Eaton · M22 系列

M22-D-R

在产
UL CSA CE ATEX

M22 Red Flush Push Button

零件编号: M22 - D - R
Eaton M22 系列 Introduced circa 2000
Eaton M22-D-R — M22 Red Flush Push Button

Red flush momentary push button for Eaton M22 series. 22.5mm cutout, IP67 front. Complete unit with 1NC contact.

常见应用

Stop button used across manufacturing, particularly on European-built machinery. The M22 series is a direct cross-reference to Schneider Harmony XB4 — same 22mm cutout, same function, different manufacturer. Common on conveyor stop stations, machine tool auxiliary stops, and process control panels in chemical plants. The silver bezel provides good contrast against dark-colored panels, making the red button easy to spot in low-light factory environments.

规格参数

Actuator Function
Momentary
Actuator Shape
Round
Actuator Type
Flush
Bezel
Silver
Certifications
UL, CSA, CE, ATEX
Color
Red
Contact Configuration
1NC
Cutout Diameter
22.5mm
Environmental Rating
IP67, IP69K, NEMA 4X, NEMA 13
Illumination
Non-illuminated
IP Rating
IP67 (front)
Material
Plastic/Metal bezel
Mechanical Life
5,000,000 cycles
Mounting Type
Panel
Operating Cycles
5 million
Max Operating Temp
70°C
Min Operating Temp
-25°C
Series
M22
UPC
786685275949

带有此图标的规格参数链接到制造商的原始来源页面

您还需要

这是一个模块化组件。要完成组装,您可能还需要:

安装快速参考

Panel cutout: 22.5mm. Insert from the front of the panel, secure with mounting nut from behind (tighten to 2-3 Nm).

Contact block: Snap or screw the contact block onto the rear of the button body. Ensure the contact block orientation matches the wiring diagram — NO terminals are usually marked.

Wiring: Use 0.5-2.5mm² stranded wire with ferrules. Tighten screw terminals to 0.8 Nm. Test the button function before energizing the circuit.

尺寸

Front 22.5mm cutout panel hole diameter Side panel contact ~45mm depth

接线图

L T 21 22 NC (closed) opens on press

故障排除

Button doesn't respond when pressed

Check the contact block first — it's the most common failure point. Test continuity across the NO or NC terminals with a multimeter. If no click is felt, the return spring in the head may be broken.

Works intermittently

Contact block contacts are pitted or burned. Replace the contact block — don't try to file the contacts. Check if the rated cycle count has been exceeded.

Button feels mushy or doesn't click

The spring return mechanism in the button head is worn. Replace the head. The contact block can usually be reused if it tests OK.

快速规格

Actuator Function
Momentary
Actuator Shape
Round
Actuator Type
Flush
Bezel
Silver
Certifications
UL, CSA, CE, ATEX

用户评价

“30mm is legacy at this point. Every major manufacturer has moved to 22mm as the standard. Eaton M22, Schneider XB4, Siemens SIRIUS — all 22mm. Unless you're maintaining a 1980s Allen-Bradley 800T panel, go 22mm and save panel space.”

Reddit r/PLC by automation_director 38 点赞 查看讨论 →

数据来源

规格参数和产品数据来源于以下参考资料。

M22-D-R Eaton Product Page

https://www.eaton.com/us/en-us/skuPage.M22-D-R.html

访问日期 March 28, 2026

来源