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Standard Smart Three Phase Panel
Subtech Product

Standard Smart Three Phase PanelThree Phase Motor Starter · Standard

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Model Type
Standard Smart Three Phase Panel · Three Phase Motor Starter
Operation
Standard · Smart digital control panel for everyday three-phase motors
Rating Range
1 HP - 30 HP
Best Suited For
DOL · Smart Digital

A dependable, no-frills three-phase smart control panel with digital metering, MCB protection and PMC contactor switching. Built for everyday industrial and agricultural motors that need reliable control without the extras.

What is Standard Smart Three Phase Panel?

Standard Smart Three Phase Panel is a standard three phase motor starter panel from Subtech (S S Power System), covering 1 HP to 30 HP. It is part of Subtech's motor control solutions range and is commonly used for induction motors, pumps, compressors and other industrial and agricultural machinery. Protection features include single phasing, reverse phasing, phase unbalance cutoff, over voltage protection, under voltage protection, overload protection, short circuit protection, dry run protection (optional).

Key Specifications at a Glance

Quick reference before you scroll through the full spec sheet

Product Series
Standard Smart Three Phase Panel
Product Category
Motor Control Solutions
Operation
Standard
Starter Type
DOL / Smart Digital
Motor Phase
Three Phase
Rating Range
1 - 30 HP
Protection Type
Single Phasing, Reverse Phasing, Phase Unbalance Cutoff, Over Voltage Protection, Under Voltage Protection, Overload Protection, Short Circuit Protection, Dry Run Protection (Optional)
Best Suited For
DOL · Smart Digital
Available Models
8 models
Add-ons
3 available

Why Choose Standard Smart Three Phase Panel?

What actually matters when you put this on your line

Digital Monitoring

A digital display and settings make it easier to read status and adjust cut-offs without repeatedly opening the panel.

Multiple Motor Protections

Built-in protection against single phasing, reverse phasing, phase unbalance cutoff, over voltage protection reduces avoidable motor failures.

Wide HP Range

Covers 1 - 30 HP, so one series can standardise across multiple motor sizes on site.

Built for Industrial & Pump Applications

Designed for the duty cycles seen in pumps, compressors, HVAC systems and general industrial motor loads.

Custom Panel Manufacturing Support

Subtech can adapt enclosure size, ratings and add-ons to project-specific requirements on request.

Rust-Resistant, Field-Ready Enclosure

Powder-coated GI/GPSP enclosures are built for Indian site conditions — dusty factory floors, outdoor pump houses and agricultural sheds alike.

Backed by Subtech's Sales & Service Network

25+ years of panel manufacturing and a pan-India dealer network stand behind every unit.

How Standard Smart Three Phase Panel Works

Step-by-step operating sequence

  1. 1

    Start Command Given

    Pressing start (or an auto signal) energises the main contactor directly.

  2. 2

    Motor Connects Directly to Full Line Voltage

    The motor windings are connected straight across the supply — no reduced-voltage stage.

  3. 3

    Motor Accelerates to Full Speed

    The motor draws a higher inrush current for a short period while it comes up to speed.

  4. 4

    Motor Runs at Full Load

    Once up to speed, the motor runs at its rated current under normal load.

  5. 5

    Protection System Monitors Faults Continuously

    Overload, short-circuit and (where fitted) phase protection continue monitoring the motor throughout the run.

How to Select the Correct Model

Match your motor's HP rating to the correct reference number

HPRef. No.kWRelay Range (A)ProtectionSize (mm)MRP
1 HPSTD10.752-10300*225*110On Request
3 HPSTD32.23-15300*225*110On Request
5 HPSTD53.75-20300*225*110On Request
7.5 HPSTD75.510-25300*225*110On Request
10 HPSTD107.515-35300*225*110On Request
15 HPSTD151120-45350*270*120On Request
20 HPSTD201525-50350*270*120On Request
30 HPSTD302240-75450*400*130On Request

Common Problems This Solves

Real failure modes on the motor side, and how this panel prevents them

Motor Overheating

Sustained overload, phase and voltage faults raise winding temperature over time; the panel's built-in protections cut power before heat damages the insulation.

Single Phasing

Detects the loss of any one phase and cuts power before the motor overheats or burns its windings.

Reverse Phase Sequence

Checks phase sequence before allowing the motor to start, preventing motors and pumps from running backward.

Voltage/Phase Imbalance

Trips the motor when the three phases drift too far apart in voltage, which otherwise causes uneven heating in the windings.

Over-Voltage Spikes

Cuts power when supply voltage rises above the safe band, protecting insulation and electronics.

Under-Voltage / Low Supply

Cuts power when voltage drops too low, preventing the motor from drawing excess current to compensate.

Motor Overload

Monitors running current and trips before sustained overload can overheat the motor.

Short Circuit / Wiring Fault

MCB/MCCB protection isolates the circuit immediately on a short circuit, protecting the panel and wiring.

Dry Running (Pump Losing Prime)

Optional dry-run protection stops the motor when there's no load/flow, preventing pump damage from running dry.

Frequent Tripping From Wrong Model Selection

Use the selection guide above to match your motor's HP and relay range to the correct reference number — an undersized relay setting is a common cause of nuisance tripping.

Description

Includes a smart digital display showing voltage, current and run hours. Single push-button operation with knob-based settings, MCB inside for short-circuit and overload protection, PMC contactor for smooth switching, compact wall-mount GPSP enclosure.

A dependable, no-frills three-phase smart control panel with digital metering, MCB protection and PMC contactor switching. Built for everyday industrial and agricultural motors that need reliable control without the extras.

Additional Information
  • Wide operating Voltage range: 240-480 VAC
  • Continuous running capacity: 100+ hrs
  • Status: R-Y-B Phases, Healthy Power, Run Hr.
  • Faults: Phase fail, Reverse Phase, Unbalance Voltage, Over/Under Voltage, Overload
  • PMC Contactor for smooth, fast switching (5 years warranty on contactor coil against burning)
  • Body: Rust-free GPSP Sheet, Wall mounting, compact size
  • Heavy duty DMC connection terminals for input and output
  • Smart digital display (V / A / Run hours)
  • Inbuilt MCB protection
  • Single push-button operation
  • Compact wall-mount design
  • GPSP sheet enclosure, powder-coated rust-proof
  • Heavy-duty DMC connection terminals

Models & Pricing

8 models
Ref. No.HPkWRelay Range (A)Size (mm)Wt. (kg)MRP
STD110.752-10300*225*1103.5On Request
STD332.23-15300*225*1103.5On Request
STD553.75-20300*225*1103.5On Request
STD77.55.510-25300*225*1103.5On Request
STD10107.515-35300*225*1104.0On Request
STD15151120-45350*270*1205.5On Request
STD20201525-50350*270*1205.5On Request
STD30302240-75450*400*1308.0On Request
Prices are MRP in INR, ex-GST and ex-installation. Specifications subject to change without notice.

Protections

  • Single Phasing
  • Reverse Phasing
  • Phase Unbalance Cutoff
  • Over Voltage Protection
  • Under Voltage Protection
  • Overload Protection
  • Short Circuit Protection
  • Dry Run Protection (Optional)

Add-ons

  • Dry Run Charges: ₹890 charged extra
  • Double tank operation: ₹1400 charged extra
  • Sensor Set: ₹1380 charged extra

Who Should Buy Standard Smart Three Phase Panel?

This product is ideal for the following users and industries

🏭

Industrial Units & Factories

Manufacturing plants, processing units, and industrial facilities requiring reliable motor control and automation solutions.

🌾

Agricultural & Farming

Farmers and agricultural businesses using water pumps, irrigation systems, and motor-driven equipment for daily operations.

🏗️

Contractors & Builders

Electrical contractors, panel builders, and construction professionals who need dependable motor starting solutions.

🏢

Commercial Establishments

Hotels, hospitals, offices, and commercial buildings with HVAC, lift, and pump motor control requirements.

Applications & Use Cases

Where you can use Standard Smart Three Phase Panel effectively

1

Water Pump Motor Control

Submersible, centrifugal, and booster pump motor starting, protection, and automation for residential and commercial use.

2

Compressor & HVAC Systems

Air compressors, chillers, and HVAC blower motor control in factories, commercial buildings, and cold storage units.

3

Conveyor & Material Handling

Belt conveyors, rollers, and material handling equipment motors used in manufacturing and logistics.

4

Irrigation & Agriculture

Drip irrigation, sprinkler systems, and tube well motors for farms and agricultural land management.

5

Generator & ATS Panels

Auto transfer switch panels and generator motor control for seamless power backup solutions.

6

CNC & Machine Tools

Lathe machines, drilling machines, and CNC equipment requiring precise motor starting and protection.

Frequently Asked Questions

Common questions about Standard Smart Three Phase Panel

What is the warranty on Standard Smart Three Phase Panel?

Subtech provides a standard manufacturer warranty on this product. Warranty terms may vary based on the specific model and configuration. Contact our sales team for detailed warranty information.

Can I get a customized version of Standard Smart Three Phase Panel?

Yes, Subtech specializes in custom panel manufacturing. We can modify specifications, ratings, enclosure types, and features as per your specific requirements. Share your needs through the quote form above.

What is the delivery time?

Standard models are typically available within 3-5 working days. Customized configurations may take 7-15 working days depending on complexity. We deliver across India.

Is installation support available?

Yes, Subtech provides installation guidance and technical support. For bulk orders, on-site commissioning support is also available. Our service team can assist with wiring diagrams and configuration.

Can I buy this product in bulk for my project?

Absolutely. We offer competitive bulk pricing for dealers, distributors, contractors, and project orders. Request a quote with your quantity for the best price.

Downloads

Technical documentation for this model

DatasheetAvailable on request
CatalogueAvailable on request
Wiring DiagramAvailable on request
Installation ManualAvailable on request
Technical SpecificationsAvailable on request

Related Products

Related Technical Articles

Applicable Standards & Design Considerations

  • IEC/IS 60947: Low-voltage switchgear and controlgear — general design reference for contactors, starters and protective devices, where applicable to the components used.
  • IS/IEC 60529: Enclosure ingress protection (IP) ratings — referenced for enclosure design where an IP rating is specified for a given model.