 HP, and is suitable for commercial applications with decks up to 96 inches. It operates in temperatures from -40º to +200ºF, with bearing temperatures up to +350ºF, and input speeds up to 3600 RPM. The system voltage ranges from 12.0 to 14.0 volts with a steady state current of 6 to 7 amps.
Compliance and Standards: The product meets ANSI Standard B71.4-1990, requiring a stop time no greater than 7 seconds for commercial applications. The brake design extends this standard throughout the clutch's life.
Contact Information: The document provides contact details for various Altra Industrial Motion locations and divisions, including Warner Electric, Matrix International, and others, for application assistance and product inquiries.
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Catalog excerpts

CMS 250 Product Brochure-1

Altra Industrial An Altra Industrial Motion Company

 Open the catalog to page 1
CMS 250 Product Brochure-2

CMS 250 Clutch/Brake The CMS 250 Series Commercial MagStop clutch/brakes are designed for heavy duty mowers with up to 96” decks and engines up to 37 HP. Rugged design for continuous duty and long life Easy, no hassle re-gap option which doubles clutch life and is less prone to adjustment error than mechanical spring set brakes Low profile integral connector helps prevent lead wire fatigue and protects the clutch by making the cable assembly the serviceable component Completely encapsulated coils, over-molded in high temperature engineered plastic Patented, modular, permanent magnet brakes provide...

 Open the catalog to page 2
CMS 250 Product Brochure-3

Larger, more robust 6008 and 6208 series bearings have been implemented on the CMS 250. The field bearing by design is thermally isolated from the coil and utilizes high temperature fluorinated grease and high temperature seals. Pulley Bearings Field Bearings APPLICATION SIZE OPERATING SPEED • Bio life of 25,000 cycles at 2000 hours 1 Commercial applications up to 96" decks 1 Bearing operating temperatures - 1 System voltage of 12.0 to 14.0 volts with a steady state current between 6 to 7 amps Stop Time vs. Cycle Count 72" High Inertia Deck Stand Typical Spring Stop Style ANSI Standard B71.4-1990...

 Open the catalog to page 3
CMS 250 Product Brochure-4

Altra Industrial Motion All Customer Service phone numbers shown in bold Electromagnetic Clutches and Brakes Heavy Duty Clutches and Brakes Overrunning Clutches Warner Electric Ameridrives Couplings Wichita Clutch Formsprag Clutch Electromagnetic Clutches and Brakes Mill Spindles, Ameriflex, Ameridisc Pneumatic Clutches and Brakes Overrunning Clutches and Holdbacks Gear Couplings Wichita Falls, TX - USA 1-800-964-3262 Bedford, England +44 (0) 1234 350311 For application assistance: 1-800-348-0881 – Press #2 Twiflex Limited Marland Clutch St Barthelemy d’Anjou, France +33 (0) 2 41 21 24 24 Precision...

 Open the catalog to page 4

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.