SKU: SQ4-30P-SD-415VAlt SKU: SQ430PSD415VMPN: SQ4-30P-SD-415V
sq4-30p-sd-415v chint 30kw metal clad star-delta starter 415v ip55

sq4-30p-sd-415v chint 30kw metal clad star-delta starter 415v ip55

Chint SQ4-30P-SD-415V enclosed metal clad star-delta starter designed for industrial three-phase motor starting applications with IP55 protection and 415 V AC control voltage.

Price
List Price ex VAT
Your Price
On backorder Please contact us for a delivery time before you order
Get the best trade prices Trade exclusive

Create a trade account to unlock exclusive pricing, special offers and more.

Trade pricing is personalised to your account

Available on backorder

£1,173.45

Why Choose the Chint SQ4-30P-SD-415V Star-Delta Starter?

The Chint SQ4-30P-SD-415V is a robust metal clad star-delta starter engineered for reliable reduced-current starting of three-phase industrial motors. Designed for demanding industrial environments, this enclosed starter helps minimise motor inrush current during startup, reducing electrical stress and improving motor longevity.

Part of the dependable Chint SQ4 motor starter series, this model combines rugged enclosure protection with reliable motor control functionality for industrial automation systems. Its IP55-rated metal clad enclosure protects internal components against dust and moisture ingress, making it suitable for factories, workshops, process plants and heavy-duty industrial environments.

With a motor rating of 30 kW and a 415 V AC control circuit, the SQ4-30P-SD-415V is ideal for pumps, compressors, conveyors, fans and industrial machinery requiring smooth reduced-voltage motor starting and dependable operational reliability.

Key Advantages

  • Reliable star-delta motor starter for industrial applications.
  • 30 kW motor rating suitable for demanding industrial machinery.
  • 415 V AC control voltage for industrial motor systems.
  • Heavy-duty metal clad enclosure for enhanced durability.
  • IP55 protection rating suitable for harsh industrial environments.
  • Reduced motor starting current helps minimise electrical and mechanical stress.

Key Features

  • Chint SQ4 enclosed star-delta starter series.
  • 30 kW rated motor power.
  • 415 V AC control circuit.
  • Reduced-voltage star-delta motor starting.
  • IP55 metal clad enclosure.
  • Suitable for industrial three-phase motor applications.
  • Surface mounting design for industrial installations.
  • Compatible with NR2-36-32 thermal overload relay.
  • Robust industrial-grade construction for long service life.

Technical Specifications

  • Manufacturer: Chint
  • Series: SQ4 Motor Starters
  • Model: SQ4-30P-SD-415V
  • Product type: Star-delta starter
  • Motor rating: 30 kW
  • Motor full load current: 52 A
  • Delta loop current: 30.2 A
  • Recommended overload relay: NR2-36-32
  • Control voltage: 415 V AC
  • Control frequency: 50 / 60 Hz
  • Starter type: Reduced-voltage star-delta starter
  • Enclosure type: Metal clad steel enclosure
  • Protection rating: IP55
  • Mounting type: Surface mounting
  • Motor supply: Three-phase AC motors

Reduced Current Motor Starting for Industrial Systems

Star-delta starters reduce motor starting current by initially connecting the motor windings in a star configuration before automatically switching to delta operation once the motor reaches operating speed. This helps minimise voltage dips, reduce mechanical stress and improve reliability in industrial motor systems.

The SQ4-30P-SD-415V is designed for industrial environments requiring dependable startup performance and rugged enclosure protection. Its IP55-rated metal clad enclosure helps safeguard internal components against dust and moisture ingress while supporting long-term operational reliability in demanding applications.

Typical Applications

  • Industrial pumps and compressors.
  • Ventilation systems and industrial fans.
  • Conveyor and material handling equipment.
  • Production and processing machinery.
  • Water treatment and utility systems.
  • General industrial motor control applications.

Technical Specifications

Power 30 kW
Voltage 415 V
Phase Three Phase
IP Rating IP55
Series SQ4 Motor Starters
Product type Star-delta starter
Motor rating 30 kW
Motor full load current 52 A
Delta loop current 30.2 A
Recommended overload relay NR2-36-32
Control voltage 415 V AC
Control frequency 50 / 60 Hz
Starter type Reduced-voltage star-delta starter
Enclosure type Metal clad steel enclosure
Protection rating IP55
Mounting type Surface mounting
Motor supply Three-phase AC motors

Frequently Asked Questions

What is the Chint SQ4-30P-SD-415V used for?

This product is used for reduced-current starting of three-phase industrial motors in machinery and automation systems.

What motor size is supported by this starter?

The starter is designed for motors rated up to approximately 30 kW.

What is the benefit of a star-delta starter?

A star-delta starter reduces motor starting current and mechanical stress during startup, helping improve motor longevity and minimise supply disturbances.

Is the enclosure suitable for industrial environments?

Yes, the unit features a durable IP55 metal clad enclosure suitable for demanding industrial applications.

Does the starter include overload protection?

The starter is designed for use with a compatible NR2-36-32 thermal overload relay, which is generally supplied separately.

Trusted by Industrial Engineers Worldwide

Chint SQ4 star-delta starters are widely used across industrial motor control systems where reduced-current motor starting, rugged enclosure protection and dependable long-term operation are essential.

● Service Agreements

Credit Accounts

Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.

 Tick  Priority sourcing and supply support

 Tick  Flexible payment terms for qualifying organisations

 Tick  Support for engineering, maintenance, and operations

500 +

Stock lines ready to ship

1,000 +

Same day dispatches

3500 +

Customers supported

28 

Trusted Manfacturers

● frequently asked questions

Common questions about our products and support

 

At Led Controls Ltd we help engineers source the right automation and control gear with confidence. below are quick answers to what we are asked most often.

What product ranges do you supply

We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products. 

Can you help specify the correct part?

Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.

Do you have stock for urgent orders?

Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.

What are your delivery times and costs?

Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.

What about warranties, returns and faulty items?

Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.

● latest blog

Discover  our latest insights and
expert advice

From a Simple Idea to Small Business of the Year: The LED Controls Story So Far…

From a Simple Idea to Small Business of the Year: The LED Controls Story So Far…

LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.

LED Controls: Danfoss Drives Authorised Partner

LED Controls: Danfoss Drives Authorised Partner

2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...

LED Controls: Your Complete Control Panel Solution

LED Controls: Your Complete Control Panel Solution

2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...