90 Series End Mount Brakes – Dripproof Enclosure Model: 2-90000-30 Torque: 180 through 450 lb. ft. NEMA Frame Sizes: 324TC through 364TC Certifications: NEMA 2, CSA 2, IP41 Construction: Cast iron bracket and cover Type of Release: Automatic reset Normal Reaction Time: (release and setting) 20-25 milliseconds Maximum RPM: 1800 Standard* Voltages Standard* Bore and Keyway Suffix Voltage Phase Y 110/220V, 50Hz 3 U 190/380V, 50Hz or 3   230/460V, 60Hz   R 115/230V, 60Hz 3 T 220/440V, 60Hz 3 P 575V, 60Hz 3 Suffix Bore Size Keyway O 2 1/8” 1/2”x1/4” P 2 3/8” 5/8”x5/16” Q 2 7/8” 3/4”x3/8”                   *Other voltages and bore sizes available. Contact Dings for details. Available Options Prefix Description A Adapter AB Reverse Adapter F Foot Mounting Bracket T Through Shaft V Vertical Mounting W Wear Indicator Switch XS Micro-Switch Warning (indicates brake engaged) BACK TO TOP VIEW DIMENSIONAL DATA

90 Series End Mount Brakes - Waterproof/Dusttight Enclosure Model: 4-90000-31 Torque: 180 through 450 lb. ft. NEMA Frame Sizes: 324TC through 364TC Certifications: NEMA 4, CSA 4, IP56 Construction: Cast iron bracket and cover Type of Release: Automatic reset Normal Reaction Time: (release and setting) 20-25 milliseconds Maximum RPM: 1800 Standard* Voltages Standard* Bore and Keyway Suffix Voltage Phase Y 110/220V, 50Hz 1 U 190/380V, 50Hz or 1   230/460V, 60Hz   R 115/230V, 60Hz 1 T 220/440V, 60Hz 1 P 575V, 60Hz 1 Suffix Bore Size Keyway O 2 1/8” 1/2”x1/4” P 2 3/8” 5/8”x5/16” Q 2 7/8” 3/4”x3/8”                   *Other voltages and bore sizes available. Contact Dings for details. Available Options Prefix Description A Adapter AB Reverse Adapter F Foot Mounting Bracket G Harsh Environment Protection M Marine Duty P Tropical Protection R Internal Space Heater T Through Shaft W Wear Indicator Switch V Vertical Mounting XS Micro-Switch Warning (indicates brake engaged) BACK TO TOP VIEW DIMENSIONAL DATA