Heavy-duty and rugged in construction, both splash and vandal resistant, the DH series panel mount switch has been introduced by CIT Relay & Switch. Offered in 22, 25 and custom sizes up to 40mm, the DH series is available as momentary or latching in both SPST and DPST, normally open and normally closed.
Flush actuator styles offer non-illuminated, bi-colour ring illumination or dot illumination. Illumination colour choices are Red, Yellow, Green, Blue, White and Orange. LED voltage options are in the range of 6-220V.
The electrical rating of the DH series is 2A at 24 or 125V AC and 1A at 250V AC. Sealing is IP65. Electrical life is 50,000 cycles with contact resistance of less than 50mΩ. Dielectric strength is 2000Vrms contact to contact and 2000Vrms contact to LED. Insulation resistance is greater than 100MΩ. Actuation force is 550 ±50gF with actuator travel of 2.5 ±0.3mm. Operating and storage temperature is from -25 to +70°C.
The actuator is stainless steel or black anodised aluminium with polycarbonate LED lens. The threaded body is stainless steel or black anodised aluminium with an inner switch body of polycarbonate. Terminal support is polybutylene terephthalate with silver alloy contacts and epoxy sealed brass terminals. One hex nut and one "O" ring are supplied with each switch.
The DH series pushbutton switches are suited for public usage applications such as ticket dispensers, elevators and kiosks. CIT Relay & Switch lead-time is six to eight weeks.