DECKMASTER
SIEMENS-ALLIS
RQ21 Starters
Control Products
Division
Features and Benefits
Contactor
• Compact size requiring less panel space.
• Low power consumption.
• Same coil used on Sizes 00, 0, & 1.
• Long mechanical life:
15 million operations Size 00
10 million operations Size 0-51/2
• Long electrical life.
• Easy to maintain Parts requiring replacement are
readily accessible and available.
• Available in 128 countries around the world.
• Dual frequency coil 50/60 Hz.
• Meets or Exceeds NEMA, UL, CSA, VDE, IEC and
other major standards.
• Auxiliary interlocks as standard:
1 NO & 1 NC Size 00
1 NO & 1 NC Size 0-51/2
• Heavy duty ValueLine available, Sizes 5 thru 9.
Overload Relay
• Positive protection against unbalanced load
conditions such as single phasing.
• Meets NEMA Class 10 tripping characteristics. (Trips
in less than 10 seconds at 600% of the motor current
rating.)
• Ambient temperature compensation on all R021
thermal overload relays from - 20°C to + 50°C.
• Block type design with factory installed and
calibrated directly heated and sealed bimetal
elements assuring maximum tripping accuracy.
• Desired tripping current setting range easily set with
adjustable dial,
• Trip-free reset feature, convertible from manual
automatic reset.
• Normally open contact for alarm circuit.
• Test button, trip indicator and snap-on cover (for
relays up to 45 amps only).
• B600 rated contacts.
