Stearns® Datasheets for Electric Brakes

Electric brakes are assemblies consisting of electrical elements for the slowing or stopping of shafts in equipment drives. Electrical power is required to activate the brake.
Electric Brakes: Learn more

Product Name Notes
Features & Benefits Designed for industrial applications requiring high performance in a compact lightweight package. Spring-set electrically released Adjustable torque, down to 50% of rated nameplate torque Manual wear adjustment...
Features & Benefits Ideal for holding only applications. Self-adjusting design Splined hub Spring-set electrically released Coil insulation: Standard Class B Optional Class H ABS Type Approval Certified
Features & Benefits Mounted directly to NEMA 284TC through 286TC frames. Includes all the other features of the Series 87,000. Encoder located in protected environment - enclosed inside the brake...
Features & Benefits Primarily used for overhead doors Spring-set electrically released Adjustable torque, down to 50% of rated nameplate torque Manual wear adjustment Airgap adjust gage Splined hub Universal mounting...
Features & Benefits Provides a stop and hold, typically of a motor shaft, until the control logic disengages (removes the power or voltage from the unit’s coil). 56C through 215TC...
Features & Benefits Robust design makes this brake ideal for dynamic applications. Self-adjusting design Larger hub designed with more splined teeth for dynamic stopping Splined stationary disc and pressure plate...
Features & Benefits Series 310 is a high performance Servo brake for holding-only applications. Low backlash Class H insulation Corrosion resistant finishes Low inertia rotating parts Splined hub for quiet...
Features & Benefits Series 311 is a compact, high torque servo brake for holding-only applications. Low backlash Class H insulation Corrosion resistant finishes Low inertia rotating parts Splined hub for...
Features & Benefits Series 321 provides dynamic stopping or holding torque in a compact package. Fixed air gap design Optional AC Rectifiers - internal, or external in-line (availability depends on...
Features & Benefits Series 322 provides dynamic stopping or holding torque in a compact package. Mounts to NEMA 56C motors. Fixed air gap design Optional AC Rectifiers - internal, or...
Features & Benefits Series 322 provides dynamic stopping or holding torque in a compact package. Fixed air gap design Optional AC Rectifiers - internal, or external in-line (availability depends on...
Features & Benefits Series 330 is a value priced brake, with no manual release option. Ideal for high cycle applications Class H coil Few moving parts Comes standard with carrier...
Features & Benefits Series 331 is features IEC standard mounting patterns, for drop in replacement, and is available with NEMA C-Face modifications. Ideal for high cycle applications Class H coil...
Features & Benefits Series 333 features torque and wear adjustment capabilities and is a direct interchange with European brake manufacturers. Ideal for high cycle applications Class H coil Optional manual...
Features & Benefits Series 350 pressure plate mount is ideal for portal crane applications. Class H insulation ABS, CSA and CE certification Simple wear adjustment with access hole for air...
Features & Benefits Series 360 magnet body mount, both for NEMA C-face or IEC mounting is ideal for portal crane applications. ABS, CE, and CSA Certification Brake gaskets are captive...
Features & Benefits Stearns 1-082-3X4-06 series of electric fail-safe motor brakes are now certified for use in underground mines by the federal Mine Safety and Health Administration (MSHA). Stearns is...
Features & Benefits These units are designed for industrial applications that fit between a standard C-Face motor and gear reducer. They can also be used to retrofit installed units without...
Features & Benefits Unlike the other 56,000 Series, the 56,500 mounts to 182 - 256 TC frame Spring-set electrically released Adjustable torque, down to 50% of rated nameplate torque Manual...
Features & Benefits Available for close coupled directly to the motor and fan guard mount Class H coil Normally closed thermostat Self-adjusting for wear ABS Type Approval Certified Class 1...
Features & Benefits Available for close coupled directly to the motor and fan guard mount Visual wear indicator Class H coil Normally open & normally closed thermostat No modification required...
Features & Benefits Double solenoid design terminal block provided Self-adjusting design Maintained manual release with auto rest Splined hub Spring-set electrically released Coil Insulation: Standard Class B Optional Class H...
Features & Benefits Encoder located in protected environment - enclosed inside the brake housing Choice of popular encoder manufacturers Assembly Self-Adjusting Design Splined Hub Spring-Set Electrically Released Lead Wire Length:...
Features & Benefits Fail-safe design - spring set, electrically released Low power requirements - simple on/off control Pre-adjusted air gap for easy assembly Maintenance free – designed to last High...
Features & Benefits Ideal for high cycle applications Few moving parts Comes standard with carrier friction disc Class H coil Optional manual release
Features & Benefits Ideal for high cycle applications Few moving parts Comes standard with carrier friction disc Class H coil Optional manual release Torque adjustable
Features & Benefits Ideal for high cycle applications O-ring on hub to prevent friction ring rattle Internal quiet features prevent noise during setting and releasing of brake Class H coil...
Features & Benefits Replaceable friction pads and pucks for low cost maintenance High torque capacity ─ exceeds range of NEMA & IEC frame motor brakes Simple, low-maintenance installation Electric operation...
Features & Benefits Self-adjusting for wear Normally closed thermostat Class H insulation ABS Type Approval Certified Class 1 Group A, B, C, & D Class 2 Group F & G...
Features & Benefits Series 320 is designed for commercial duty, small gear motors Torque rating 3 to 50 lb-in / (.34 to 5.6 NM) UR and CUR Recognized insulation system,...
Features & Benefits Series 321 provides dynamic stopping or holding torque in a compact economical package. TENV totally-enclosed non-ventilated Series 321= IP42 Enclosure, Series 322 = IP54 Enclosure Out-of-box torque...
Features & Benefits Series 322 provides dynamic stopping or holding torque in a compact economical package. TENV totally-enclosed non-ventilated Series 321= IP42 Enclosure, Series 322 = IP54 Enclosure Out-of-box torque...
Features & Benefits Splined Heavy Duty Hub Specialty Designed Friction Disc - For Higher Operating Temperature & High Inertia Loads Cast Iron Endplate Internal Manual Release Housing Nut O-Rings Sealed...
Features & Benefits Spring-set electrically released Adjustable torque, down to 50% of rated nameplate torque Manual wear adjustment Airgap adjust gage Splined hub Universal mounting through 15 lb-ft. The 20...
Features & Benefits Spring-Set Electrically Released Single-disc caliper design Simple wear adjustment for easy maintenance Knock-out plug on housing for through-shaft applications Maintained manual release with automatic reset Mount in...
Features & Benefits Style SCEB, Class S3 Spring-Set Brake is end shaft mounted with base Released when voltage is applied Stearns Style SCEB, Class S3 Brake is a high torque,...
Features & Benefits Suitable for many shipboard and severe duty applications Maintained Manual Release with Auto Rest Self-Adjusting for wear Cast Iron Enclosure Brass Pressure Plate and Stationary Discs IP...
Features & Benefits Suitable for many shipboard and severe duty applications Maintained Manual Release with Auto Rest Self-Adjusting for wear Ductile Iron Enclosure Brass Pressure Plate and Stationary Discs IP...
Features & Benefits Suitable for many shipboard and severe duty applications Maintained manual release with autorest Self-adjusting for wear Cast iron enclosure Brass pressure plate and stationary discs IP 54,...
Features & Benefits Suitable for many shipboard and severe duty applications Maintained manual release with autorest Self-adjusting for wear Cast iron enclosure Brass pressure plate and stationary discs IP 56...
Features & Benefits Suitable for many shipboard and severe duty applications Maintained manual release with autorest Self-adjusting for wear Ductile iron enclosure Brass pressure plate and stationary discs IP 54...
Features & Benefits These units are designed for industrial applications that fit between a standard C-Face motor and gear reducer. They can also be used to retrofit installed units without...
Features & Benefits Universal mounting through 15 lb-ft. 10 and 15 lb-ft. supplied with springs for vertical modifications Normally closed thermostat Class H insulation Maintained side lever manual release with...
Series 321 provides dynamic stopping or holding torque in a compact package. Mounts to NEMA 56C motors. Fixed air gap design Optional AC Rectifiers - internal, or external in-line (availability...
Static Torque: 1.5 through 25 lb-ft Enclosure Material: Die Cast Aluminum Enclosure Protection: IP 23 Release Type: Side Release Knob Maximum overhung or side load measured at one inch from...
Static Torque: 6 through 105 lb-ft. Enclosure Material: Cast Iron Endplate and Housing Release Type: Side Lever, maintained with automatic release. Enclosure Protection: IP 23 & 54 Maximum overhung, or...