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120-901 Datasheet, PDF (1/3 Pages) List of Unclassifed Manufacturers – RELAYS AND CONTAC TOR S
RELAYS AND CONTACTORS
D.C. P o w e r C o n t a c t o r s – Ty p e 12 0
Type 120
STANCOR
Part
Sec. Number
Duty
Cycle
Terminal Pole
Type* Form
Bracket
Style
Coil
Coil Resistance
Volt. (Ohms) Contact
D.C. @ 25˚CMaterial
Contact Rating-(Amps.)
Inductive Load
Volt. Normally Open Normally Closed
D.C. Continuous Inrush** Continuous Inrush
Dimensions
Inches
Case
L WH
Weight Agency✳
(oz.) Certif.
A 120-901 Continuous 4 SPNO Standard 12 16.0 Silver Alloy 12
100
400
-
- 2.13 2.88 3.25 6.0
-
120-907 Continuous 4 SPNO L
12 16.0 Silver Alloy 12
100
400
-
- 2.50 3.00 3.25 6.0
-
120-943 Continuous 5 SPNO L
12 16.0 Silver Alloy 12
100
400
-
- 2.50 3.00 3.25 6.0
-
120-913 Continuous 3 SPNO Standard 12 16.0 Silver Alloy 12
100
400
-
- 2.13 2.88 3.25 6.0
-
B 120-906 Intermittent‡ 4 SPNO Standard 12
6.0 Copper 12
80
400
-
- 2.13 2.88 3.25 6.0
-
120-912 Intermittent‡ 4 SPNO L
12
6.0 Copper 12
80
400
-
- 2.50 3.00 3.25 6.0
-
120-902 Continuous 4 SPNO Standard 15 20.8 Silver Alloy 15
100
400
-
- 2.13 2.88 3.25 6.0
-
120-908 Continuous 4 SPNO L
15 20.8 Silver Alloy 15
100
400
-
- 2.50 3.00 3.25 6.0
-
120-903 Continuous 4 SPNO Standard 18 37.0 Silver Alloy 18
100
400
-
- 2.13 2.88 3.25 6.0
-
C 120-904 Continuous 4 SPNO Standard 24 64.0 Silver Alloy 24
100
400
-
- 2.13 2.88 3.25 6.0
-
120-910 Continuous 4 SPNO L
24 64.0 Silver Alloy 24
100
400
-
- 2.50 3.00 3.25 6.0
-
120-905 Continuous 4 SPNO Standard 36 160.0 Silver Alloy 36
100
400
-
- 2.13 2.88 3.25 6.0
-
120-911 Continuous 4 SPNO L
36 160.0 Silver Alloy 36
100
400
-
- 2.50 3.00 3.25 6.0
-
D 120-914 Continuous 6 SPNO Standard 15 23.0 Silver Nickel 15
100
400
-
- 2.13 2.87 3.09 6.0
-
120L-915 Continuous 7 SPNO L
12
6.0 Silver Alloy 12
80
400
-
- 2.50 3.00 3.14 6.0
-
–– Water Resistant
‡ Intermittent Duty Cycle = 30 seconds “on” maximum and 6 minutes “off”
* Terminal Type: “4” = Isolated Coil, “6” = Isolated Coil Automotive, “7” = Latching Contacts
** Inrush Current: Current applied within the first 1/2 second of contact closure
For outline drawings refer to page 53.
Engineering Design Data
Coil Rating
Nominal
Magnetic
D.C. Coil Rating
Type (Watts)
Operation in % of Nom.
Coil Voltage Rating
Pick-up
Max.
Safe
Operate
Breakdown Voltages
All Terminals - 60 Hz RMS
Open
Contacts
Opposite Same
To
Polarity Polarity Ground
120
-
75%
110%
500
500
500
Contact Material
Power
Pilot
Copper
-
Silver Alloy
Electrical Life
Oper.
Oper. At Per
Rated LoadMin.
10,000 2
50,000 2
Mechanical Life
Oper. At
No Load
100,000
100,000
Oper.
Per
Min
30
30
Max.
Oper.
Temp.
°F
150
Temperature Range
–– Intermittent Duty: -20°F to 150°F
–– Continuous Duty: -20°F to 120°F
Power (approximate)
–– Continuous 8.1 watts
–– Intermittent 14.4 watts
Terminations
–– Contacts: 5/16" - 24 studs, UNF - 2A thread
–– Coil: #10-32, UNF - 2A thread
Recommended Mounting
–– Coil terminals up or horizontal
Hardware Torque Specification
–– Contact Terminal: 45-55 inch-lbs.
–– Coil Terminal: 12-18 inch-lbs.
–– Caution:A back up wrench must be used to hold the bottom
nut stationary
Type 120 Custom Design Capabilities
–– Coil Voltages 6VDC through 48VDC
–– 1/4" Contact Studs
–– 1/4" Q.C. Coil Terminals
–– U.L. 94-VO rated case material
–– Please complete application data form on page 95 of this section
Note:Caution must be used in coil selection for use in 12 volt systems where battery charging may expose coil to continuous,
higher-than-rated voltage. Stancor will not be responsible for consequences of misapplied solenoids.
52
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