Explosion-protected LED safety torches and chargers

Paul Boughton

Eaton’s Crouse-Hinds division has extended its range of explosion-protected portable safety lamps with a new LED torch series that is certified for use in ATEX Zone 0 hazardous areas.

The associated induction charger units for the torch are certified for Zone 1 hazardous areas, providing users with a maintenance-free, multi-functional lighting system for use in almost every hazardous environment.

The new TX40 and TX 20 induction-charged hand lamps can be used safely in Zone 0, 1, and 2 hazardous environments, with the associated CX40 and CX20 induction chargers mounted close by in a Zone 1 area. This means the system is ideal for inspection, maintenance, and repair work that needs to be carried out in potentially explosive Zone 0 atmospheres found in industrial chemicals, petrochemicals, and pharmaceutical plants.

The TX/CX40 and TX/CX20 torch and charger are monitored continuously for any faults via automatic function testing. Any faults are indicated by an LED. This guarantees maximum availability of the lighting system. The intelligent charging method for the torch enables steady, optimum battery charging, and long service life of the rechargeable battery.

The CX40 and CX20 charger units use an inductive coupling system. When the lamps are plugged into the charger, the lamps are recharged by induction charging. As well as providing a safer system, this contact-free method of recharging means that any corrosion of the contacts due to environmental influences are eliminated. This means the charger can be safely mounted in Zone 1, whilst the torch can be operated in Zone 0.

If the mains power supply to the charger should fail for any reason, an emergency lighting function switches on the plugged in torch automatically – regardless of the position of the switch. Also, in order to ensure that the torch is always in its place, an optional seal point can be provided for securing the torch in the charger.

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