KWSAPAAD - Cherry Semiconductor

MINIATURE

KSeries

Flame retardant, UL94V-O

self-extinguishing

case and cover

Long-life snap action

switch mechanism

ARC-resistant case

has internal barriers,

4mm minimum between

live parts and external

hardware

NC terminal

NO terminal

Common terminal

Single or double throw, either

normally open or normally closed

Choice of U.S. (#4 screw)

or metric (3mm screw)

Features

●Choice of current ratings up to 25 amps

●Choice of actuators

●Choice of terminals

●3 contact arrangements

●Choice of operating force

●Long mechanical life

●Wiping contact action

●Snap over actuators

●Agency approved extended life versions

International Approved Versions

K Series switches, except 25A (KWS), are

internationally approved. Switches with

straight terminals may require insulated

connectors for international approval.

Specifications

Electrical

Temperature Rating: -40°to +85°C, 150°C or 200°C

Flammability Rating: UL94V-O

Materials

Case/Cover: Thermoplastic Polyester (85°C or 150°C)

Liquid Crystal Polymer (200°C)

Button: Thermoplastic Acetal (85°C)

Thermoplastic Polyester (150°C)

Liquid Crystal Polymer (200°C)

Auxiliary Actuator: Cold-Rolled Steel (Nickel-Plated)

Terminals: Brass

Copper (25 amp only)

Moving Blade: Beryllium Copper

Contacts: Silver Alloy (except KWA and KWB — Gold-Plated)

Electrical Ratings Electrical Life at Rated Load

Switch According to VDE According to UL

Series EN61058 Rating UL1054 Rating (Min. Operations) (Min. Operations)

KWA/KWB 50mA, 28VDC 50mA, 28VDC 50,000 100,000

KWC/KWD 1(0.5)A, 250VAC 1.0A, 125/250VAC 50,000 100,000

KWE/KWF 3(1)A, 250VAC 3A, 1/10HP, 125/250VAC 50,000 100,000

KWG/KWH 6(2)A, 250VAC 5A, 1/4HP, 125/250VAC 50,000 100,000

KWJ/KWK 10(3)A, 250VAC 10A, 1/2HP, 125/250VAC 50,000 100,000

KWL N/A 15.1A, 1/2HP, 125/250 VAC N/A 100,000

5A, 125VAC Lamp Load (85°C only)

0.5A, 125VAC (85°C only)

0.25A, 250VAC (85°C only)

KWM 16(4)A, 250VAC 15.1A, 1/2HP, 125/250VAC 50,000 100,000

0.5A, 125VDC (85°C and 150°C only)

0.25A, 250VDC (85°C and 150°C only)

15.1A, 1/2HP, 125/250VAC (200°C only)

KWS N/A 25A, 125/250VAC (85°C only) N/A 100,000

1HP, 125VAC (85°C only)

2HP, 250VAC (85°C only)

Specifications subject to change without notice.

K A D Q A C A

1.140

(28.96)

0.406

(10.31)

0.160

(4.06)

0.625

(15.88)

0.368

(9.35)

0.032 (0.81) or

0.020 (0.51)

0.570

(14.48)

Dog Leg Terminal

0.174* (4.42) or

0.125 (3.18)

0.250* (6.35) or

0.187 (4.75)

Ø0.070 (1.78)

0.057 (1.45)

0.236

(5.99)

0.282 (7.16)

0.360

(9.14)

0.875 ± 0.005

(22.23 ± 0.13)

Ø B ± 0.005

(± 0.13)

COM

0.112 (2.85)

0.156

(3.96)

0.119

(3.02)

0.570

(14.48)

0.797

(20.24)

0.532

(13.51)

0.109

(2.77)

0.578 ± 0.015

(14.68 ± 0.38)

Oper. Pos. 0.406 ± 0.005

(10.31 ± 0.13)

A ± 0.005

(±0.13)

ØA ± 0.005

(± 0.13)

0.109

(2.77)

0.047

(1.19)

Max.

Pretravel

Ref. Line

A Dim. 0.114 (2.90) 0.122 (3.10)

B Dim. 0.126 (3.20) 0.134 (3.40)

Mtg Screw 4-40 (3)

Mounting Holes

Notes:

SPDT switch (as shown) with 3 terminals

NO, NC, and COM. SPST switch will have

one terminal (NO or NC), and a COMMON

terminal depending on switch type.

0.320

(8.13)

U.S. Metric

*Applicable to 0.032 (0.8) thick by

0.250 (6.3) wide tabs only.

Series/Prefix

Light Standard Current

Code Force Code Force Rating Notes

A 25 B 75 50mA 1

C25D75 1A 1

E25F75 3A 1

G 50 H 150 5A 1

J 75 K 150 10A 1

L 150 15A 3

M 150 15A 2

S 225 25A 3, 5

Code Temperature Rating

A85°C UL/CUL

B150°C UL/CUL

C 200°C UL/CUL

D85°C UL/CUL/VDE

E150°C UL/CUL/VDE

Code Terminal Type inches (mm)

P40.062 x 0.032 (1.57 x 0.81) PCB*

Q 0.187 x 0.020 (4.75 x 0.51) Straight

R 0.187 x 0.020 (4.75 x 0.51) Dog Leg

S 0.187 x 0.032 (4.75 x 0.81) Straight

T 0.187 x 0.032 (4.75 x 0.81) Dog Leg

V 0.250 x 0.032 (6.35 x 0.81) Straight

W 0.250 x 0.032 (6.35 x 0.81) Dog Leg

Code Mounting Holes

A U.S.

B Metric

Code Configuration

A Normally Open

B Normally Closed

C Double Throw

Snap Over Actuators

Actuation Length

Code Type inches (mm)

A Button

B Straight SR 0.865 (21.97)

C Straight SR 1.400 (35.56)

D Straight SR 2.722 (69.14)

E Straight HR 1.077 (27.36)

F Straight HR 1.612 (40.95)

G Straight HR 2.934 (74.52)

J SIM Roller SR 1.254 (31.85)

M SIM Roller HR 1.466 (37.24)

Y†Roller SR 0.810 (20.57)

Q Roller SR 1.340 (34.04)

W†Roller HR 1.022 (25.96)

T Roller HR 1.552 (39.42)

Ordering Information

Auxiliary Actuator

Dimensions inches (mm)

Actuation Length

Straight

Roller

Simulated

Roller

High Ratio Standard Ratio

0.532

(13.51)

0.320

(8.13)

Actuators

Standard type snap over hinged lever

and roller actuators are available in

choice of two pivot positions. Lengths

are dimensioned from centerline of

switch upper mounting hole as shown here.

Actuator Specifications

Maximum Operating Force (gms.) Maximum Operating Minimum Max. Movement Actuation

Pre-Travel Point*Over-Travel Differential Length**

Actuator Switch KWA, KWD, KWJ KWH, inches inches inches inches inches

Type Type KWC, KWE KWG KWB, KWF KWK, KWM KWS (mm) (mm) (mm) (mm) (mm)

A 25 50 75 150 225 0.047 0.563/0.593 0.050 0.010 —

(1.19) (14.31/15.06) (1.27) (0.25) —

B 25 50 75 150 225 0.064 0.621/0.585 0.051 0.012 0.865

(1.63) (15.78/14.85) (1.29) (0.31) (21.97)

C 14 27 40 80 120 0.128 0.637/0.569 0.085 0.030 1.400

(3.26) (16.18/14.45) (2.16) (0.76) (35.56)

D 6 12 18 36 54 0.284 0.679/0.527 0.182 0.051 2.722

(7.22) (17.25/13.38) (4.62) (1.30) (69.14)

E 15 30 44 88 132 0.116 0.634/0.572 0.074 0.021 1.077

(2.95) (16.11/14.52) (1.88) (0.54) (27.36)

F 8 15 23 45 67 0.230 0.665/0.541 0.146 0.041 1.612

(5.85) (16.90/13.74) (3.71) (1.05) (40.94)

G 4 7 10 20 30 0.512 0.739/0.467 0.407 0.091 2.934

(13.01) (18.78/11.86) (10.33) (2.32) (74.52)

J 16 31 46 92 138 0.110 0.758/0.698 0.088 0.020 1.254

(2.80) (19.26/17.72) (2.23) (0.51) (31.85)

M 9 18 26 52 77 0.200 0.781/0.675 0.115 0.036 1.466

(5.08) (19.84/17.14) (2.92) (0.92) (37.24)

Q 15 29 43 85 127 0.120 0.852/0.786 0.096 0.022 1.340

(3.05) (21.65/19.96) (2.43) (0.56) (34.04)

T 8 16 24 47 71 0.218 0.877/0.761 0.173 0.039 1.552

(5.54) (22.28/19.32) (4.39) (1.00) (39.42)

*Measured above reference line. Refer to dimensional drawing above. **Actuator tolerance ±.0.031 inches (0.79mm).

Specifications subject to change without notice.

*PCB terminals are lateral to case only.

†Available as internal mounting only.

Notes:

1. CULUS rated for 100,000 cycles at 85°C,

150°C, 200°C. VDE rated for 150°C only.

2. CULUS rated for 100,000 cycles at 85°C,

150°C, 200°C. VDE rated for 85°C only.

3. CULUS rated for 100,000 cycles at 85°C only.

4. Available in 10Aand lower, CULUS rated

for 100,000 cycles at 85°C and 150°C.

5. Available with 0.250 x 0.032″terminals only.

Mounting

Recommended mounting screw size:

#4-40 Round head. Recommended torque

on screw: 3 inch lbs. max.