GigaWatt G-C16A 2P Circuit Breaker

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Excl. TAX: € 202.48 Incl. TAX: € 245.00

Quick Overview

  • World's first audio grade automatic circuit breaker
  • OFC, polished silver plated contacts
  • Massive bakelite housing
  • Cryogen treated and demagnetised
  • DIN rail mounting
  • Line Voltage maximum 250 V 50/60 Hz
  • Current Rating 16 A
  • Short Circuit Capacity (Icn) 1500 A
  • Tripping Characteristic Type C ("slow")
  • Weight 160 g
  • Dimensions: 92x72x38 mm


Worlds first audio grade automatic circuit breaker

The GigaWatt G-C16A 2P is a 2-pole circuit breaker designed for hi-end audio/video systems power lines. The 2-P version has two working contact pins, and protects (cuts off) both the phase conductor and the neutral.

The new fuse modules have been designed mainly to facilitate their application in most low-voltage 230V household electrical circuits, where standard 16A protection is required. Although the protection amperage suggests a lower value compared to the previous version of the G-C20A 2P circuit breaker, in fact the new types of fuse modules have a much greater resistance to instantaneous starting currents (Hi-Inrush).

This is extremely important due to the fact that audio-video devices (especially large power amplifiers) have different load characteristics from ordinary household loads. When the amplifier is turned on, within the first milliseconds, the current consumed by such a load (starting current) can be up to 10-20 times higher than the current consumption during normal operation. These high inrush currents cause the contacts in fuses and circuit breakers to burn, and consequently damage them.

This device is manufactured in the USA by Carling Technologies, according to GigaWatt specifications. The hydraulic-magnetic switch contains, among others, an induction coil that generates a magnetic field proportional to the current flowing through it. After exceeding a certain current value, the magnetic field causes the switch to operate precisely at the right time by opening the contacts and disconnecting the protected circuit from the mains.

The advanced construction of the switch contains an innovative coil system, which has a core moving in a non-magnetic tube filled with special, oily fluid. This fluid can have different density, what allows for precise regulation of the delay characteristic and controlling the switching-off process. The switch is designed to ignore swift, peak load changes, which would trigger standard protection, and activates only when safe values are exceeded.

The G-C16A 2P installation switch does not have the typical shortcomings of thermal or case fuses, which are the result of their simple construction. All fuses – even the audiophile ones – besides the obvious protection capabilities, have one main weak point, which excludes them from usage in audio gear – they throttle the full power applied to the circuit. This flaw is the consequence of the very small diameter of the protective element, usually a thin copper, or silver wire – things the GigaWatt switch does not have.

The overcurrent switch G-016A 2P excels with a very solid construction, high quality of internal elements, resistance to vibration and working stability independent of the ambient temperature. The casing of the switch is made from black phenol-formaldehyde resin, what guarantees high rigidity. It is also fire proof, melt proof, antistatic, has a low electric and heat conductivity with relatively high mechanical resistance. Internal components, like connectors and contacts, which take part in current conduction, are made from copper with large cross-section, the coil itself is made from thick copper wire, which does not cause any throttling or losses. The main contact elements are made from silver with a large contact surface.

The switch should be mounted on a standard DIN rail, and it can be connected to bare wire or spade connectors. The construction of the switch prevents the contact of the palm or fingers with live connection elements.

The switch conforms to all European norms, requirements, directives and technical approvals (CE, VDE).

NOTE: Installation work exposes to direct contact with potentially lethal voltage. There is risk of an electric shock! All activities related to installation may only be made by qualified personnel following appropriate regulations (DIN VDE 0100 and IEC 664 or DIN VDE 0110).

Hydraulisch: GigaWatt Sicherungs-Automat G-C20A von Tom Semmler @

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