#SW28BDN Stepping Relay | Switches

SW28BDN

Stepping Switch

NSN 5930-00-848-8021

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
008488021

Detail Specifications

Overall Length:
6.609 inches
Overall Height:
2.063 inches
Overall Width:
5.259 inches
Current Type:
Dc
Mounting Method:
Bracket
Drive Type:
Direct
Mounting Configuration:
Two no. 8/0.164 in./-32 tapped mtg holes spaced 5.938 in. C to c
Voltage Rating:
48.0 volts
Control Method:
Self
Homing Method:
Through off-normal springs
Bank Level Quantity:
2
Contact Quantity Per Bank Level:
50
Wiper Contact Quantity Per Bank Level:
2
Contact Current Rating:
3.0 amperes
Contact Type:
Nonbridging
Nonbridging Level Quantity:
2
Magnetic Coil Quantity:
1
Coil Type:
Drive
Operating Current Rating:
480.0 milliamperes
Electrical Resistance:
100.0 ohms
Auxiliary Off-normal Contact Arrangement:
1c
Auxiliary Interrupter Contact Arrangement:
1b
Stepping Direction:
Unidirectional
Fsc Application Data:
Telephone switch stepping
NSN:
5930-00-848-8021
Item Name:
Stepping Relay
Cage Code:
04773

Manufacturer Part Numbers

No other part numbers with same form, fit, and function found.

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Catalog Drilldown
--- Electrical And Electronic Equipment Components
------ Switches
--------- Stepping Switches
------------ P/N SW28BDN

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Last Updated: 04/16/2025