70 Series End Mount Hazardous Location

NEMA Frame Sizes 182TC through 256TC
Torque Ratings: 10 to 75 lb-ft
Base Models: FR71010-9, FR71015-9, FR72025-9, FR73035-9, FR74050-9, FR75075-9

Enclosure Type:

Division 1 Hazardous Location: NEMA 7 and 9
Dripproof Enclosure: NEMA 2
Cast iron enclosure
Red oxide primer paint

Specifications:

Reaction Time: 20-25 milliseconds (release and set)
AK: 8.50” Register
AJ: 7.25” Bolt Circle
Maximum RPM: 3600
UL File: #E27811
Class I – Groups C and D, Class II – Groups E, F and G
Coil insulation: Class B standard, Class H options
Manual: BK4606

Design Features:

Direct acting design with no linkages to break
Torque adjustable for specific applications
Manual release with automatic reset
Splined hub
Spring set, electrically released
Foot mounting bracket

Brake Model Number Definition

Voltages:

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

Standard Hub Bore Sizes:

Suffix | Size | Keyway
F | 7/8″ | 3/16″ x 3/32″
H | 1-1/8″ | 1/4″ x 1/8″
K | 1-3/8″ | 5/16″ x 5/32″
M | 1-5/8″ | 3/8″ x 3/16″

Special Bore Sizes Available

Available Options:

Suffix | Description
H | Heavy Duty Friction Disc(s)
P | Tropical Protection
Q | Class H Insulation
R | Internal Space Heater
S | Stainless Steel Stationary Disc(s)
VO | Vertical Over Motor Mounting
VU | Vertical Under Motor Mounting

Downloads, Instructions & Parts Lists

Model R70000-9 (BK4606)

Torque (lb-ft)	Model #	Weight (lbs)	Thermal Capacity (HPS/Min)	Inertia (lb-ft2)	"C"	"AH" Max	"AH" Min	"AC"
10	FR71010-9	69	10	0.035	10.62	3.43	2.37	3.62
15	FR71015-9	69	10	0.035	10.62	3.43	2.37	3.62
25	FR72025-9	74	11	0.076	11.25	3.75	2.62	4.25
35	FR73035-9	79	12	0.102	11.87	4.37	3.00	4.87
50	FR74050-9	84	13	0.130	12.50	5.12	3.50	5.50
75	FR75075-9	84	13	0.130	12.50	5.12	3.50	5.50