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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.

YOUR CONTACT

GBCRANES

0086-1530 3728 518

inquiry@gbcranes.com

Online Consultation

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