Blore Edwards Rotary Wafer Switch
Continuous turn with no stop the switch will keep rotating
4 pole 3 position
Well proven for professional and military applications
TYPE C: spindle and panel sealed, switch body ventilated
Approved to MOD Spec Def 5154 Style SR1
NSN (National Stock Number) 5905 99 051 0422
A NATO Stock Number, or National Stock Number (NSN) as it is known in the US, is a 13-digit numeric code, identifying all the ‘standardized material items of supply’ as they have been recognized by all NATO countries including United States Department of Defense.
Switches marked:- ABM 83. followed by 2 digits ie. 09, 14, 29 etc
Blore Edwards Rotary Wafer Switches
MBK MINIBANK TYPE
General characteristics of MINIBANK TYPE (Miniature Rotary Switch)
These Minibank Miniature Rotary Switch are well proven for professional and military applications and are available here in the Type C classification
TYPE C = Spindle and panel sealed – switch body ventilated. Approved to MOD Spec Def 5154 Style SR1
Maximum working voltage 300V ac (rms) or dc peak
Switch Resistance Less than 5 milliohms
Insulation Resistance >than 1000 Megohm at 500Vdc Voltage
Proof 900Vdc normal temperature and pressure
450Vdc low air density
70mm Hg Switch Breaking Capacity
50mA/300V dc or ac peak
500mA/30V dc/ac rms
These high quality switches came to us as a part of a parcel of surplus components from a large Milspec type co.
The MBK series is based on the old Plessey E series
Chassis mount (nut and washer included)
Silver plated solder tags
Overall length 39mm
Switch diameter 19mm
Shaft – 6.3mm (1/4″) diameter with 8mm available to affix knob
Threaded section 9mm Long 10mm Diameter
We have also included below a photograph of a high quality solid aluminium knob (secured by slotted screw) which would suit these if required
See item no. 391956338747
Connection to the switch is via an inner ring of 4, and an outer ring of 12 silver plated solder tags.
Ideal for multi function switching, audio switching etc.
Spring loaded action, switch turns with a solid clunk to each position
THESE PARTS CAME TO US AS PART OF A “JOB LOT” OF SURPLUS STOCK ORIGINATING FROM A LARGE MILSPEC TYPE OEM.
THEY ARE NOT DATE CODED BUT WE KNOW THEY HAVE BEEN IN STORAGE FOR SOME YEARS – IF THERE IS SUCH A THING AS AN ANTIQUE ELECTRONIC COMPONENT I BELIEVE THESE QUALIFY!
IDEAL IF YOU ARE LOOKING FOR VINTAGE QUALITY PARTS TO GIVE AUTHENTICITY TO A RENOVATION PROJECT- PLEASE NOTE DUE TO THEIR AGE WE HAVE CLASSIFIED THEM AS “NEW OTHER” THOUGH THEY ARE IN PERFECT CONDITION.
For datasheet search:- “Blore Edwards MBK Rotary Wafer Switch” – “4Most Electronics”
If you or your company has items similar to the above, or indeed any electronic components surplus to requirements, please contact us with details as we are keen to increase our stock profile.
As many of our lines come in to us as surplus – sometimes from high end ‘Milspec’ type manufacturers we try to pass on our savings to our customers – often selling industrial grade or military spec components at a fraction of their original cost.