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imo mc74-k-00400 capacitor switching contactor 75kvar, 400vac
IMO MC74-K-00400 capacitor switching contactor with 75 kVAR switching capability, integrated pre-charge resistors and 400 V AC control coil for industrial power factor correction systems.
£222.61
Why Choose the IMO MC74-K-00400 Capacitor Switching Contactor?
The IMO MC74-K-00400 is a specialist capacitor switching contactor designed for reliable operation in industrial power factor correction systems and capacitor bank switching applications. Engineered to manage high inrush currents associated with capacitor energisation, this industrial-duty contactor provides dependable switching performance while helping extend capacitor life and improve overall electrical system efficiency.
Part of the trusted IMO MC capacitor switching contactor range, the MC74-K-00400 is widely used in industrial power distribution systems, reactive power compensation equipment and automatic capacitor bank assemblies. Its integrated pre-charge resistor design minimises electrical stress during switching and supports stable long-term operation in demanding industrial environments.
With a capacitor switching capability of 75 kVAR and a 400 V AC control coil, this contactor is ideally suited for industrial capacitor bank switching and energy efficiency applications.
Key Advantages
- Specialist capacitor switching contactor for power factor correction systems.
- 75 kVAR switching capability suitable for industrial capacitor banks.
- 400 V AC control coil compatible with industrial control circuits.
- Integrated pre-charge resistors help reduce capacitor inrush currents.
- Reliable switching performance for reactive power compensation systems.
- Suitable for industrial capacitor bank panels and automation systems.
- Robust industrial construction for dependable long-term operation.
Key Features
- IMO MC capacitor switching contactor series.
- 3-pole capacitor switching contactor.
- 75 kVAR capacitor switching rating.
- 400 V AC coil voltage.
- Designed for industrial power factor correction systems.
- Integrated pre-charge resistor arrangement for reduced inrush current.
- Reliable arc suppression for safe operation.
- Industrial-duty panel mounting format.
Reliable Capacitor Switching for Power Factor Correction Systems
Capacitor switching contactors such as the IMO MC74-K-00400 are specifically engineered to manage the high transient currents generated when capacitor banks are energised. Unlike standard contactors, capacitor switching contactors include pre-charge resistors and controlled switching arrangements that reduce electrical stress and improve operational reliability.
The IMO MC capacitor switching series is widely used in industrial facilities, manufacturing plants and commercial buildings where improved power factor and reduced reactive power consumption are required. Its specialist switching design helps improve energy efficiency while extending capacitor bank service life.
Typical Applications
- Power factor correction systems.
- Automatic capacitor bank switching panels.
- Industrial reactive power compensation systems.
- Manufacturing plant energy efficiency systems.
- Commercial building power management systems.
- Industrial power distribution installations.
Technical Specifications
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| Coil Voltage Range | 380–440 V | |
|---|---|---|
| Device Type | Capacitor Switching Contactor | |
| Voltage | 400 V | |
| Phase | Three Phase | |
| Poles | 3-pole | |
| Coil Type | AC | |
| Series | MC Capacitor Switching Series | |
| Product type | Capacitor switching contactor | |
| Number of poles | 3 Pole | |
| Capacitor switching rating | 75 kVAR | |
| Control coil voltage | 400 V AC | |
| Application | Power factor correction systems | |
| Maximum operating voltage | 690 V AC | |
| Standards compliance | IEC 60947-4-1 / IEC 60831 | |
| Mounting type | DIN rail / panel mounting | |
| Suitable for | Capacitor banks and reactive power compensation | |
| Construction | Industrial-duty compact design | |
| HS Code | 8536490099 | |
| Country of Manufacture | Austria |
Frequently Asked Questions
What is the IMO MC74-K-00400 used for?
This contactor is used for switching capacitor banks in power factor correction and reactive power compensation systems.
What capacitor size can this contactor switch?
The MC74-K-00400 is rated for capacitor switching applications up to 75 kVAR.
What coil voltage does the contactor use?
The unit is fitted with a 400 V AC control coil suitable for industrial control systems.
Why use a capacitor switching contactor instead of a standard contactor?
Capacitor switching contactors are specifically designed to reduce inrush currents and electrical stress during capacitor energisation, helping improve operational reliability and capacitor lifespan.
Which standards does this contactor comply with?
The contactor complies with IEC 60947-4-1 and IEC 60831 standards for capacitor switching applications.
Trusted by Power Distribution Engineers Worldwide
IMO capacitor switching contactors are trusted by industrial engineers and panel builders for reliable capacitor bank switching, efficient reactive power compensation and dependable industrial performance.
