Allen Bradley Soft Starter

Approx. Rs 20,000 / PieceGet Latest Price

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Electronic Motor Overload Protection The SMC-3 controller incorporates, as standard, electronic motor overload protection. This motor overload protection is accomplished electronically with the use of current transformers on each of the three phases. The controller’s overload protection is programmable, providing the user with flexibility. The overload trip class selection consists of either OFF, 10, 15, or 20. The trip current is easily selected by adjusting the rotary potentiometer to the motor full load current rating. Trip reset is selectable to either automatic or manual mode.

Note: Trip rating is 120% of dial setting.

Over-temperature The SMC-3 monitors the SCR temperature by means of internal thermistors. When the power poles maximum rated temperature is reached, the microcomputer switches off the SMC, a TEMP fault is indicated via LED, and the 97/98 fault contact closes.

Phase Reversal Protection When enabled via a DIP switch, 3-phase input power will be verified before starting. If input power phasing is detected to be incorrect, the start will be aborted and a fault indicated.

Phase Loss/Open Load The unit will not attempt a start if there is a single-phase condition on the line. This protects from motor burnout during single-phase starting.

Phase Imbalance The unit monitors for imbalance between phase currents. To prevent motor damage, the unit will trip if the difference between the minimum phase current and the maximum phase current exceeds 65% for 3 seconds, and a fault will be indicated.

Shorted SCR Prior to every start and during starting, the unit will check all SCRs for shorts and unit load connections to the motor. If there is a shorted SCR in the SMC-3 and/or open load, the start will be aborted and a shorted SCR or open load fault will be indicated. This prevents damage from phase imbalance.

Push to Test The unit with control wiring can be tested for fault conditions by using the Push to Test function. Hold down the Reset button for 7 seconds to activate the fault Aux (97, 98) and shut down the SMC-3. To clear, either push the Reset button or cycle control power to the device.

LED Description (Number of Flashes)

• Overload
• Overtemperature
• Phase Reversal
• Phase Loss/Open Load
• Phase Imbalance
• Shorted SCR
• Test

Approx. Rs 15,000 / PieceGet Latest Price

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It helps motors start slowly, which reduces mechanical shock and electrical stress. This prevents damage to equipment, minimizes power surges, and enhances workplace safety. Overall, it helps extend the lifespan of machinery and ensures smoother, more reliable operation.

Approx. Rs 15,000 / PieceGet Latest Price

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Variable frequency (often in a Variable Frequency Drive, or VFD) describes controlling an AC electric motor's speed by changing the frequency and voltage of the power supplied to it, allowing for precise speed adjustments, soft starts, improved efficiency, and better control for applications like pumps, fans, and conveyors, rather than running them at fixed full speed. A VFD converts fixed power to variable power, matching motor speed to demand, saving energy, and extending equipment life.

Approx. Rs 15,000 / PieceGet Latest Price

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Allen-Bradley SMC (Smart Motor Controllers) are microprocessor-based soft starters for 3-phase motors that provide smooth, controlled acceleration and deceleration, reducing mechanical stress and electrical surges with built-in overload protection, SCRs (Silicon-Controlled Rectifiers) for voltage control, and integrated bypasses for efficiency, offering flexible programming, diagnostics, and communication options in compact, modular designs like SMC-3, SMC-Flex, and SMC-50

Approx. Rs 15,000 / PieceGet Latest Price

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A soft starter is an electrical device that enables a smooth start for an electric motor. Instead of supplying full voltage immediately, it will increase the voltage gradually. This controlled increase in supply voltage helps reduce inrush currents. It also lowers mechanical strain on the motor and connected equipment.

Approx. Rs 22,000 / PieceGet Latest Price

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We Being One Of The Quality Compliant Companies Of The Industry Believed In Providing To Our Customers A Foremost Quality Range Which Is Tested On Various Stringent Parameters Before Finally Dispatch .