sq4-7.5p/is-415v chint 7.5kw metal clad dol starter 415v ip55 with isolator

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

The CHINT SQ4-7.5P/IS-415V is a robust metal clad direct-on-line (DOL) motor starter with integrated isolator engineered for reliable starting and isolation of three-phase industrial motors. Designed for demanding industrial environments, this enclosed starter combines dependable motor switching, operator safety and durable IP55 environmental protection within a compact industrial enclosure.

Developed for industrial automation systems, machinery installations and OEM applications, the SQ4-7.5P/IS-415V provides straightforward and effective motor starting functionality for motors up to 7.5 kW. The integrated rotary isolator enables safe local isolation during maintenance and servicing, while the rugged metal-clad enclosure protects internal components against dust, moisture and mechanical impact.

Operating from a 415 V AC control supply with a maximum current rating of 18 A, this DOL starter is suitable for pumps, compressors, conveyors, fans and fixed-speed industrial motors requiring dependable direct-on-line starting performance. Thermal overload protection is typically provided using compatible CHINT NR2 series overload relays.

Key Advantages

• Reliable direct-on-line motor starting solution.
• Integrated rotary isolator switch for safe maintenance isolation.
• 7.5 kW motor power capability.
• Durable metal clad IP55 enclosure.
• Suitable for demanding industrial environments.
• Compatible with CHINT thermal overload protection devices.

Key Features

• CHINT SQ4 enclosed DOL starter series.
• 7.5 kW rated motor capacity.
• 18 A maximum current rating.
• 415 V AC coil voltage.
• Integrated rotary isolator switch.
• Industrial metal-clad enclosure construction.
• IP55 environmental protection rating.
• Integrated stop and start push buttons.

Technical Specifications

• Manufacturer: CHINT
• Series: SQ4 DOL Starters
• Model: SQ4-7.5P/IS-415V
• Product type: Direct-on-line motor starter with isolator
• Motor power rating: 7.5 kW
• Maximum current rating: 18 A
• Control voltage: 415 V AC
• Starter type: Enclosed DOL starter with isolator
• Enclosure material: Metal clad
• Protection rating: IP55
• Control method: Start / stop push buttons with rotary isolator
• Motor protection: Compatible with NR2 overload relays
• Application: Three-phase motor starting and isolation
• Suitable environment: Industrial and commercial installations
• Compliance standards: IEC/EN industrial motor control systems

Reliable Motor Starting and Isolation for Industrial Applications

Direct-on-line starters are widely used in industrial motor control systems to provide simple and reliable motor starting functionality for fixed-speed three-phase motors. The CHINT SQ4-7.5P/IS-415V combines durable enclosure protection with dependable motor switching performance and integrated local isolation capability.

Its IP55 metal-clad enclosure helps protect internal components against dust and moisture ingress while supporting safe operation in demanding industrial environments. The integrated isolator switch improves operator safety by allowing local electrical isolation during servicing or maintenance procedures.

Typical Applications

• Industrial pumps and compressors.
• Conveyor and material handling systems.
• Ventilation and extraction equipment.
• Industrial machinery and process systems.
• Workshop and factory motor installations.
• OEM motor control applications.

Trusted by Industrial Engineers Worldwide

CHINT SQ4 motor starters are widely used in industrial automation and motor control systems to deliver dependable motor starting performance, safe isolation capability and long-term operational reliability.