Datasheet > U21TCWZQE

U21TCWZQE

更新时间： 2023-12-06 19:02:52

品牌	Logo	应用领域
力特 - LITTELFUSE		/
页数	文件大小	规格书
14页	2635K
描述
Miniature Toggle Switch

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中文翻译

获取价格

数据手册

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U21TCWZQE 数据手册

7000 Series

Miniature Toggle Switches

Materials

CASE: Glass filled nylon 6/6, flame retardant, heat stabilized, or

diallyl phthalate (DAP) (UL 94V-0).

CENTER CONTACTS & ALL TERMINALS: B contact material: Copper

alloy, with gold plate over nickel plate. Q contact material: Copper

alloy, silver plated. See above for additional contact materials.

ACTUATOR: Brass, chrome plated.

BUSHING: Brass or zinc, nickel plated.

HOUSING: Stainless steel.

TERMINAL SEAL: Epoxy.

HARDWARE: Nut & Locking Ring: Brass, nickel plated.

Lockwasher: Steel, nickel plated.

SWITCH SUPPORT: Brass or steel, tin plated.

NOTE: Materials listed above are for switches with standard options. For information

on specific and custom switches, consult Customer Service Center.

END CONTACTS: B contact material: Copper alloy, with gold plate

over nickel plate. Q contact material: Coin silver, silver plated.

See page F-15 for additional contact materials.

SWITCH FUNCTION

CONNECTED TERMINALS

POS. 1

POS. 2

POS. 3

POS. 1

POS. 2

POS. 3

UL**

MODEL

NO.

POLES

MODEL NO.

SCHEMATIC

7101

U11

NONE

OFF

2-3

N/A

2-1

7103

7105

7107

7108

7109

U13

U15

U17

U18

U19

MOM.

OFF

MOM.

OPEN

OFF

NONE

2-3

N/A

2-3

2-1

NONE

N/A

SPDT

1/4-40 UNS-2A

KEYWAY

Terminal Numbers

For Reference Only

Part number shown: 7101SYZBE

7201

7203

7205

U21

NONE

OFF

NONE

2-3,5-6

N/A

OPEN

N/A

2-1,5-4

U23

U25

MOM.

2-1,5-4

7207

U27

7208

U28

7211 *

7213 *

7215 *

U211 *

U213 *

U215 *

MOM.

2-3,5-4

DPDT

MOM.

DPDT

1/4-40 UNS-2A

KEYWAY

Terminal Numbers

For Reference Only

Part number shown: 7201SYZQE

MOM. = Momentary

** U11–U415 model nos.

with all options when ordered with G, R, Q or S contact material.

** Wiring for 3-way switch

* Wiring for 3-way switch, see Section N.

Dimensions are shown: Inches (mm)

Specifications and dimensions subject to change

15 Jan 21

www.ckswitches.com

F–4

123 4 5 6 7...14

中文翻译

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