sq4-7.5p/is-dr-415v chint 7.5kw metal clad dol reversing starter 415v with isolator

Why Choose the Chint SQ4-7.5P/IS-DR-415V DOL Reversing Starter with Isolator?

The Chint SQ4-7.5P/IS-DR-415V is a robust metal clad direct-on-line (DOL) reversing starter with integrated isolator designed for reliable forward and reverse motor control in demanding industrial applications. Built for motor protection and operational reliability, this enclosed reversing starter is ideal for conveyors, pumps, lifting systems and industrial machinery requiring directional motor control.

Part of the dependable Chint SQ4 motor starter range, this unit combines reversing motor functionality with a built-in isolator for improved safety and maintenance isolation. Its durable metal clad enclosure and IP55 protection rating make it suitable for industrial environments where dust, moisture and mechanical durability are important considerations.

With a motor rating of 7.5 kW, a maximum current rating of 18 A, and a 415 V AC control circuit, the SQ4-7.5P/IS-DR-415V delivers reliable motor switching and reversing performance for industrial automation and motor control systems.

Key Advantages

• Reliable DOL reversing starter with integrated isolator.
• 7.5 kW motor rating suitable for industrial machinery.
• 415 V AC control voltage for industrial systems.
• Heavy-duty metal clad enclosure for improved durability.
• IP55 protection rating for harsh environments.
• Integrated isolator improves maintenance safety and operational control.

Key Features

• Chint SQ4 enclosed reversing starter series.
• 7.5 kW rated motor power.
• 18 A maximum current rating.
• 415 V AC control circuit.
• Direct-on-line reversing motor starter.
• Integrated rotary isolator switch.
• IP55 metal clad enclosure.
• Suitable for forward and reverse motor applications.
• Compatible with Chint NR2 thermal overload relays.

Technical Specifications

• Manufacturer: Chint
• Series: SQ4 Motor Starters
• Model: SQ4-7.5P/IS-DR-415V
• Product type: DOL reversing starter with isolator
• Motor rating: 7.5 kW
• Maximum current rating: 18 A
• Control voltage: 415 V AC
• Starter type: Direct-on-line reversing starter
• Enclosure type: Metal clad
• Protection rating: IP55
• Motor direction control: Forward / reverse operation
• Integrated isolator: Yes
• Overload compatibility: NR2 series thermal overload relay
• Mounting type: Surface mounting
• Application: Industrial motor reversing and protection systems

Reliable Reversing Motor Control for Industrial Machinery

DOL reversing starters are commonly used where motors must operate in both forward and reverse directions. The SQ4-7.5P/IS-DR-415V integrates reversing functionality and an isolator into one durable assembly, helping simplify installation and improve operator safety during maintenance procedures.

The robust IP55 metal clad enclosure helps protect internal components from dust and water ingress, making the starter suitable for workshops, factories, processing plants and industrial automation environments where dependable motor control is essential.

Typical Applications

• Industrial conveyors and handling systems.
• Hoists and lifting equipment.
• Packaging and processing machinery.
• Industrial pumps and compressors.
• Machine tools requiring reversing motor operation.
• General industrial automation and motor control systems.

Trusted by Industrial Engineers Worldwide

Chint SQ4 reversing starters are widely used across industrial automation systems where reliable forward and reverse motor control, operational safety and long-term durability are essential.