Terasaki

The Terasaki TD3 2 Pole Miniature Circuit Breaker is a reliable and versatile electrical protection device suitable for various applications. Available in ampere ratings ranging from 6A to 63A, it accommodates diverse electrical requirements. With AC breaking capacities of 6KA and 10KA at 230/400V,...

The Terasaki TECS Miniature Circuit Breakers are engineered to protect electrical installations from overloads and short circuits in residential, commercial, and light industrial applications. Built with positive contact indication, these MCBs provide true contact status, improving operational safety and maintenance confidence. Designed in accordance with...

The Terasaki Door Flange is used to cover openings or cut-outs in switchboard doors created for the installation of meters, indicators, or other control devices. It provides a secure and professional panel finish while protecting personnel from accidental contact with live components inside the...

The Terasaki IP55 Cover is a high-quality accessory for electrical switchboards, intended to enhance the ingress protection (IP) rating of standard panels. By mounting this cover on the switchboard door, it provides protection against dust ingress and water jets, meeting IP55 standards. This accessory...

The Terasaki Spring Charge Indication Switch is used in conjunction with spring-operated Air Circuit Breakers (ACBs) and Molded Case Circuit Breakers (MCCBs) to provide accurate status indication of the spring charging mechanism. This ensures operators are immediately aware of whether the breaker is ready...

The Terasaki Auxiliary Switch 10C is engineered to enhance operational control of Air Circuit Breakers (ACBs) and Molded Case Circuit Breakers (MCCBs). By providing ten auxiliary contacts instead of the standard four, this accessory allows for comprehensive breaker status signaling, alarm notifications, interlocks, and...

The Terasaki Auxiliary Switch 7C is an advanced electrical accessory used in conjunction with Terasaki ACBs, MCCBs, and protection relays. It provides seven auxiliary contacts instead of the standard four, allowing for more flexible operational control, signaling, and remote monitoring. This auxiliary switch is...

The Terasaki Closing Latch Release (CLR) is an essential operating accessory used in Terasaki Air Circuit Breakers (ACBs) and compatible switching devices. It allows the breaker’s closing mechanism to be released electrically, ensuring controlled and safe operation during remote or automated switching. The CLR...

The Terasaki Shunt Trip Release is a vital safety and control accessory used with Terasaki ACBs and MCCBs. It allows the circuit breaker to be tripped remotely by applying a control voltage, making it ideal for emergency shutdown systems, fire alarm integration, and automated...

The Terasaki Shunt Trip Release is a vital safety and control accessory used with Terasaki ACBs and MCCBs. It allows the circuit breaker to be tripped remotely by applying a control voltage, making it ideal for emergency shutdown systems, fire alarm integration, and automated...

The Terasaki Under-Voltage Trip (UVT) – Time Delay Type is an advanced breaker accessory used to protect electrical systems from unsafe low-voltage conditions. When the supply voltage falls below the preset threshold, the UVT prevents breaker closing or initiates automatic tripping after a selectable...

The Terasaki Auxiliary CT for Earth Fault (EF) Protection is an essential protection accessory used in conjunction with Terasaki circuit breakers and protection relays. It accurately senses residual or earth fault currents, enabling fast and reliable tripping during ground fault conditions. This auxiliary CT...

The Add-on Adjustable Earth Fault Protection (w/o 4th CT) is engineered to enhance the protection capabilities of 4-Pole Air Circuit Breakers by detecting earth faults through residual current sensing of the phase conductors. Unlike traditional systems that require a separate neutral (4th) current transformer,...

The Terasaki Adjustable Earth Fault Protection Add-On (w/o 4th CT) is engineered to improve safety and fault protection in low-voltage power distribution systems. Designed specifically for 3-pole Air Circuit Breakers, this add-on detects earth faults by summing phase currents internally, eliminating the need for...

The Terasaki Mechanical Interlock (Between Two ACBs) is engineered to provide reliable mechanical safety interlocking in electrical power distribution systems. It is commonly used in main–standby, utility–generator, and dual-incomer applications, where preventing parallel operation is critical. This interlock system physically links two Air Circuit...

The Terasaki Key Interlock System is engineered to enhance operational safety in electrical installations. It ensures that only one sequence of operation is possible at any time, providing fail-safe interlocking between circuit breakers, disconnect switches, and earth switches. This system is ideal for medium...

The Terasaki Key Interlock is engineered for secure and safe operation of electrical switchgear. By controlling the insertion and removal of keys, it ensures that breakers cannot be operated unless the system is in a safe condition, preventing accidents caused by human error. This...

The Terasaki Trip Indicator Switch is engineered for quick fault detection and safe monitoring of electrical systems. Compatible with Terasaki MCCBs, ACBs, and motor protection devices, it provides instant visual feedback when a breaker trips due to overload, short circuit, or ground fault. Designed...

The Terasaki Trip Indicator Switch is engineered for quick fault detection and safe monitoring of electrical systems. Compatible with Terasaki MCCBs, ACBs, and motor protection devices, it provides instant visual feedback when a breaker trips due to overload, short circuit, or ground fault. Designed...

advanced LSIG electronic protection (Long-time, Short-time, Instantaneous, Ground fault) and an extra high breaking capacity of 100kA at 440VAC, ensuring reliable interruption of extreme fault currents. Compliant with IEC 60947-2, the AR440SB offers Ics = 100% Icu and Icw = 100% Icu, delivering superior...

The Terasaki TemPower2 AR325H Digital Air Circuit Breaker is engineered for high-current, high-fault environments where intelligent protection and system reliability are essential. Featuring a 4-pole design and a rated current of 2500A, this ACB provides complete protection including neutral conductor protection, making it ideal...