WHITE-RODGERS 70-111225 DC Power Contactors Instructions
- June 13, 2024
- WHITE RODGERS
Table of Contents
DC POWER
CONTACTORS – SPNO
70-111225 DC Power Contactors
Type 70 SPNO
TYPE 70 CONTACTORS – SPNO
Single Pole Normally Open Contact, Case is Dust Resistant and
Isolated from Ground
WARNING – FIRE HAZARD
Must be installed in a dry and protected place. Failure to protect solenoid
from water and other contaminants could result in Fire, Property Damage,
Serious Personal Injury, or Death.
SPECIFICATIONS
| Dimensions. | 2.47”L x 3.48”W x 2.40”H |
|---|---|
| Weight | 14 oz. |
| Temperature Range | -40° to +122°F |
| Terminations, Contacts | 5/16”-24 UNF-2A thread |
| Terminations, Coil | #10-32 UNF-2A thread |
| Recommended Mounting | Plunger vertical with cap down |
| Hardware Torque, Contact Terminal | 45-55 in. lbs. |
| Hardware Torque, Coil Terminal | 12-18 in. lbs.
Caution: A back-up wrench must be used to hold the bottom nut stationary.
Agency| U.L. 538 Recognized, File AU2138
Model
Number| Duty
Cycle 3| Terminal
Type 1| Pole
Form| Bracket
Style| Coil
Voltage
D.C.| Coil Resistance (Ohms) 2| Contact
Material| Contact Rating (Amps) — Inductive Load
---|---|---|---|---|---|---|---|---
Voltage| Normally Open
D.C.| Continuous| Inrush
70-111225| Continuous| 3A| SPNO| Standard| 12| 16| Copper| 12| 80| 150
70-111224| Continuous| 4| SPNO| Standard| 12| 16| Copper| 12| 80| 150
70-117224| Continuous| 4| SPNO| Standard| 24| 60| Copper| 24| 50| 50
70-120224| Continuous| 4| SPNO| Standard| 36| 114| Copper| 36| 50| 50
- “3A” = Coil Grounded to Case “4”=IsolatedCoil
- Coil resistance in Ohms @ 25°C
- Intermittent duty designs available.
TRANSFORMERS / RELAYS
Type 120 SPNO
TYPE 120 CONTACTORS – SPNO
Single Pole Normally Open Contact, Dust Resistant, Water Resistant
and Case is Isolated from Bracket
SPECIFICATIONS
| Dimensions | 2.13”L x 2.88”W x 3.09”H (Std. Bracket) |
|---|---|
| Dimensions. | 2.50”L x 3.00”W x 3.03”H (L-Shaped Bracket) |
| Weight | 6.0 oz. |
| Temperature Range , Intermittent Duty | -20° to +150°F |
| Temperature Range, Continuous Duty | -20° to +120°F |
| Terminations, Contacts | 5/16”-24 studs, .495” min. length |
| Terminations, Coil | #10-32, .451” min. length |
| Recommended Mounting | Coil terminals up or horizontal |
| Hardware Torque, Contact Terminal | 45-55 in. lbs. |
| Hardware Torque, Coil Terminal | 12-18 in. lbs. |
Model
Number| Duty
Cycle 1| Terminal
Type 2| Pole
Form| Bracket
Style| Coil
Voltage
D.C.| Coil
Resistance
(Ohms) a| Contact
Material| Contact Rating (Amps) — Inductive Load
---|---|---|---|---|---|---|---|---
Voltage| Normally Open
D.C.| Continuous| Inrush 4
120-105711| Continuous| 4| SPNO| Standard| 12| 16| Silver Alloy| 12| 100| 400
120-105851| Continuous| 3A| SPNO| Standard| 120| 16| Silver Alloy| 12| 100|
400
120-106131| Intermittent| 4| SPNO| Standard| 12| 6.0| Copper| 12| 80| 400
120-106132| Intermittent| 4| SPNO| L| 12| 6.0| Copper| 12| 80| 400
120-107112| Continuous| 4| SPNO| L| 14| 26.0| Silver Alloy| 14| 100| 400
- Intermittent Duty Cycle = 30 seconds “ON” maximum and 6 minutes “OFF”
- “4” = Isolated Coil
- Coil resistance in Ohms @ 25°C
- Inrush Current: Current applied within the first 1/2 second of contact closure
- Coil grounded to bracket
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. 14 volt coils are recommended. White-Rodgers will not be responsible for consequences of misapplied solenoids.
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