sq4-11p-sd-415v chint 11kw metal clad star-delta starter 415v ip55

Why Choose the Chint SQ4-11P-SD-415V Star-Delta Starter?

The Chint SQ4-11P-SD-415V is a heavy-duty metal clad star-delta starter designed for efficient reduced-current motor starting in demanding industrial environments. Engineered for dependable operation and long-term reliability, this enclosed starter helps minimise motor inrush current during startup, reducing stress on electrical systems and extending motor life.

Part of the trusted Chint SQ4 motor starter series, this unit combines rugged construction with reliable motor protection and industrial control functionality. Its IP55-rated enclosure provides protection against dust and water ingress, making it suitable for workshops, factories, process plants and industrial automation systems.

With a motor rating of 11 kW and a 415 V AC control circuit, the SQ4-11P-SD-415V is ideal for pumps, compressors, conveyors, fans and industrial machinery requiring smooth reduced-voltage motor starting performance.

Key Advantages

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

Key Features

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

Technical Specifications

• Manufacturer: Chint
• Series: SQ4 Motor Starters
• Model: SQ4-11P-SD-415V
• Product type: Star-delta starter
• Motor rating: 11 kW
• Control voltage: 415 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, minimise mechanical stress and improve motor longevity in industrial applications.

The Chint SQ4-11P-SD-415V provides dependable reduced-voltage motor control for industrial environments where reliable startup performance is essential. Its enclosed IP55 construction helps protect internal components from dust and moisture ingress in demanding operating conditions.

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.

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.