EJ22 Short Metal Push Button Switch

EJ22 Non-Illuminated Dome Head Metal Push Button Switch (Screw Type)

Model EJ22-231A

EJ22-3 A Ith by JINHONG for industrial control panels, OEM equipment and automation systems. Category: EJ22 22mm Metal Switch.

Mounting diameter22 mm
Insulation voltage (Ui)250 V
Thermal current (Ith)3 A
Min applicable load5V AC/DC, 10mA
Operating temperature-25°C to +60°C

EJ22 Non-Illuminated Dome Head Metal Push Button Switch (Screw Type)

Product Information

The EJ22-231A is the non-illuminated dome head version (Screw Type) of the 22 mm EJ22 anti-vandal metal push button switch series — a stainless-steel (SUS304/316) unit with a 22 mm panel cut-out; Thermal current (Ith): 3 A; Insulation voltage (Ui): 250 V; Protection degree: IP65; IP67 available on request — for machinery, industrial control panels and OEM equipment.

EJ22-231A Non-Illuminated Dome Head Metal Push Button Switch

Key features

Mounting diameter: 22 mm
Initial contact resistance: ≤50 mΩ
Mechanical life: Momentary: 300,000 operations
Customisable symbol, colour and voltage
Complies with IEC 60947-5-1 / GB 14048.5
Models in this version — EJ22-231A

At a glance

Mounting diameter	22 mm
Insulation voltage (Ui)	250 V
Thermal current (Ith)	3 A
Min applicable load	5V AC/DC, 10mA
Operating temperature	-25°C to +60°C

Characteristics

Electrical ratings
Series contact options	1NO
Insulation voltage (Ui)	250 V
Thermal current (Ith)	3 A
Min Applicable Load	5V AC/DC, 10mA
Initial contact resistance	≤50 mΩ
Insulation resistance (500V DC)	100 MΩ
Dielectric strength	Switch Unit: 2,000V AC, 1 min. between live/non live part and terminals of different poles; 1,000V AC, 1 minute between terminals of the same pole; 1,500V AC, 1 minute between contact and lamp terminals. Illumination Unit: 2,000V AC, 1 min. between live part/ground
Mechanical & endurance
Terminal Style	110" Solder / Quick Connect
Vibration Resistance	10 to 55Hz, amplitude 1.5mm p-p
Electrical life	100,000 operations
Mechanical life	Momentary: 300,000 operations
Soldering Temperature	20W/5 seconds or 260°C/3 seconds
Protection & environment
Operating temperature	-25°C to +60°C
Operating humidity	45 to 85% RH

Contact Rating

AC contact capacity	250V/0.5A
DC contact capacity	24V/1A

Mounting diameter	22 mm
Protection degree	IP65; IP67 available on request
Contact material	Silver alloy
Storage temperature	-40°C to +70°C
Approvals / standards	TÜV, UL, CCC, CE
Contact block family	E series
Contact block form	X series

Specifications

Selection chart — non-illuminated dome head, 22 mm panel cut-out. Terminal style: Screw Type. Symbol, colour and lamp voltage are specified when ordering.