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sq4-11p/is-sd-415v chint 11kw metal clad star-delta starter 415v ip55 with isolator
Chint SQ4-11P/IS-SD-415V enclosed star-delta starter with 11 kW motor capacity, 415 V AC control circuit, integrated isolator and IP55 metal clad enclosure for industrial motor control applications.
£455.04
Why Choose the Chint SQ4-11P/IS-SD-415V Star-Delta Starter?
The Chint SQ4-11P/IS-SD-415V is a robust and reliable enclosed star-delta motor starter with isolator designed for reduced-current starting of three-phase industrial motors. As part of the Chint SQ4 motor starter series, it provides dependable motor control while reducing electrical stress during startup and improving the operational reliability of industrial machinery.
This starter features a durable metal clad enclosure, an integrated isolator switch for safe maintenance disconnection and an IP55 protection rating suitable for industrial environments. The enclosed design provides a complete star-delta starting solution for applications requiring reliable motor switching and safe local isolation.
With a maximum motor rating of 11 kW and a 415 V AC control circuit, the SQ4-11P/IS-SD-415V is suitable for pumps, compressors, conveyors, fans and other three-phase motor applications requiring reduced-current starting with local isolation capability.
Key Advantages
- Reliable star-delta starter with isolator designed for industrial motor control.
- 11 kW maximum motor rating for medium-duty industrial applications.
- 415 V AC control circuit for standard industrial motor systems.
- Integrated isolator switch for safe equipment maintenance.
- Metal clad enclosure with IP55 protection for demanding environments.
- Reduced starting current helps minimise motor and electrical system stress.
Key Features
- Chint SQ4 star-delta starter series.
- 11 kW rated motor capacity.
- 415 V AC, 50 / 60 Hz control circuit.
- Built-in isolator switch.
- Metal clad enclosed construction.
- IP55 protection rating.
- Reduced-voltage star-delta motor starting.
- Compatible with thermal overload relay protection.
Reduced Current Motor Starting for Industrial Systems
Star-delta starters such as the Chint SQ4-11P/IS-SD-415V reduce motor starting current by initially connecting the motor in a star configuration before switching to delta operation during normal running. This helps reduce electrical demand during startup and minimises mechanical stress on connected equipment.
The Chint SQ4 series is designed for industrial engineers and machine builders requiring dependable motor starting solutions. Its enclosed metal construction, IP55 protection and integrated isolator provide reliable performance and safer maintenance procedures in industrial control applications.
Typical Applications
- Industrial pumps and compressors.
- Fans and ventilation systems.
- Conveyor and material handling equipment.
- Production and processing machinery.
- Water treatment and utility systems.
- General industrial motor control applications.
Technical Specifications
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| IP Rating | IP55 | |
|---|---|---|
| Power | 11 kW | |
| Voltage | 400 V | |
| Starter Type | Star Delta | |
| With Isolator | Yes | |
| Coil / Supply Voltage | 415 V AC | |
| Manufacturer | Chint | |
| Series | SQ4 Motor Starters | |
| Model | SQ4-11P/IS-SD-415V | |
| Product type | Enclosed star-delta starter with isolator | |
| Motor rating | Maximum 11 kW | |
| Control voltage | 415 V AC | |
| Control frequency | 50 / 60 Hz | |
| Starter type | Reduced-voltage star-delta starter | |
| Isolator | Integrated manual isolator switch | |
| Enclosure type | Metal clad | |
| Protection rating | IP55 | |
| Motor supply | Three-phase AC | |
| Mounting type | Surface mounting | |
| Motor full load current | 22 A | |
| Delta loop current required | 12.8 A | |
| Compatible overload | Chint NR2-25-18 |
Frequently Asked Questions
What is the Chint SQ4-11P/IS-SD-415V used for?
The Chint SQ4-11P/IS-SD-415V is used for reduced-current starting of three-phase industrial motors with an integrated isolator for safe maintenance.
What motor size is supported by this starter?
The starter supports motors up to 11 kW when used within the specified operating conditions.
What control voltage does this star-delta starter require?
The SQ4-11P/IS-SD-415V uses a 415 V AC control circuit.
What is the benefit of a star-delta starter?
A star-delta starter reduces motor starting current and helps minimise electrical and mechanical stress during motor startup.
Does this starter include an isolator?
Yes, the SQ4-11P/IS-SD-415V includes an integrated isolator switch for safe electrical disconnection during maintenance.
Trusted by Industrial Engineers Worldwide
Chint SQ4 star-delta starters with integrated isolators are widely used in industrial motor control systems where reduced-current starting, reliable operation, durable enclosure protection and safe isolation are essential.
