Push Button Switches - Series 27
OVERVIEW
Integral Series27 Push Button Switches is a unique design wherein the operative portion is separate from the Switch Element. The Basic Switch Series 49 is used as SWITCH ELEMENT.
The all metal Push Button is built for rugged operation in Machine tools and can be offered with Plunger of standard colours like White, Red, Yellow, Green, etc,.
The Push Button can be fixed on the panel (dia 16 hole) and the Switch Element is clicked on to the same behind the panel, this offers the advantage of replacing only the Switch Element at the customer end in the field, thereby saving cost.
The Switching Element is Integral Series 49 Micro Reset Switch which is a snap acting momentary switch suitable for low level and power level switching. High switching reliablity is built into the design of the switch. By using a double make double-break design, the current rating is increased and the switch can also be used for DC switching. Low contact resistance and protection against surge currents, due to INDUCTIVE and CAPACITANCE loading, is ensured by the design.
SPECIFICATIONS
| CONTACT CONFIGURATION : | Double throw two circuit |
| CONTACT RATING : | With 200+50gms operating force 5 Amps (Resistive load) at 28V DC / 230V AC |
| CONTACT RESISTANCE : | 100 milli ohms initial |
| ELECTRICAL LIFE : | 20,000 operations at rated load. With lower contact-loads life will be correspondingly higher |
| MECHANICAL LIFE : | 100,000 operations |
| INSULATION RESISTANCE : | 100 Megohms min |
| DIELECTRIC STRENGTH : | 1000V RMS |
| PRETRAVEL : | 1.27mm (max) |
| OVERTRAVEL : | 0.25mm (min) |
MATERIALS & FINISHES
| BODY & COVER : | Glass filled PBT (UL approved) |
| PLUNGER : | Acetal |
| BEZEL & PLUNGER : | Aluminium/ABS moulded |
| NUT : | G/F 30% Nylon |
| FRAME : | Stainless Steel |
| TERMINAL : | Brass, Silver plated |
| CONTACTS : | Refer Contact Selection |
Please Refer the Datasheet for further information.
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