CIRCUIT WITH LEVER IN... ONE POLE TWO POLE
Series—8855, 8856, 8866-69 MIL-S-8834 Miniature Positive Action Switches
Toggle and Lever Lock/IWTS Terminals
MINIATURE POSITIVE ACTION SWITCHES
SELECTION T A B L E
Down
Up Center Position
Position Position ( K e y w a y ) MS Part Catalog MS Part C atalog MS Part C a t a l o g
N u m b e r N u m b e r N u m b e r N u m b e r N u m b e r N u m b e r ②
Large Lever Small Lever Large Lever Small Lever
ON OFF ON MS21346-211 8868K51 8866K51 MS21347-211 8869K51 8867K51 MS2134-711 8869K51X
ON NONE OFF -221 K57 K57 -221 K57 K57 -721 K57X
ON NONE ON -231 K54 K54 -231 K54 K54 -731 K54X
ON OFF NONE -241 K55 K55 -241 K55 K55 -741 K55X
ON OFF ON*MS21346-271 8868K52 8866K52 MS21347-271 8869K52 8867K52 MS21347-771 8869K52X
NONE OFF ON*-281 K56 K56 -281 K56 K56 -781 K56X
ON OFF ON*-311 K53 K53 -311 K53 K53 -811 K53X
NONE ON ON*MS21346-321 K58①K58①MS21347-321 8869K58①8867K58①MS21347-821 8869K58X①
ON ON ON – – – -331 K59①K59①-831 K5 9X①
ON ON ON*– – – -351 K510①K510①-851 K510X①
ON ON ON*– – – -341 K511①K511①-841 K511X①
*Momentary contact.
①Dielectric per MIL-S-8834 except limited to 1250 volts. Delayed action of the switch toggle lever may cause circuit to close or open before snap action mechanism trips.
②Furnished with Bonded Seal Feature. (Meets with 15’ head of water level.)
L a rge Lever Small Lever L a r ge Lever Small Lever
8 8 6 8 8 8 6 6 8 8 6 9 8 8 6 7
*
*
• Sealed bushing
• Dry circuit (logic level loads) to power
switching levels
• 1 and 2 pole circuitry
• Non-teasible mechanism for all but
center “ON” circuit
• Small and large size bushings and
actuators
• Toggle and lever lock actuators
• Wiping action contacts
• Positive make and break action
• Integrated wire termination system
(IWTS)
• Bushing seal or bonded seal per MIL-S-8834
• MS approved and QPL listed to MIL-S-8834
• Temperature range: -67°F to +160°F
(-55°C to +71°C)
• Life: 20,000 operations at rated load
40,000 operations mechanical life
• Bushing thread sizes:
Small Toggle: 1/4" – 40 thread
Large Toggle and Lever Lock:
15/32"– 32 thread
• Accepts MIL-C-39029/1-101 Pin
No. of C a t a l o g Type of 28 and 50VDC
1 1 5 VAC 60Hz and 400H z
P o l e s N u m b e r O p e r a t i o n (Amperes per pole) (Amperes per pole)
R e s i s t i v e I n d u c t i v e R e s i s t i v e I n d u c t i v e
L o a d L o a d L o a d L o a d
28VDC 50VDC 28VDC 50VDC 60Hz 400Hz 60Hz 400Hz
1 8855 Maintained
8866 and 5 1 1 – 2 3 1 2
8868 Momentary
2 8856 Maintained
8867 and 5 1 1 – 2 3 1 2
8869 Momentary
Minimum Rating: 25 µA at 5 millivolts.
F E AT U R E S S P E C I F I C AT I O N S CURRENT RAT I N G S
Series—8855, 8856, 8866-69 MIL-S-8834 Miniature Positive Action Switches
Toggle and Lever Lock/IWTS Terminals
MINIATURE POSITIVE ACTION SWITCHES
SELECTION T A B L E
Down
Up Center Position
Position Position ( K e y w a y ) Lever Lock M S M S
B u s h i n g Part C a t a l ogP a r t C a t a l o g
S t y l e N u m b e r N u m b e r N u m b e r N u m b e r
ON➜OFF➜ON A MS21346-A211 8855K54 MS21347-A211 8856K54
ON OFF➜ON B -B211 K55 -B211 K55
ON OFF NONE B -B241 K519 -B241 K519
ON NONE OFF C -C221 K513 -C221 K513
ON NONE ON C -C231 K57 -C231 K57
ON OFF ON D MS21346-D211 8855K510 MS21347-D211 8856K510
ON➜NONE OFF E -E221 K514 -E221 K514
ON➜NONE ON E -E231 K58 -E231 K58
ON OFF➜ON*F -F271 K515 -E271 K515
ON OFF➜ON*G -G311 K516 -G311 K516
ON OFF ON*H MS21346-H271 8855K517 MS21347-H271 8856K517
ON➜OFF NONE J -J241 K59 -J241 K59
NONE OFF➜ON*K -K281 K518 -K281 K518
ON OFF➜ON*K -K311 K520 -K311 K520
ON OFF ON*L -L311 K512 -L311 K512
* Momentary contact.
➜Indicates direction against which lever is locked.
See page 77 for special circuit diagrams.
CIRCUIT WITH LEVER IN... ONE POLE TWO POLE
• Special mounting hardware
• Special marking
• Mounting hardware furnished assembled
• Panel seal, Part Number 32-341
(15/32"- 32 bushing only)
• Special circuits
• Special bushing and lever finish
• Special locking cap style on
lever lock switches
• EMI/RFI capability on two pole
(15/32" - 32 bushing only)
O P T I O N S / A C C E S S O R I E S LEVER LOCK – BUSHING STYLES
8 8 5 68 8 5 5
PANEL CUTOUT DIMENSIONS
ON ON ON A 8856K527
➜➜
Series—8855, 8856, 8866-69 MIL-S-8834 Miniature Positive Action Switches
Toggle and Lever Lock/IWTS Terminals
Mounting dimensions for reference only.
STANDARD
0.00 = inches
[0,0] = mm
Small To g g l e Large Toggle / Terminal Identification Lever Lock
Small To g g l e Large Toggle / Terminal Identification Lever Lock
MINIATURE POSITIVE ACTION SWITCHES
MOUNTING DIMENSIONS—ONE POLE / 8855, 8866, 8868
MOUNTING DIMENSIONS—TWO POLE / 8856, 8867, 8869
