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Rotary limit switches for Hazardous areas

Flameproof rotary limit switch.Rugged and reliable, Limitex is used to control the movement of industrial machinery in potentially explosive areas.

Overview

MAIN FEATURES
Accurate adjustment of cams by means of screws.
1. Positive opening NC contacts for safety functions.
2. Mechanical life of switches: 1 million operations.
3. Protection degree: IP66.
4. Ambient temperature range: -40°C to +60°C.
5. External enclosure made of G20 cast iron, stainless steel transmission and gear driving shafts, selflubricating technopolymer gears and driving bushes.
6. All materials and components used are wear resistant
7. Full Body Stainless Steel Version Available

GENERAL SAFETY SPECIFICATIONS
Maximum power supply 300 Vac
Maximum current intensity 3 A
Maximum dissipated power 2 Watt
Rated frequency 50 / 60 Hz


GENERAL TECHNICAL SPECIFICATIONS
Maximum rotation speed 800 rev./min.
Cable entry Nr. 1 M20x1,5 - Nr. 1 M25x1,5 - Nr. 1 ½ NPT (cable glands not supplied)

OPTIONS
1. Revolution ratios from 1:15 to 1:1578, achieved by combining different secondary output sta ges.
2. Snap action switches with 1NO+1NC change-over contacts.
3. It can be equipped with a cam set with 2-3-4 switches.
4. Available with flange for direct coupling to the transmission unit.

TECHNICAL SPECIFICATIONS OF THE MICROSWITCHES
Utilisation category AC 15
Rated operational voltage 250 Vac
Rated operational current 3 A
Rated thermal current 10 A
Rated insulation voltage 300 Vac
Mechanical life 1x106 operations
Connections 6.3 mm Faston taps
Wires 2x0.5 mm² , 2x1.5 mm² , 1x2,5 mm²
Tightening torque 0.5 Nm
Microswitch type Single break, snap actions
Contacts 1 NO+1NC change-over contacts (All NC contacts are of the positive opening operation type )
Scheme
Weight with feet ( Kg )
Weight with flange and feet ( Kg )
4,6
5,2

OVERALL DIMENSIONS (mm)
FEET MOUNTING

FLANGE AND FEET MOUNTING

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We respond quickly to any questions, inquiries, needs and feedback. Have business needs or questions about our products? Feel free to contact us.

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0086-371-5532 8269
Ext. 1039

+86 13523501202