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8574K3-20

Description
Toggle Switch, DPDT, Latched, 20A, 28VDC, Screw Terminal, Locking Lever Actuator, Panel Mount-threaded
CategoryMechanical and electronic products    switch   
File Size154KB,5 Pages
ManufacturerEaton
Download Datasheet Parametric View All

8574K3-20 Overview

Toggle Switch, DPDT, Latched, 20A, 28VDC, Screw Terminal, Locking Lever Actuator, Panel Mount-threaded

8574K3-20 Parametric

Parameter NameAttribute value
MakerEaton
Reach Compliance Codecompliant
ECCN codeEAR99
Actuator typeLOCKING LEVER
body width22.6 mm
body height40.6 mm
Body length or diameter33.5 mm
Contact (AC) maximum rated R load15A@115VAC
Maximum contact current (AC)15 A
Maximum contact current (DC)20 A
Contact (DC) maximum rated R load20A@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-65 °C
sealENVIRONMENTALLY SEALED
surface mountNO
Switch actionLATCHED
switch functionDPDT
Switch typeTOGGLE SWITCH
Termination typeSCREW
MILITARY—ENVIRONMENTALLY SEALED SWITCHES
Series—8573, 8574, 8575
MIL-S-3950 IWTS Lever Locks
FEATURES
SPECIFICATIONS
• Environmentally sealed
• Environmentally sealed per MIL-S-3950
• 1, 2, and 4 pole circuitry
• MS approved and QPL’d per MIL-S-3950
• 2 & 3 position with maintained and
• Thermoset molding materials meet flame
momentary action
retardant requirements
• Integrated wire termination system
• Bushing: 15/32" - 32 thread
(IWTS) for ease of wiring
• Temperature Range: -85°F to +160°F
• Terminal numbers molded into silicone
(-65°C to +71°C)
base seal
• Accepts MIL-C-39029/1-101 pin
• Life: 20,000 operations at rated load
40,000 operations mechanical life
CURRENT RATINGS
No. of Catalog
Type of
Poles Number Operation
28VDC
Lamp Resistive Inductive
Load
Load
Load
5
20
15
4
15
10
7
20
15
5
18
10
5
20
12
4
18
10
115VAC
60 or 400Hz
Lamp Resistive Inductive
Load
Load
Load
3
15
10
2
15
7
4
15
15
2
11
8
4
15
15
2
11
8
1
2
4
8573
8574
8575
Maintained
Momentary
Maintained
Momentary
Maintained
Momentary
Minimum Rating: “Intermediate Current” per MIL-S-3950
LEVER LOCK SELECTION TABLE – T er minals Accept W
Ter minals Accept W
ir e Contact Within Dimensional Limits of M39029/1-102 for -16 wire size
ir e Contact Within Dimensional Limits of M39029/1-101 for -20 wire size
8573
CIRCUIT WITH LEVER IN...
Up
Position
Center
Position
Down
Position (Keyway)
Lever
x
Lock
Bushing
Style
8574
TWO POLE
Flush Screw Terminals
MS Part
Catalog
Number
Number
8574K1-16
K27-16
K5-16
K2-16
K28-16
8574K3-16
K29-16
K30-16
K31-16
K32-16
8574K33-16
K4-16
K34-16
K10-16
K35-16
8574K9-16
K6-16
K36-16
K7-16
K16-16
8574K37-16
K38-16
K11-16
K22-16
K20-16
8574K12-16
K39-16
K14-16
K15-16
K21-16
8574K19-16
K18-16
K40-16
K41-16
K13-16
8575
FOUR POLE
Flush Screw Terminals
MS Part
Catalog
Number
Number
MS27783-21A
-21B
-21D
-21E
-21F
MS27783-21G
-21H
-21J
-21K
-21L
MS27783-21M
-21N
-21P
-22D
-22F
MS27783-22G
-23D
-23F
-23G
-24E
MS27783-24F
-24K
-24M
-25F
-26F
MS27783-27E
-27L
-27N
-28E
-29F
MS27783-30F
-31E
-31F
-31K
-31L
8575K1-16
K27-16
K5-16
K2-16
K28-16
8575K3-16
K29-16
K30-16
K31-16
K32-16
8575K33-16
K4-16
K34-16
K10-16
K35-16
8575K9-16
K6-16
K36-16
K7-16
K16-16
8575K37-16
K38-16
K11-16
K22-16
K20-16
8575K12-16
K39-16
K14-16
K15-16
K21-16
8575K19-16
K18-16
K40-16
K41-16
K13-16
ONE POLE
Flush Screw Terminals
MS Part
Catalog
Number
Number
*
*
*
ON§
OFF§
ON
A
ON
OFF§
ON
B
ON§
OFF
ON
D
ON
OFF§
ON
E
ON§
OFF
ON
F
ON
OFF
ON
G
ON§
OFF§
ON
H
ON
OFF
ON
J
ON§
OFF§
ON
K
ON
OFF§
ON
L
ON§
OFF
ON
M
ON
OFF
ON
N
ON
OFF§
ON
P
ON§
NONE
OFF
D
ON§
NONE
OFF
F
ON
NONE
OFF
G
ON§
NONE
ON
D
ON§
NONE
ON
F
ON
NONE
ON
G
ON
OFF§
NONE
E
ON§
OFF
NONE
F
ON§
OFF§
NONE
K
ON§
OFF
NONE
M
ON§
OFF
NONE
F
ON§
NONE
ON
F
ON
OFF§
ON
E
ON
OFF§
ON
L
ON
OFF
ON
N
NONE
OFF§
ON
E
ON§
NONE
OFF
F
OFF§
NONE
ON
F
ON
OFF§
ON
E
ON§
OFF
ON
F
ON§
OFF§
ON
K
ON
OFF§
ON
L
Momentary contact.
§
Indicates direction against which lever is locked.
*
*
*
*
*
*
*
*
*
*
*
*
*
MS27781-21A
8573K1-16
MS27782-21A
-21B
K27-16
-21B
-21D
K5-16
-21D
-21E
K2-16
-21E
-21F
K28-16
-21F
MS27781-21G
8573K3-16
MS27782-21G
-21H
K29-16
-21H
-21J
K30-16
-21J
-21K
K31-16
-21K
-21L
K32-16
-21L
MS27781-21M
8573K33-16
MS27782-21M
-21N
K4-16
-21N
-21P
K34-16
-21P
-22D
K10-16
-22D
-22F
K35-16
-22F
MS27781-22G
8573K9-16
MS27782-22G
-23D
K6-16
-23D
-23F
K36-16
-23F
-23G
K7-16
-23G
-24E
K16-16
-24E
MS27781-24F
8573K37-16
MS27782-24F
-24K
K38-16
-24K
-24M
K11-16
-24M
-25F
K22-16
-25F
-26F
K20-16
-26F
MS27781-27E
8573K12-16
MS27782-27E
-27L
K39-16
-27L
-27N
K14-16
-27N
-28E
K15-16
-28E
-29F
K21-16
-29F
MS27781-30F
8573K19-16
MS27782-30F
-31E
K18-16
-31E
-31F
K40-16
-31F
-31K
K41-16
-31K
31L
K13-16
-31L
See page 73 for circuit diagrams.
x
Reference bushing styles on Page 42.
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