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  • General-Purpose Basic Switch

General-Purpose Basic Switch Z-15GW255-B

4.75 (12)
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Item Feature
This product is manufactured in Japanese standards. Please check the specification before you order.
Contact Specification
Appliance Classes
Class I
Contact Interval
Force for Operating (OF) (N)
Maximum 1.27
Rated Current (A)
Insulation Resistance (Mohm)
100 or more (for DC500V meggers)
Mechanical Durability
10,000,000 times or more
Ambient Humidity
35 - 95%RH
Terminal Type
Screw tightening terminal (internal-tooth washer)
Withstand Voltage
(Between like-pole terminals) AC1000V 50/60Hz 1min, (between charged metal parts and earth, and between each terminal and non charged metal part)AC2000V 50/60Hz 1min
Actuator Type
Hinge / roller / lever type
Impact Resistance (Malfunction)
Reference value: maximum of 300 m/s2 (malfunction within 1 ms, in the case of pin push button type)
Contact Materials
PTI Tracking Characteristics
Impact Resistance
Maximum 1000m/s2
Contact Resistance (mohm)
Below 15 (initial value)
Operating Ambient Temperature (deg C)
-15 to 80 (however, do not freeze over)
Electrical Durability
More than 500,000 times
Weight (g)
About 35
Inrush Current (A)
Regular (Maximum) closed circuit/30, open circuit/15
Allowable Operating Frequency
(Mechanical) 240 times/min, (Electric) 20 times/min
Allowable Operating Speed
0.01mm to 1m/s (value of push-button portion)
Protection Structure
Drip-proof type (terminal part is not included) / equivalent to IP62
Vibration Resistance (malfunction)
10 to 55Hz double amplitude 1.5mm (malfunction within 1ms)
Customer Reviews
5 star 10
4 star 1
3 star 1
2 star 0
1 star 0
Review Rating: 4.75
12 Customer Reviews
The reviews are automatic translation.
During machine maintenance
From Japan
On 2017-11-15 00:07:33
I have been using it for a long time and I am satisfied with the performance. It is good that the shape does not change much.
This review is about item#2503925.
Machine repair
From Japan
On 2017-07-25 19:47:20
When I did not use it for about 30 years, the spring part of the roller seemed to be disengaged, so it stopped returning so I caught it. Representation of things with high completeness due to simplicity, places to work even without processing anything after thirty years is wonderful
This review is about item#2503907.
Used for belt conveyor such as poultry farm
From Japan
On 2017-05-20 11:40:17
Omron products only use There is no such thing as improvement.
This review is about item#2503925.
Lighting linked with door opening and closing ON-OFF
From Japan
On 2017-03-27 12:08:21
It was slightly larger than I thought, and it looked sturdy. I wanted to let the lighting on and off in conjunction with opening and closing the door, so it's perfect. Because spring pressure is strong, it is a wooden door, but if there seems to be a dent in inside you are thinking whether to put a metal plate on the part to be hit.
This review is about item#2503742.
Replace defective robot with takeout robot
From Japan
On 2016-08-26 16:42:13
I ordered with the same part number, but the installation terminal was 3 places instead of 6 places. This time it was no problem with that.
This review is about item#2503864.
During machine maintenance
From Japan
On 2016-06-20 17:01:43
Previously, I bought it at a parts store! I am satisfied that it can be obtained cheaply!
This review is about item#02503934.
As an antenna rotation positioning sensor
From Japan
On 2016-03-17 07:10:58
It is attached to the rotating part and it is used to extract the positioning signal. It is a reliable switch.
This review is about item#02503846.
Parts of mechanical equipment under construction
From Japan
On 2016-01-11 20:24:30
I bought it because the price delivery date is the best as compared with other places. No matter where you buy it is the same, so choose by price, delivery date.
This review is about item#02503986.
Automatic door repair
From Japan
On 2013-02-14 22:12:03
One of the three microswitches for automatic door control was worn out and the operation became unstable, so at the same time three pieces were replaced and the repair was completed. When asking a trader, it costs 10,000 yen! The shipment of goods is also quick, and I am very satisfied.
This review is about item#02503864.
Positioning of industrial machinery, which requires dustproofness, Inspection of loading and sitting of workpiece
From Japan
On 2012-04-30 12:20:22
I use it by standard as I memorize model number. The terminal cover clicks with a metal clasp. Unlike the type that fasten together with the fixing screw of the switch body, the screw does not become loose due to aging, and the terminal can be inspected without removing the main body. The drawback is that the delivery date is late. I do not want to have a lead time of 5 days.
This review is about item#02503916.