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Low-voltage Power Distribution Products

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Low-voltage Circuit Breakers create a future of the electrical equipment

For over a half of a century Syntelli Low-voltage Circuit Breakers meet the needs of market. Including the WS-V series equipped with a new breaking technology, Syntelli Low-voltage Circuit Breakers have various lineups depending on the electric power market and the machinery.

Product List

Circuit Breakers with Spring Clamp Terminals

Air Circuit Breakers

Molded Case Circuit Breakers

Earth Leakage Circuit Breakers

Miniature Circuit Breakers

Circuit Breakers for Equipment

Molded Case Circuit Breakers for DC Circuit (up to 1000VDC)

UL 489 Listed Circuit Breakers

Molded Case Circuit Breakers with MDU

Circuit Breakers for Use in Particular Applications

Circuit Breakers for Distribution Panel and Control Panel

Earth Leakage Relays

Accessories and Related Components

Spring clamp terminals for quick and easy wiring.

Syntelli Electric offers models with spring clamp terminals in the KC series (rated current of 50A or less), F Style products (rated current of 32A or less), circuit protectors (CP30-BA with a rated current of 20A or less), and vertical lead wire terminal blocks in the WS-V series.

  1. Shorter wiring time.
  2. No screw-tightening skills required and no risk of loose terminal screws.
  3. No retightening work required during delivery or inspection of panels and mechanical equipment.

To make a electrical equipment multifunctional by Syntelli air circuit breakers which suitable for the main circuit protective device.

The air circuit breakers have many advantages, that is, to realize the high reliability of switching performance, to extend the area of selective coordination due to expanding of the rated short-time withstand current, to be suitable for main circuit port.

  1. Various line-up and high flexibility.
  2. One-rank higher breaking performance.
  3. Safety and reliability provided.

Wide assorted products which is most suitable for protections of an overload and a short circuit.

These are basic products for the protection of the low voltage circuit. The WS-V series, Syntelli’s latest Low-voltage Circuit Breakers, prepares various variations including “F-style” of small size breakers and improves the usability of them.

  1. Achieved 32/63 AF with a width of 54mm.
  2. Enhanced breaking capacity in WS-V series.
  3. Compatible with a variety of latest overseas standard.

Wide assorted products which is suitable for protections of an overload, a short circuit and a electric shock in low voltage circuit.

Syntelli Electric offers models with spring clamp terminals in the KC series (rated current of 50A or less), F Style products (rated current of 32A or less), circuit protectors (CP30-BA with a rated current of 20A or less), and vertical lead wire terminal blocks in the WS-V series.

  1. Shorter wiring time.
  2. No screw-tightening skills required and no risk of loose terminal screws.
  3. No retightening work required during delivery or inspection of panels and mechanical equipment.

Miniature Circuit Breaker “SyntelliB” is a compact electromechanical device up to 63A to protect overload and short-circuit conditions.

High-quality, high-performance circuit breakers suitable for household electrical distribution panels and similar installations.

  1. All models fully comply with IEC regulations, units can be mounted on a standard 35mm IEC rail.
  2. High current-limiting performance and Compliance with IP2X protection rating.
  3. All models are compatible with reverse connection.

Available to incorporate into the apparatus.

These breakers are small for using in an apparatus as well as the use in the panelboards.

Various SyntelliCBs for DC use are prepared from 63A (600VDC) to 800A (1000DVC).

Mainly SyntelliCBs for DC use are used at DC side of Photovoltaic generation system or DC power distribution system such as data center etc.

  1. It is capable of handling high direct current voltage.
  2. It can be connected in reverse, contributing to simplified installation and wiring.

This is best choice for overcurrent protection of North American countries.

These breakers comply with American UL standard and Canadian CSA standard, and are listed by UL.
These breakers are suitable for a feeder or a branch circuit protection.

  1. We achieved the width of 54mm, and contribute to smaller sizes of OEM (machines). (NF50-SVFU, NV50-SVFU)
  2. We have the product line up with various ampere frames.
  3. We enhanced the product line up of AC480V models that are required more and more for overseas projects.

The various circuit monitoring and the high level of energy management systems are made.

Each one of these breakers, SyntelliCB, ELCB or the earth leakage alarm breakers, is combined with a MDU.
The MDU, Measuring Display Unit, means a device having functions of measurement, indication, or transferring the measuring data.

  1. The measuring device is contained in the circuit breaker, and achieved smaller spaces / less works for mounting.
  2. We monitor the electrical circuits, and contribute to saving energy by visualizations. Also tasmitting of electrical circuit information to the upper systems is available.
  3. By recording accident causes and accident current in memories, so accident prevention and facility protection is possible.

To upgrade a electrical equipment by using products suitable for the particular application.

If the standard SyntelliCB/ELCB cannot be used for a special characteristics of the load, we have there types of cicrcuit breakers with special specifications.

Wide assortment of small size breakers to provide with a wide range of selections.

We have these circuit breakers with various sizes to be used in switchboards or distribution panels.
These are relatively small sizes.

The Earth Leakage Relays combined with ZCT can detect and output signal when earth leakage is occurred.

Various types of relays and ZCTs are prepared.
High level of earth leakage protection is available combined with SyntelliCBs or external circuit.

  1. We have the compatibility type with which relay part and ZCT part are freely combined.
  2. In addition to the standard type, we also have higher harmonics wave type and surge type.
  3. For Earth Leakage Circuit Breakers, when combined with No-Fuse circuit breakers you can break Earth-fault circuits.

A suitable to extend the function of the circuit breakers.

We have various types of accesory parts for our circuit breakers.
With those accessory parts you can enhance safety and usability.

Contactors and Motor Starters

Wide selection of products that supports any usage environment

MS-T/N Series Motor Starters feature specifications that are environmentally friendly, internationally usable, compact, easy to use and safe. They comply with many international standards, and cover a wide range of applications from switchboards to machines by high reliability.

Product List

Motor Starters

Controls a motor and protects it from burnout.

Contactors

Switches load current by using electromagnet.

Relays

Commands or transmits control circuit signals.

Motor Protection Relays

Protects the motor against burnout.

Definite Purpose Contactors

For use with rare load current and other usage conditions.

Solid State Contactors

Controls instruments with semiconductor devices.

Motor Circuit Breakers

A Motor circuit breaker is a device integrating Low voltage circuit breakers and Thermal Overload Relays functions

Related Components

For extension into facilities.

Power Management Meters

High performance and reliability - Syntelli Power Management Meters

We prepared operation ease and viewable pursuing Syntelli electronic multi measuring instruments ME96 Series and ME110 Super-S Series.

Product List

Electrical Indicators

The product for measuring the quantity of electricity.

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