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AB5

PRODUCT TYPES

SPECIFICATIONS

1. Contact rating

2. Characteristics

PUSH-BUTTON SWITCHES

ACE PUSH-BUTTON 

SWITCHES (AB5)

Type

Part No.

Push-button color (Number replaces asterisk in part number.)

Black

Red

Green

Yellow

White

Blue

Push type

AB5

2177F

1

2

3

4

5

6

Lock type

AB5

2277F

1

2

3

4

5

6

Kind of load

AC rating

DC rating

Resistive load (cos nearly equal 1.0)

15A 125V AC,15A 250V AC

0.6A  125V DC

Inductive load(cos nearly equal 0.4)

10A 125V AC,10A 250V AC

0.6A 125V DC

Expected life

Mechanical

Min. 10

7

 (60 cpm)

Electrical

Min. 10

5

 (20 cpm) at rated load

Insulation resistance

Min. 100 M

 (at 500 V DC measured by insulation resistive meter)

Breakdown 
voltage

Between non-continuous terminals

1000 Vrms for 1 min. (at detection current: 10mA)

Between each terminal and other exposed metal parts

1500 Vrms for 1 min. (at detection current: 10mA)

Between each terminal and ground

1500 Vrms for 1 min. (at detection current: 10mA)

Contact resistance

Max. 50 m

 (By voltage drop at 1 A, 6 to 8 V DC)

Allowable operation speed (No load)

0.1 to 1,000 mm/s

Max. switching frequency (No load)

600 cpm

Ambient temperature

–25

°

C to +85 

°

C  (Not freezing below 0 

°

C)

Contact material

Movable: AgSnO

2

 alloy; Fixed: AgZnO alloy

FEATURES

1. High performance and excellent 
characteristics.

An AH7 snap action switch is used in the 
switch body and since the installation 
frame is made of molded plastic, 
dimensional accuracy is now on a new 
level.

2. Two series: push type and lock type

Lock type also available that locks when 
rotated.

3. Six push-button colors

You can use colors in accordance with 
sequence functions.

4. The switch body uses an AH7 snap 
action switch (O.F. 3.92 N max. type). 
Also, if dirt and water resistant 
properties are required of the internal 
switch, a V type turquoise switch 
(sealed type snap action switch) can 
be built in. Please inquire.

PRECAUTIONS WHEN 
USING CADMIUM-FREE 
CONTACT TYPE

Models with cadmium-free contacts have 
been introduced in order to reduce 
environmentally harmful substances. (“F” 
is affixed to the end of the part number.)
We ask customers who are currently 
using products with cadmium-containing 
contacts (no “F” at the end of the part 
number) to please make the switch to 
models with cadmium-free contacts. 
When switching, operating life may differ 
depending on the load. Please be sure to 
verify this by conducting an evaluation 
using actual equipment.

Push type

Lock type

12 dia.

RoHS Directive compatibility information

http://www.nais-e.com/

All Rights Reserved © C

OPYRIGHT

 Matsushita Electric Works, Ltd.

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