EM1 Type Micro Switches

 
 
Microswitches Type 'EM1' bear the safety and quality mark of 'ELMECO'.Inspite of small casing dimensions, the creepage distance and clearance in air so designed that maximum safety is insured. Precision in design and manufacture as well as high quality of the material used, results in long mechanical and electrical life. Switches are tasted for compliance  with the characteristics data to insure quality. The switch with its actuating memeber and
auxiliary device has a wide application in industrial and electronics control.
Executions :'ELMECO' Microswitches are available in three different types of bases as shown below. The various types of actuators are shown in the reverse page and the basic switch can be supplied with any of these actuators to suit individual requirements. While ordering please specify the type of base and actuators required.
Specification : Conforms to JSS 51204 & ISS 6089
Circuitry : Type 'EMI' is available in single Pole providing 1 No and 1 NC contact arrangement.
Material :
a) Housing And Cover : Best quality electrical grade phenolic material with 
high insulating property.
b) Contact Materials : Silver
c) Terminals : Brass
d) Plunger: Stainless Steel
e) Contact Bridge : Berrylium copper properly heat treated
f) Springs: Contact bridge act as a leaf spring
g) Actuators : Depends upon the type of actuator-Thermo Plastic, M.S.
Stainless steel, Aluminium, Brass, Spring

TERMINALS : Screw and solder type
NOMINAL RATING : Switches with :
Soldered Terminals Screw Terminals
5A / 250 V AC 15 A / 250 V AC
0.25 A / 250 V DC

0.25 A / 250 V DC

Note : Concealed terminal Switches available in 5A/250 V AC rating.
HIGH VOLTAGE TEST :
Switches withstand, 2kv ac between current carrying parts and accessible metal parts 1 kv ac
between open contacts.
TEMPERATURE : Operational range -400C to +850C
LIFE (ELEC. & MECH.) 
a) MECHANICAL10,000,00 operatoins
b) ELECTRICAL  -  100,00 operations at rated resistive current under normal conditions.
CONTACT RESISTANCE : 10 M Ohm (Max.)
INSULATION RESISTANCE : 100 M Ohm (Min.)
OPERATING CHARACTERISTICS : 
ACTUATING FORCE : 425 gms (Max)
RELEASE FORCE : 110 gms (Min.)
MOVEMENT DIFFERENTIAL : 0.08 (Max.)
OVER TRAVEL : 0.20 (Min.)
 
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