4-73050-46 , 70 Series Double C Face Dings Brake

RoHS Compliance available upon request- can be constructed to meet the requirements of the Restriction of Hazardous Substances Directive
NEMA® Frame Sizes 182TC through 256TC
Products specifications
Torque 50 lb.ft
Enclosure NEMA 4
Weight 53 lb
Inertia (Wk²) 0.15 lb.ft²
Thermal Capacity 12 HPS/MIN
Dimension (C) 8.09 in
Dimension (AH) 3.13 in
Dimension (X) 2 in
Dimension (AC) 2.25 in
Construction Cast Iron/Aluminum
Reaction Time (Release and set) 20-25 ms
AK (Register) 8.5 in
AJ (Bolt Circle) 7.25 in
Maximum RPM 3600 rpm
Design Features Torque adjustable for specific applications CSA Approved File #LR13814 Coil insulation: Class B Standard, Class H Optional Spring set, electrically released Splined hub Manual release, automatic reset All position brake available Lead wires for conduit connections (internal connection available).
Enclosure Type Drip-proof Enclosure 6-70000-38 NEMA 2, CSA 2, IP41 Cast iron bracket and aluminum housing with steel wrap cover Waterproof/Dusttight Enclosure 4-70000-46 NEMA 4, CSA 4, IP56 Cast iron bracket and aluminum housing with Neoprene gasketed steel wrap cove Washdown Enclosure : NEMA 4X, CSA 4, IP56 Cast iron bracket and aluminum housing with FDA Approved white epoxy paint BISSC Certified Authorization #695.
Standard Voltages (Single and Three phase) (Y) - 110/220V, 50Hz
(U) - 230/460V, 60 Hz or 190/380V, 50 Hz
(R) - 115/230V, 60 Hz
(T) - 220/440V, 60 Hz
(P) - 575V, 60 Hz
Standard Hub Bore & Shaft Sizes (F) - 7/8 in - (Keyway - 3/16 in x 3/32 in)
(J) - 1-1/4 in - (Keyway - 1/4 in x 1/8 in)
(K) - 1-3/8 in - (Keyway - 5/16 in x 5/32 in)

(H) - 1- /8 in - (Keyway - 1/4 in x 1/8 in)
(M) - 1-5/8 in - (Keyway - 3/8 in x 3/16 in)
Available Options (A) - Adapter to Larger Frame Size(s)
(AB) - Reverse Adapter
(P) - Tropical Protection
(Q) - Class H Insulation
(F) - Foot Mounting Bracket
(M) - Marine Duty (IEEE 45, CFR110.10-1)
(N) - Harsh Environment Protection
(R) - Internal Space Heater
(S) - Stainless Steel Stationary Disc
(XS) - Micro-Switch Warning
(E) - Ductile Iron Stationary Disc
(H) - Heavy-Duty Rotating Friction Disc
(J) - High Tensile Studs
(VO) - Vertical Over, or above motor (Vertical Mounting)
(VU) - Vertical Under, or below motor (Vertical Mounting)
Instructions and Parts Manual BK4620
Notes For 10 or 15 lb-ft brake with 1-3/8” bore, the motor shaft may need to be modified. See dimension “AH”.For 25 or 35 lb-ft brake with 1-3/8” bore, use the 3-disc version.For brakes with 1-5/8” bore, motor shaft must be modified. Maximum shaft length shown as dimension “AH”.