Product Description
Svc reactive power compensation is designed for low-voltage distribution systems that require fast capacitor switching, stable reactive power adjustment, and more reliable operation under frequently changing load conditions. This TSC series reactive power compensation switching regulator is an electronic power device used for the rapid switching of parallel capacitors in AC 50/60Hz systems with rated working voltage of 400V or 230V. The main circuit adopts anti-parallel thyristor modules, and the internal triggering circuit, synchronization circuit, and control circuit work together to complete accurate switching response. The control circuit and control signal are isolated by photoelectric isolation, helping reduce mutual interference during operation. When the compensation controller sends a switching command, the thyristor conducts or cuts off quickly, so the corresponding capacitor bank can be connected or disconnected without the mechanical delay and impact commonly found in traditional electromagnetic contactor switching.
Our factory develops this svc reactive power compensation product for compensation cabinet manufacturers, electrical panel builders, industrial power users, engineering contractors, and overseas distributors who need a higher-capacity switching unit for dynamic reactive power compensation systems. In many industrial and commercial power distribution sites, reactive power changes are closely related to motors, compressors, pumps, welding equipment, elevators, HVAC systems, and production line loads. When the load changes frequently, the compensation system needs a switching device that can respond quickly while reducing inrush current, overvoltage, sparks, and operating noise. This TSC-0.4-60-△ model supports a maximum controlled capacitor capacity of 60Kvar and is suitable for higher-capacity cabinet configurations. With overheat protection, convenient wiring, simple maintenance, and clear installation requirements, it helps customers build a more stable svc reactive power compensation system. For agents and project buyers, this product can also be matched with capacitors, controllers, contactors, and other reactive power compensation components, making it easier to supply a complete cabinet solution instead of only selling a single electrical part.
Specifications
| Product Type | TSC Series Reactive Power Compensation Switching Regulator |
| Model Reference | TSC-0.4-60-△ |
| Application System | Low-voltage dynamic reactive power compensation device |
| Rated Voltage | 400V / 230V |
| Rated Frequency | 50/60Hz |
| Control Capacity | 400V common compensation: 10Kvar-70Kvar; 230V split compensation: 3Kvar-20Kvar |
| Maximum Controlled Capacitor Capacity | 60Kvar |
| Control Terminal Voltage | DC12V |
| Control Terminal Current | 5mA |
| Discharge Circuit | Built-in discharge circuit, discharge time less than 10 seconds, peak value 50V |
| Switching Method | Anti-parallel thyristor module fast switching |
| Main Features | No inrush current, no overvoltage, no sparks, low operating noise, frequent switching, overheat protection |
| Ambient Temperature | -5℃ to +40℃, average temperature within 24h not higher than +35℃ |
| Altitude | Not more than 2000m |
| Main Terminal Wiring Capacity | Maximum 25mm² insulated wire, terminal lugs recommended |
| Recommended Protection Device | NGT or NTOO fast fuse |
| Recommended Fuse Rated Current for TSC-0.4-60-△ | 125A |
| Applicable Installation Size Range | Common compensation above 50Kvar, split compensation above 17Kvar |
| Installation Dimensions | A/B/C/F/H*/G/D/E = 145/240/200/120/145/167/35/218mm |
| Installation Method | Mounted on the compensation device installation plate or frame rail |
| Installation Note | Reserve ventilation space around the heat sink and temperature-controlled fan area |
Applications
Low-voltage dynamic compensation cabinets
Used inside complete low-voltage compensation cabinets to achieve fast switching of parallel capacitor banks and support dynamic reactive power adjustment.
Industrial high-load power distribution systems
Suitable for factories, workshops, compressor rooms, pump stations, production lines, and other sites where inductive loads change frequently and require stable svc reactive power compensation.
Electrical engineering and retrofit projects
Applied in new electrical distribution projects or cabinet retrofit projects where traditional contactor-based compensation needs to be upgraded to faster thyristor-based switching.
Commercial and public facility power systems
Used in shopping centers, office buildings, hospitals, hotels, and public facilities where load fluctuation occurs throughout the day and power factor stability is important.
Capacitor bank control systems
Suitable for common compensation and split compensation capacitor banks, supporting three-phase synchronous switching or phase-separated switching according to cabinet design.
Factory Strength
Our factory has been engaged in electrical product manufacturing since the early 1990s, with long-term focus on capacitor switching contactors and reactive power compensation components. We operate a production facility of more than 3,000 square meters, with an R&D team, quality control personnel, and a monthly production capacity of about 5,000 units. For overseas customers purchasing svc reactive power compensation products, this manufacturing foundation helps support stable supply, repeat orders, and project continuity.
Our product range includes capacitor switching contactors, AC contactors, self-healing low-voltage parallel power capacitors, dynamic reactive power compensation switching regulators, ultra-fast dynamic reactive power compensation switching regulators, intelligent capacitor composite switches, automatic reactive power compensation controllers, and harmonic filters. This product structure allows cabinet manufacturers and distributors to source multiple compensation cabinet components from one supplier. For project buyers, it also helps reduce communication cost and makes model selection, system matching, and after-sales coordination more efficient.
Quality Control
Our factory has ISO9001 quality management system certification and CCC National Compulsory Product Certification. During production, we apply regular inspection methods and carry out 100% inspection before packing. Third-party inspection is accepted when required by customers or engineering projects. For this svc reactive power compensation switching regulator, quality control focuses on thyristor module assembly, control terminal response, terminal connection reliability, insulation safety, switching stability, thermal protection, labeling accuracy, and packing condition.
Because this product is used for fast capacitor switching in low-voltage compensation systems, correct protection and installation are important for long-term reliability. The instruction recommends semiconductor fast fuses such as NGT or NTOO type, and the TSC-0.4-60-△ model uses a recommended fuse rated current of 125A. The main terminal can connect up to 25mm² insulated wire, and terminal lugs are recommended for reliable wiring. During cabinet installation, the incoming line and outgoing line direction should be arranged properly, and enough ventilation space should be reserved around the heat sink and fan area. These details help cabinet manufacturers reduce installation mistakes and improve the stability of the complete compensation system after commissioning.

After-Sales Service
We provide pre-sales technical consultation, sales follow-up, and after-sales support for customers purchasing reactive power compensation components. Before ordering, we can help customers choose suitable models according to system voltage, compensation capacity, control method, capacitor bank design, and cabinet layout. We can also provide wiring guidance, installation information, dimensional references, and technical data to support project communication. OEM/ODM service is available for suitable orders, including discussions on casing color, logo, control voltage, labels, and other project-based customization needs.
During production and delivery, we can follow up order progress and provide photos or videos when necessary. After delivery, our after-sales team can provide remote technical support for installation, commissioning, and troubleshooting. The product warranty period is one year. If goods are damaged after arrival, we will communicate according to the actual situation and provide a reasonable handling solution. We want distributors and project buyers to sell svc reactive power compensation products with stronger technical support, clearer documentation, and more confidence in long-term cooperation.
FAQ
Q1: What is the main function of this svc reactive power compensation product?
A1: It is used for fast switching of parallel capacitors in low-voltage dynamic reactive power compensation systems. It receives switching signals from the controller and uses thyristor-based switching to connect or disconnect capacitor banks quickly.
Q2: What capacitor capacity can the TSC-0.4-60-△ model control?
A2: The TSC-0.4-60-△ model is designed for a maximum controlled capacitor capacity of 60Kvar, and the recommended fast fuse rated current is 125A.
Q3: Can this product replace electromagnetic contactors in compensation equipment?
A3: Yes. It is a suitable alternative to electromagnetic contactors in dynamic compensation systems, especially where frequent switching, no sparks, low noise, reduced inrush current, and reduced overvoltage are required.
Q4: Can samples or OEM/ODM service be provided?
A4: Yes. Samples can be provided before mass production, and OEM/ODM service is supported. Custom production can be evaluated according to technical drawings, prototypes, labeling requirements, control voltage requirements, and actual project application needs.ping.
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