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Datasheet> All Categories > Mechanical and electronic products> switch> MS21027-L851
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MS21027-L851

Description
Toggle Switch, DP3T, Latched And Momentary, 5A, 28VDC, Solder Terminal, Locking Lever Actuator, Panel Mount-threaded,
CategoryMechanical and electronic products    switch   
File Size152KB，3 Pages
ManufacturerSafran Group
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MS21027-L851 Overview

Toggle Switch, DP3T, Latched And Momentary, 5A, 28VDC, Solder Terminal, Locking Lever Actuator, Panel Mount-threaded,

MS21027-L851 Parametric

Parameter NameAttribute value
Reach Compliance Codecompliant
Actuator typeLOCKING LEVER
body width14.12 mm
body height17.93 mm
Body length or diameter14.53 mm
Contact (AC) maximum rated R load2A@115VAC
Maximum contact current (AC)2 A
Maximum contact current (DC)5 A
Contact (DC) maximum rated R load5A@28VDC
Maximum contact voltage (AC)115 V
Maximum contact voltage (DC)28 V
Electrical life20000 Cycle(s)
Installation featuresPANEL MOUNT-THREADED
Maximum operating temperature71 °C
Minimum operating temperature-55 °C
surface mountNO
Switch actionLATCHED AND MOMENTARY
switch functionDP3T
Switch typeTOGGLE SWITCH
Termination typeSOLDER
Base Number Matches1

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MINIATURE POSITIVE ACTION SWITCHES
Series—8855, 8856
MIL-S-8834 Miniature Positive Action Switches
Lever Lock/Solder Lug Terminals
SPECIFICATIONS
• Bushing seal or bonded seal per MIL-S-8834
• MS approved and QPL’d 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
• Solder lug terminal .050 [1,27] dia. hole
No. of Catalog
Poles Number
Type of
Operation
FEATURES
• Sealed bushing
• Dry circuit (logic level loads) to power
switching levels
• 1, and 2 pole circuitry
• Non-teasible mechanism for all but
center “ON” circuits
• High electrical/mechanical reliability
• Two styles of lever lock actuators
• Locking actuator for safety
• Wiping action contacts
• Positive make and break action
• Solder lug termination
CURRENT RATINGS
28 and 50VDC
115VAC 60Hz and 400Hz
(Amperes per pole)
(Amperes per pole)
Resistive
Inductive
Resistive
Inductive
Load
Load
Load
Load
28VDC 50VDC 28VDC 50VDC 60Hz 400Hz 60Hz 400Hz
1
8855 Maintained and 5
1
1
–
2
3
1
2
Momentary
2
8856 Maintained and 5
1
1
–
2
3
1
2
Momentary
Minimum Rating: 25
µA
at 5 millivolts.
SELECTION T ABLE
Momentary contact.
§
Indicates direction against which lever is locked.
See page 77 for special circuit diagrams.
x
Dielectric 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.
y
Furnished with Bonded Seal Feature. (Meets with 15’ head of water level.)
z
Not military MS approved.
*
STANDARD CAP STYLE
MUSHROOM CAP STYLE
8855
CIRCUIT WITH LEVER IN...
Up
Position
Center
Position
Down
Position
(Keyway)
Standard Cap Style
Lever Lock
x
Bushing
Style
A
B
B
C
C
D
E
E
F
G
H
J
K
K
L
A
B
B
C
C
D
E
E
F
G
H
J
K
K
L
A
B
C
D
F
H
K
G
K
L
MS
Part
Number
MS21026-A211
-B211
-B241
-C221
-C231
MS21026-D211
-E221
-E231
-F271
-G311
MS21026-H271
-J241
-K281
-K311
-L311
MS21027-A211
-B211
-B241
-C221
-C231
MS21027-D211
-E221
-E231
-F371
-G311
MS21027-H371
-J241
-K381
-K311
-L311
MS21027-A331
-B331
-C331
-D331
-F341
MS21027-H341
-K321
-G351
-K351
-L351
Catalo g
y
Number
8855K4
K5
K19
K13
K7
8855K10
K14
K8
K15
K16
8855K17
K9
K18
K20
K12
8856K4
K5
K19
K13
K7
8856K10
K14
K8
K27
K16
8856K29
K9
K28
K20
K12
8856K21x
K30x
K31x
K32x
K22x
8856K34x
K24x
K35x
K23x
K36x
MS
Part
z
Number
8856
8855
8856
Mushroom Cap Style
Catalo g
y
Number
MS
Part
Number
MS21436-A211
-B211
-B241
-C221
-C231
MS21436-D211
-E221
-E231
-F271
-G311
MS21436-H271
-J241
-K281
-K311
-L311
MS21437-A211
-B211
-B241
-C221
-C231
MS21437-D211
-E221
-E231
-F371
-G311
MS21437-H371
-J241
-K381
-K311
-L311
MS21437-A331
-B331
-C331
-D331
-F341
MS21437-H341
-K321
-G351
-K351
-L351
Catalo gy
Number
8855K74
K75
K719
K713
K77
8855K710
K714
K78
K715
K716
8855K717
K79
K718
K720
K712
8856K74
K75
K719
K713
K77
8856K710
K714
K78
K727
K716
8856K729
K79
K728
K720
K712
8856K721x
K730x
K731x
K732x
K722x
8856K734x
K724x
K735x
K723x
K736x
MS
Part
z
Number
Catalo gy
Number
*
*
*
*
*
*
ONE POLE
ONE POLE
ON§
OFF§
ON
ON
OFF§
ON
ON
OFF§
NONE
ON
NONE
OFF
ON
NONE
ON
ON
OFF
ON
NONE
OFF
ON§
ON§
NONE
ON
ON
OFF§
ON
ON
OFF§
ON
ON
OFF
ON
ON§
OFF
NONE
NONE
OFF§
ON
ON
OFF§
ON
ON
OFF
ON
TWO POLE
TWO POLE
ON§
OFF§
ON
ON
OFF§
ON
ON
OFF§
NONE
ON
NONE
OFF
ON
NONE
ON
ON
OFF
ON
NONE
OFF
ON§
ON§
NONE
ON
ON
OFF§
ON
ON
OFF§
ON
ON
OFF
ON
ON§
OFF
NONE
NONE
OFF§
ON
ON
OFF§
ON
ON
OFF
ON
ON§
ON
ON§
ON
ON§
ON
ON
ON
ON
ON
ON
ON
ON
ON§
ON
ON
ON
ON
NONE
ON§
ON
ON
ON§
ON
ON
ON§
ON
ON
ON
ON
BONDED SEAL
Feature
Not Available
In Single Pole
Switches
BONDED SEAL
Feature
Not Available
In Single Pole
Switches
*
*
*
*
*
*
BONDED SEAL
MS21027-A711
-B711
-B741
-C721
-C731
MS21027-D711
-E721
-E731
-F871
-G811
MS21027-H871
-J741
-K881
-K811
-L811
MS21027-A831
-B831
-C831
-D831
-F841
MS21027-H841
K821
G851
-K851
-L851
8856K4X
K5X
K19X
K13X
K7X
8856K10X
K14X
K8X
K27X
K16X
8856K29X
K9X
K28X
K20X
K12X
8856K21Xx
K30Xx
K31Xx
K32Xx
K22Xx
8856K34Xx
K24Xx
K35Xx
K23Xx
K36Xx
BONDED SEAL
MS21437-A711
-B711
-B741
-C721
-C731
MS21437-D711
-E721
-E731
-F871
-G811
MS21437-H871
-J741
-K881
-K811
-L811
MS21437-A831
-B831
-C831
-D331
-F841
MS21437-H841
-K821
-G851
-K851
-L851
8856K74X
K75X
K719X
K713X
K77X
8856K710X
K714X
K78X
K727X
K716X
8856K729X
K79X
K728X
K720X
K712X
8856K721Xx
K730Xx
K731Xx
K732Xx
K722Xx
8856K734Xx
K724Xx
K735Xx
K723Xx
K736Xx
*
*
*
*
*
*
*
*
*
*
*
*
x
Reference bushing styles on Page 65.

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Shortcut:   L0 L1 L2 L3 L4 L5 L6 L7 L8 L9 LA LB LC LD LE LF LG LH LI LJ LK LL LM LN LO LP LQ LR LS LT LU LV LW LX LY LZ M0 M1 M2 M3 M4 M5 M6 M7 M8 M9 MA MB MC MD ME MF MG MH MI MJ MK ML MM MN MO MP MQ MR MS MT MU MV MW MX MY MZ N0 N1 N2 N3 N4 N5 N6 N7 N8 NA NB NC ND NE NF NG NH NI NJ NK NL NM NN NO NP NQ NR NS NT NU NV NX NZ O0 O1 O2 O3 OA OB OC OD OE OF OG OH OI OJ OK OL OM ON OP OQ OR OS OT OV OX OY OZ P0 P1 P2 P3 P4 P5 P6 P7 P8 P9 PA PB PC PD PE PF PG PH PI PJ PK PL PM PN PO PP PQ PR PS PT PU PV PW PX PY PZ Q1 Q2 Q3 Q4 Q5 Q6 Q8 Q9 QA QB QC QE QF QG QH QK QL QM QP QR QS QT QV QW QX QY R0 R1 R2 R3 R4 R5 R6 R7 R8 R9 RA RB RC RD RE RF RG RH RI RJ RK RL RM RN RO RP RQ RR RS RT RU RV RW RX RY RZ

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