Logo for Dings Dynamics Group featuring a red square with a white abstract design on the left, and the company name in black text to the right and below.
A cylindrical electric motor with a metallic shaft protruding from a silver front plate, black housing, and visible mounting holes, shown against a white background.

70 Series Double C Face Diract NEMA 2

NEMA Frame Sizes 182TC through 256TC
Torque Ratings:  10 to 75 lb-ft
Base Models: 71010-38, 71015-38, 72025-38, 73025-38, 72035-38, 73035-38, 73050-38, 74050-38, 74075-38

  • Dripproof Enclosure: NEMA 2, CSA 2, IP41
  • Cast iron bracket, aluminum housing and steel wrap cover
  • Red oxide primer paint
  • Reaction Time:  20-25 milliseconds (release and set)
  • AK: 8.50” Register
  • AJ: 7.25” Bolt Circle
  • Maximum RPM: 3600
  • CSA File: #LR13814
  • Coil insulation:  Class B standard, Class H optional
  • Lead wires: external conduit and internal connections
  • Nameplate: Engraved stainless steel
  • Manual: BK4620
  • RoHS compliant
  • No disassembly required for mounting
  • Direct acting design with no linkages to break
  • Torque adjustable for specific applications
  • Manual release with automatic reset
  • One moving part for longer life
  • Splined hub
  • Spring set, electrically release
A labeled diagram explaining the parts of a product code, including series, torque, number of rotating discs, specification code, voltage & phase suffix, bore suffix, shaft suffix, and option code suffixes.

Standard AC Voltages (single and three phase)

Suffix | Voltage
Y1 | 110/220V, 50Hz (single phase only)
11 | 115/208-230V, 60Hz (single phase only)
R1 | 115/230V, 60Hz (single phase only)
T1 or T3 | 220/440V, 60Hz
51 or 53 | 208-230/460V, 60Hz
U1 or U3 | 230/460V, 60Hz or 190/380V, 50Hz
P1 or P3 | 575V, 60Hz

Special Voltages Available

Suffix | Bore | Shaft | Keyway
HH | 1-1/8” | 1-1/8” | 1/4” x 1/8”
KK | 1-3/8” | 1-3/8” | 5/16” x 5/32”

Special bore sizes available

Suffix | Description
B | Aluminum Bronze Stationary Disc(s)
E | Ductile Iron Stationary Disc(s)
F | Foot Mounting Bracket
H | Heavy Duty Friction Disc(s)
J | High Tensile Studs
M | Military Marine Finish
N | Non-Military (Maritime) Marine Finish
P | Tropical Protection
Q | Class H Insulation
R | Internal Space Heater
S | Stainless Steel Stationary Disc(s)
V | All Position Vertical Mounting
VO | Vertical Over Motor Mounting
VU | Vertical Under Motor Mounting
XS | Microswitch Warning

Model 70000-38; NEMA 2 (BK4620)

Torque (lb-ft)Model ## of Friction DiscsThermal Capacity (HPS/Min)Weight (lbs)Inertia (lb-ft2)"C""AH""X""AC"
1071010-38111450.0696.841.81**0.751.19
1571015-38111450.0696.841.81**0.751.19
2572025-38212490.117.472.44**1.381.63
2573025-38313530.158.093.1322.25
3572035-38212490.117.472.44**1.381.63
3573035-38313530.158.093.1322.25
5073050-38313530.158.093.1322.25
5074050-38414570.198.423.252.632.88
7574075-38414570.198.423.252.632.88
Technical engineering drawing of a mechanical component showing three views: front, side, and top. The drawing includes dimensions, labels, hole placements, and detailed notes about assembly and connections.