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Emerson Appleton Motor Starter, MS Series

Appleton™ ATX™ MS Series Motor Starters

Appleton™ flameproof ATX™ MS Series motor starters are available in either Ex d or Ex de enclosures for safe starting and stopping of full voltage AC motors in hazardous areas.

Standard models include a magnetic circuit breaker, contactor with overload relay, Start/Stop buttons and a pilot light.

Available options include a Hand/Off/Auto selector switch, emergency stop, fault trip signal, ammeter, anti-condensation and indirect entries.

Features

Flameproof
Magnetic circuit breaker protects equipment and personnel and eliminates replacement of fuses
Three pole contactor
Thermal overload relay with manual reset push button
Green pilot light "Running/ON"
Rated voltage 400/415 Vac 50/60 Hz, AC-3 category
Control circuit supplied via a transformer fed between phases
Direct entries or indirect entries with Ex e box allows use of cable gland with elastomer seal
Direct ammeter for 0.37 kW to 2.2 kW versions. Ammeter with current transformer for 3 kW to 75 kW versions
Type 2 coordinated protection (IEC 60947-4-1) has the following benefits (1) Safety - limiting the energy delivered to the short circuit ensures the safest applications for personnel, facilities and equipment (2) Reduced costs - preventing short circuit damage to components minimizes labor and replacement costs (3) Increased productivity, as component replacement due to short circuits is minimized, so are interruptions to production.