Actuator: Adjustable roller lever, form lock (metal lever, rubber roller).
Conduit size: 1-conduit; G1/2.
Built-in switch mechanism: 3NC (Slow-action).
Popular Safety Limit Switches.
Providing a Full Lineup Conforming to,
International Standards.
Lineup includes models with 1NC/1NO, 2NC, 2NC/1NO and,
3NC contact forms .
(Slow-action models with MBB contacts are available D4A-A20. )
M12-connector models are also available, saving on labor and,
simplifying replacement D4A-A20
Standardized gold-clad contacts provide high contact reliability.
Can be used with both standard loads and microloads.
Conforms to EN115-1, EN81-1, and EN81-2 (slow-action models only).
Certified standards: UL, EN (TÜV), and CCC D4A-A20. Appearance: Shielded, M18.
Sensing distance: 8 mm.
Model: NC.
Long-distance Proximity Sensor.
Long-distance detection at up to 30 mm enables secure mounting,
with reduced problems due to workpiece collisions.
No polarity for easy wiring with DC 2-wire models.
Cable protector provided as a standard feature. Detection methods: the firing pattern.
Detection range: 500mm D4A-A20.
Purpose: small,
Small thin space probe;
Interference prevention function with close installationOutput: DPDT .
Lighting: Incandescent lamp.
Operating voltage: 5 VAC/VDC.
Pushbutton colorsymbol: R: red, Y: yellow; PY: pure yellow
G: green, A: blue; W: white; PW: pure white.
Item: Alternate operation (Self-holding).
Separate Construction with.
Cylindrical 16-dia. Body.
Miniature design of 28.5 mm, the smallest class in the industry.
Detachable Switch.
The same contacts can be used for both standard loads and microloads.
Easy-to-wire terminal arrangement.
Certified for EN 60947-5-1. Actuator: Fork lever lock (left operation).
Conduit size: 1-conduit; M20.
Built-in switch mechanism: 1NC/1NO (Slow-action).
Popular Safety Limit Switches.
Providing a Full Lineup Conforming to,
International Standards.
Lineup includes models withh 1NC/1NO, 2NC, 2NC/1NO and,
3NC contact forms D4A-A20.
(Slow-action models with MBB contacts are available.)
M12-connector models are also available, saving on labor and,
simplifying replacement.
Standardized gold-clad contacts provide high contact reliability.
Can be used withh bboth standard loads and microloads D4A-A20.
Conforms to EN115-1, EN81-1, and EN81-2 (slow-action models only).
Certified standards: UL, EN (TÜV), and CCC.

D4A-A20 Operation manual/Instructions/Model selection sample download link: /searchDownload.html?Search=D4A-A20&select=5