chint nq3-5.5p-415v 5.5kw dol with 415v ac coil ip55

Why Choose the Chint NQ3-5.5P-415V DOL Starter?

The Chint NQ3-5.5P-415V is a durable and dependable Direct-On-Line (DOL) electromagnetic motor starter engineered for safe starting and stopping of three-phase induction motors in industrial and commercial applications. Designed as part of the proven Chint NQ3 series, this starter combines a contactor and overload relay compatibility within a robust IP55-rated enclosure for reliable motor control in demanding environments.

Designed for straightforward installation and long operational life, the NQ3-5.5P-415V provides dependable motor switching functionality while supporting overload and phase failure protection through compatible NR2 thermal overload relays. Its integrated push-button control station simplifies operation, making it suitable for pumps, compressors, conveyors, fans and industrial process equipment.

With a rated motor power of 5.5 kW, a 415 V AC control coil and support for three-phase motor applications, the Chint NQ3-5.5P-415V provides reliable and cost-effective motor starting for industrial automation and electrical distribution systems.

Key Advantages

• Reliable Direct-On-Line motor starter for industrial applications.
• 5.5 kW motor rating suitable for small and medium motors.
• 415 V AC control coil for three-phase control systems.
• Integrated start and stop push-button controls.
• IP55 enclosure protects against dust and water ingress.
• Supports overload and phase failure motor protection.
• Compact design suitable for industrial control panels and machinery.

Key Features

• Chint NQ3 electromagnetic starter series.
• 5.5 kW rated motor power.
• 415 V AC control voltage.
• IP55-rated enclosure.
• Integrated start and stop push buttons.
• Compatible with NR2 thermal overload relays.
• Suitable for direct-on-line motor starting.
• Wall or panel mounting installation.
• Designed to IEC/EN 60947-4-1 standards.

Technical Specifications

• Manufacturer: Chint
• Series: NQ3 Electromagnetic Starter
• Model: NQ3-5.5P-415V
• Product type: Direct-On-Line motor starter
• Motor power rating: 5.5 kW
• Maximum operational current: 12 A
• Control coil voltage: 415 V AC
• Rated operational voltage: Up to 660/690 V AC
• Frequency: 50 / 60 Hz
• Protection rating: IP55
• Contactor type: NC1-1810
• Compatible overload relay: NR2-25 series
• Current setting range: approx. 5.5–8 A with compatible overload relay
• Mounting type: Wall / panel mounting
• Dimensions (H × W × D): approx. 166 × 130 × 96 mm
• Mechanical life: approx. 1,000,000 operations
• Electrical life: approx. 500,000 operations
• Standards compliance: IEC/EN 60947-4-1

Reliable Motor Starting for Industrial Applications

Direct-On-Line starters such as the Chint NQ3-5.5P-415V provide a simple and dependable method of starting induction motors by applying full line voltage directly to the motor terminals. This approach is widely used for pumps, compressors, conveyors and industrial machinery where robust motor control and straightforward installation are required.

The NQ3 series combines compact construction with reliable switching performance and dependable motor protection capability, making it a popular choice for industrial electricians, machine builders and automation engineers requiring cost-effective motor control solutions.

Typical Applications

• Pumps and water treatment systems.
• Compressors and refrigeration equipment.
• Industrial conveyors and material handling.
• HVAC and ventilation systems.
• Machine tools and workshop machinery.
• Industrial automation and OEM machinery.
• General-purpose three-phase motor control.

Trusted by Industrial Electricians and Machine Builders

Chint NQ3 DOL starters are widely used across industrial automation and motor control systems for dependable operation, straightforward installation and reliable motor protection performance.