MU 454882FPA(MA) NSF (CONTROLS), MU 454882FPA(MA) Datasheet - Page 2
Manufacturer Part Number
MECHANISM, MA 30 DEG, METAL
Specifications of MU 454882FPA(MA)
No SVHC (15-Dec-2010)
Contact Current Rating
External Length / Height
No. Of Wafers Per
For Use With
MU-MA Rotary Wafer Switches
Key To Details
NSF Controls Limited Keighley West Yorkshire BD21 5EF
Shaft length: optional ± 0.40 (0.016”)
Bushing thread length: preferred standard 9.5 (0.375”); 6.35
(0.250”) available as an alternative. Special lengths
Flat length: length to specification. Tolerance ± 0.40
(0.016”). Special shaft termination’s may be provided
to special requirements.
Angle of flat: to specification ± 2°; specify position of flat,
with switch shaft in fully anti-clockwise position when
viewed from front or knob end.
Flat thickness: standard 5.55 ± 0.15 for grub screws;
4.95 ± 0.05 for push-on knobs.
Distance of locating lug from shaft, centre line to centre line.
Angle of locating lug: type MU mechanism; 45°,135°,225°
and 315° from horizontal centre line; the alternative “A”
type mechanism also includes 0° and 180° as viewed.
Biased indexing is available giving momentary contact on positions 8 to 7, 5 to 4, 4 to 3, 3 to 2 and 2 to 1
as well as 3 position biased to centre.
Concentric shafts - dual concentric shafts and mechanisms for dual switching applications.
(Not available for 36° indexing).
Printed circuit termination’s - 2 types are available giving a variation in mounting height of the wafer
above the P.C.board.
Adjustable stops - 2 types are available.
Front - can be set without dismantling the switch and are available on models MU-MA (a),(d) and
A-MA with imperial bush.
Rear - for use with all other indexing variations both Imperial and Metric versions.
Dimensions Are In Millimetres
(+44(0) 1535 661144
Bushing shoulder; standard 3,2 (0.125”)
Front spacer, minimum dimension: MU-MA 9,5 (0.375”),
Other spacers: minimum dimensions.
Clips facing same direction
Clips facing away or flat clips
Clips facing each other
If no spacer 2,4 . Any length spacer desired may
be inserted at this point.
Thread extension: typically 3 x M2 x 0,4 any length
Standard locating lug lengths:
unsealed, projects 1.6 beyond mounting face;
sealed, 0,05 / 0,15 below mounting face;
Fax: +44(0) 1535 661474