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The 150-C30NBR is a smart motor controller and low-voltage soft starter manufactured by Allen-Bradley. This device belongs to the SMC-3 product series and utilizes a 3-wire connection configuration in an Open Type structure to manage the start and stop sequences of three-phase induction motors.
Compact footprint for reduced panel space
Easy and secure setup for process optimisation
Five start/stop modes to suit application requirements
The main circuit operates on a rated voltage of 200V to 460V AC at 50/60 Hz, with a rated control power supply of 24V AC/DC. It carries a rated operational current of 30 A for line connections and expands to 43 A when utilized with delta-connected motors.
The hardware configuration includes an integrated bypass contactor that alters the main circuit conduction path once the motor reaches full operational speed. It contains a microprocessor-based electronic motor overload protection system that gathers data via three-phase current transformers and provides an adjustable electronic overload trip via front-panel dials. Additionally, the unit incorporates rotary DIP switches for parameter adjustments, two sets of built-in auxiliary contacts for overload/fault and up-to-speed status signaling, and a status LED indicator to display operational conditions and fault types.
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description.
Allen Bradley 150-C30NBR SMC-3 Smart Motor Controller Manuals, Datasheets, Drivers, Link
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description.
Water and Wastewater Treatment
Controls the soft starting of high-power submersible and centrifugal pumps to prevent "water hammer effects" from damaging pipelines during sudden shutdowns.
HVAC and Commercial Refrigeration
Manages the starting current of large chillers, cooling tower fans, and reciprocating compressors to reduce grid loads on plant power distribution systems.
Mining and Quarrying
Drives conveyor belts and light-duty crushers to lower mechanical stress during startup and extend the operational life of belts and gearboxes.
Metallurgy and Steel Industry
Controls the smooth start and stop of cooling fans, slag conveyor rollers, and water supply pumps in water-quenching systems.
Pulp and Paper Industry
Drives pulp agitators, paper cutter power shafts, and waste conveyor systems to prevent mechanical shocks during paper cutting and processing.
Plastics and Rubber Extrusion
Operates pellet mixing machinery, material handling blowers, and conveyor belts at finished product drop-off stations.
The 150-C30NBR helps reduce motor starting current, minimize mechanical shock, and improve overall system reliability. Compared with direct-on-line starting, the controller provides smoother acceleration, lower stress on driven equipment, and enhanced protection for motors operating in demanding industrial environments.
Allen-Bradley 150-C30NBR belongs to a compact modular series, containing built-in motor overload protection, SCR thermal monitoring, and voting-style internal diagnostic feedback logic. Through panel adjustment, it supports current limit start, kickstart, and soft stop functions, which reduce grid inrush currents and mechanical impacts during the startup of high-power motors.
It is an Allen-Bradley SMC-3 series 30 A smart motor soft starter.
What is the core function of the 150-C30NBR?
It reduces inrush current and mechanical wear during three-phase induction motor start-up.
What is the current rating of the 150-C30NBR?
It is 30 A for line connection and up to 43 A for delta connection.
What input voltages does the 150-C30NBR support?
It supports 3-phase 200V to 460V AC at 50/60 Hz.
How many parts do you have in stock?
We have an extensive stock base consisting of ten thousands of new and discontinued automation parts including those from leading manufacturers such as:Control Systems (DCS, PLC, CNC) ,Panel Controllers,HMI and Display Panels,Drives,Encoders and Resolvers,Power Supplies. If you are unable to find what you are looking for then don’t panic.
Do you offer global delivery services?
Yes. We ship globally, and we are able to quickly deliver parts globally to any corner of the world. Unless otherwise specified, we will ship your order via (DHL). We can also ship through FedEx, UPS, and TNT. We can also use your account.
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Disclaimer: We are not an authorized distributor or distributor of the product manufacturer of this website, The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because our company is not an authorized distributor of this product, the Original Manufacturer`s warranty does not apply.While many DCS PLC products will have firmware already installed, Our company makes no representation as to whether a DSC PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. Our company also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from our company, its distributors, or any other source. Our company also makes no representations as to your right to install any such firmware on the product. Our company will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.
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