SR Drive® systems
for industrial applications are available direct from Nidec SR Drives Manufacturing Ltd. Our approach is always to work closely with the customer
to fully understand the end-requirement and then to provide a
complete drive solution designed specifically to meet their requirements. The
implementation of the solution is based around a series of pre-designed
and pre-approved platforms for both motors and converters which
allow us to provide all the benefits of SR Drive® technology
in a timely and competitive manner.
An overview of our offering
is presented below – please
contact us to discuss your specific requirements.
Drive® System Benefits
Very high system efficiency maintained across virtually the
whole operating range.
Guaranteed system performance from a single supplier.
Infinite turn-down ratio: full rated torque is available down
to zero speed.
Unlimited starting duty.
Inherently robust motor construction.
Very low rotor inertia: typically less than half the inertia
of conventional machines.
Exceptionally high torque available from a given motor frame
Comprehensive control facilities ensure the end equipment cannot
Universal supply voltage & frequency
suits most applications world-wide.
Drive® Motor Features & Options
Cast-iron TEFC frames with bi-directional shaft mounted fan.
IP55 environmental rating.
Over-temperature sensors in all phases as standard.
Class H insulation.
Generously sized top-mounting terminal box.
Grease fed bearings.
Anti-condensation heater options 110Vac/230Vac.
Foot & flange mounted options in standard IEC frame sizes.
ATEX rating: type n: ‘non-sparking’ construction available for Zone
ATEX rating: type e: ‘extended safety’ construction available on
some models for Zone 21 environment.
Drive® Converter Features & Options
Fully specified: EMC filter and power factor correction included
Ventilated IP54 enclosure with frontal inlet and roof mounted
Universal supply voltage 380Vac – 460Vac ± 10% 50/60
Full CE and cUL approval for European and US/Canadian markets.
Comprehensive diagnostics provides detailed error messages via
Comprehensive input & output selection.
Dynamic braking chopper option.
Brake resistor option: internal or external.
Door mounted isolator option.