|
|
|
National Stock Number:
5930-00-848-8021
Federal Supply Class:
5930
National Item Identification Number:
008488021
Description:
SWITCH,STEPPING
Detail:
AN ELECTROMAGNETICALLY ACTUATED SWITCH HAVING CONTACT WIPERS WHICH ARE SUCCESSIVELY ROTATED OVER FIXED BANK CONTACTS. THE CONTACT WIPERS ARE PROGRESSIVELY ADVANCED OVER THE FIXED BANK CONTACTS THROUGH A REPETITIVE SERIES OF STEPPING OPERATIONS. THE STEPPING OPERATION MAY BE A CONTINUOUS FORWARD ROTATION ACTING THROUGH 360 DEGREES TO RETURN TO ITS NORMAL UNOPERATED POSITION OR IT MAY BE DESIGNED TO INCLUDE AN ELECTROMAGNETIC AND/OR MECHANICAL MEANS FOR RELEASING AND RESETTING THE SWITCH TO ITS RELEASED POSITION FOR A SUBSEQUENT OPERATION. THE CONTACT WIPERS MAY BE MECHANICALLY HELD IN CONTACT WITH THE FIXED BANK CONTACTS AFTER THE ARMATURE OF THE ACTUATING COIL HAS RELEASED. THE SWITCH MAY BE RELEASED AT THE END OF ITS TRAVEL OR AT ANY INTERMEDIATE POSITION. IT INCLUDES ITEMS DESIGNED WITH TWO ELECTROMAGNETIC ACTUATORS THAT ENABLE THE SWITCH TO OPERATE IN EITHER DIRECTION. FOR ITEMS HAVING THE DUAL FUNCTION OF A SWITCH AND A RELAY ASSEMBLED TOGETHER ON A COMMON MOUNTING, SEE RELAY-SWITCH. FOR OTHER THAN ELECTROMAGNETICALLY ACTUATED SWITCHES WHOSE CONTACT WIPERS ARE MANUALLY ROTATED OVER FIXED BANK CONTACTS, SEE SWITCH, ROTARY. EXCLUDES RELAY, ROTARY AND SWITCH, TELEPHONE (AS MODIFIED).
|
Manufacturer Information:
| SW28BDN | 04773 | GTE COMMUNICATION SYSTEMS CORP |
|
Techincal Specification:
| 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 | | CURRENT TYPE | DC | | VOLTAGE RATING | 48.0 VOLTS NOMINAL | | OPERATING CURRENT RATING | 480.0 MILLIAMPERES NOMINAL | | ELECTRICAL RESISTANCE | 100.0 OHMS NOMINAL | | AUXILIARY OFF-NORMAL CONTACT ARRANGEMENT | 1C | | AUXILIARY INTERRUPTER CONTACT ARRANGEMENT | 1B | | DRIVE TYPE | DIRECT | | STEPPING DIRECTION | UNIDIRECTIONAL | | OVERALL LENGTH | 6.609 INCHES NOMINAL | | OVERALL WIDTH | 5.259 INCHES NOMINAL | | OVERALL HEIGHT | 2.063 INCHES NOMINAL | | MOUNTING METHOD | BRACKET | | MOUNTING CONFIGURATION | TWO NO. 8/0.164 IN./-32 TAPPED MTG HOLES SPACED 5.938 IN. C TO C | | FSC APPLICATION DATA | TELEPHONE SWITCH STEPPING | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 04773 | | DESIGN CONTROL REFERENCE | SW28BDN |
|
|