71-108221-2 Datasheet, PDF (1/3 Pages) List of Unclassifed Manufacturers – High current capacity control

WHITE-RODGERS
DC PRODUCTS
Type 70 and 71
contactors
FEATURES
• High current capacity control
• Isolated or grounded coils
• Enclosed in dust-resistant case
• Longer steel encasement permits lower heat rise and
more sensitive operation on Type 71
Contacts
ENGINEERING DATA
• Pole form– SPNO, SPDT
• Material– SPNO-copper or silver
SPDT-copper and  silver or all silver
• Termination– ⁵/₁₆”-24 UNF-2A thread
Type
70
71
Volts DC
6
12
24 & 36
6
12
24 & 36
RATINGS
NO
Cont. Inrush
80A 300 A
80 A 150 A
50 A 50 A
80A 300 A
80 A 150 A
50 A 50 A
NC
Cont. Inrush
60A 100 A
60 A 60 A
30 A 30 A
60A 100 A
60 A 60 A
30 A 30 A
Coils
• Voltage–6 VDC through 36 VDC
• Termination–#10-32 UNF-2A thread
• Power (approximate)
Type 70 intermittent 23 watts
Type 70 continuous 9 watts
Type 71 intermittent 25 watts
Type 71 continuous 10 watts
• Connections
1. Two coil terminals isolated from case
2. One coil terminal with ground wire, one coil
terminal isolated from case
3. One coil lead common to NO terminal
marked “BAT” (one terminal)
• Operate (77°F/25°C)
75% of nominal coil voltage; 110% max. safe of
nominal coil voltage
GENERAL DATA
Dielectric Strength
• 500 Volts
Temperature Range
• -40°F/-40°C to 122°F/50°C
Mechanical Life (no load)
• 250,000 operations
Electrical Life (rated load)
• 100,000 operations
Mounting Position
• Recommended mounting with cap down
Vibration
• 5 g’s vertical and horizontal planes
Weight (approximate)
• Type 70–14.0 oz.
• Type 71–17.0 oz.
Duty Cycle
• Continuous
• Intermittent–10 seconds “on” maximum and
minimum 60 seconds “off”. One minute “on”
maximum and minimum 6 minutes “off”.
Hardware Torque Specification
• Contact Terminal: 45-55 inch-lbs.
• Coil Terminal: 12-18 inch-lbs.
• Mounting Bracket: 100 inch-lbs. max (a
backup wrench must be used to hold the
bottom nut stationary during installation)
COIL DATA
TYPE 70
TYPE 71
Resistance (Ohms)
Resistance (Ohms)
Volts DC Int.
Cont. Volts DC Int.
Cont.
6
1.5
4.0
6
1.4
3.5
12
6.2
16.0
12
4.9
13.5
18
16.0
37.4
18
13.46 36.0
24
23.9
60.4
24
20.1
57.1
36
60.4
114.0
36
57.1 131.0
St. Louis, Missouri Markham, Ontario
314-553-3600 905-948-3411
www.white-rodgers.com
The Emerson logo is a
trademark and a service mark
of Emerson Electric Co.
R-4003C
1233