Product Technical Spec.
Overall Height:
2.719 inches
Overall Width:
2.719 inches
Individual Section Quantity:
4
Longest Horizontal Distance Between Mounting Centers:
2.281 inches single mounting facility
Longest Vertical Distance Between Mounting Centers:
2.281 inches single mounting facility
Switch Contact Basic Design:
Nonpile-up symmetrical
Pole Quantity:
1 each section front
Throw Quantity:
2 each section front
Mounting Method:
Bracket single mounting facility
Features Provided:
Actuator knob
Thready Qty Per Inch (tpi):
20 single mounting facility
Thread Size:
0.250 inches single mounting facility
Contact Voltage Rating In Volts:
250.0 dc at sea level
Contact Voltage Rating In Volts:
450.0 ac at sea level
Mounting Facility Pattern:
Four position rectangular single mounting facility
Switch Actuator Indexing Position Quantity:
4 single actuator
Terminal Type:
Tab w/screw
Contact Switching Action:
Breaks before makes each section front
Switch Actuator Positioning Increment:
90.0 degrees single actuator
Contact Load Current Rating:
30.0 amperes resistive load ac at sea level
Contact Load Current Rating:
30.0 amperes resistive load dc at sea level
Test Data Document:
81349-mil-s-15291 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).
Thread Series Designator:
Unc single mounting facility
Nondefinitive Specification/std Data:
3sr4a2 type
Item Name:
Switch,master Disconnect
Cross Referenced Parts
No other part numbers with same form, fit, and function found.
