Compact motor starter
This compact weld-free starter offers the combined functionality of a circuit breaker, contactor and electronic overload relay to reduce engineering and assembly costs while simplifying commissioning.
The Sirius 3RA6 compact starter is designed to be a
"one-stop" motor starter for 3-phase ac standard motors up to 32 A. The compact
weld-free starter offers the combined functionality of a circuit breaker,
contactor and electronic overload relay to reduce engineering and assembly
costs while simplifying commissioning.
The starter has a wide range of settings up to 32 A of rated
current, along with three wide voltage ranges for ac/dc current with 24 V; 42 V
to 70 V; and 110 V to 240 V. The compact starters are available as direct or
With the associated control kit, users can perform an early
check of the wiring and motor direction before the plant begins operations. The
safe shutdown at the end of service life and separate indication of overload,
short-circuit and auto reset following an overload trip also help increase
uptime. The removable spring-loaded and screw-type terminals simplify device
replacement, providing easy maintenance.
The compact starter can be connected directly to the
AS-Interface. The AS-I module can easily be connected to the starter and used
as an A/B slave on AS-Interface. All the diagnostics and status data of the
starter are forwarded directly to the higher-level controller via a network,
which offers expanded diagnostics from the motor starter while minimizing
Siemens Energy & Automation Inc.