sq4-11p-sd-240v chint 11kw metal clad star-delta starter 240v ip55

Why Choose the Chint SQ4-11P-SD-240V Star-Delta Starter?

The Chint SQ4-11P-SD-240V is a high-performance metal clad star-delta starter engineered for reduced-current motor starting in industrial applications. Designed for reliable operation and extended motor protection, this enclosed starter helps minimise inrush current during motor startup, reducing electrical stress on motors and power systems.

Part of the dependable Chint SQ4 motor starter series, this unit combines robust industrial construction with simplified motor control functionality for three-phase motors. Its durable metal enclosure and IP55 protection rating make it suitable for factories, workshops and demanding automation environments where operational reliability is critical.

With a motor rating of 11 kW and a 240 V AC control circuit, the SQ4-11P-SD-240V is ideal for pumps, compressors, fans, conveyors and machinery requiring reduced-voltage starting performance and dependable long-term operation.

Key Advantages

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

Key Features

• Chint SQ4 enclosed star-delta starter series.
• 11 kW rated motor power.
• 240 V AC control circuit.
• Star-delta reduced-voltage motor starting.
• IP55 metal clad enclosure.
• Designed for industrial three-phase motor control.
• Suitable for surface mounting installations.
• Compatible with Chint thermal overload protection devices.
• Robust industrial construction for long service life.

Technical Specifications

• Manufacturer: Chint
• Series: SQ4 Motor Starters
• Model: SQ4-11P-SD-240V
• Product type: Star-delta starter
• Motor rating: 11 kW
• Control voltage: 240 V AC
• Starter type: Reduced-voltage star-delta starter
• Enclosure type: Metal clad
• Protection rating: IP55
• Motor supply: Three-phase AC motors
• Mounting type: Surface mounting
• Frequency: 50 / 60 Hz
• Application: Industrial motor starting and protection
• Overload compatibility: Thermal overload relay compatible

Reduced Current Motor Starting for Industrial Systems

Star-delta starters are designed to reduce motor starting current by initially connecting the motor in a star configuration before switching to delta operation during normal running. This helps reduce voltage dips, mechanical stress and wear on motors during startup.

The Chint SQ4-11P-SD-240V provides dependable reduced-voltage motor control for industrial environments where large motors require smoother starting performance. Its enclosed IP55 construction helps protect internal components against dust and moisture ingress 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 systems.

Trusted by Industrial Engineers Worldwide

Chint SQ4 star-delta starters are widely used across industrial motor control systems where reduced-current motor starting, operational reliability and durable enclosure protection are essential.