Horizon

The Horizon fills the market need for outdoor, ground-mounted circuit breakers and features the award winning magnetic actuator.

Designed for a 38kV application, the Horizon can be used with other products from BRUSH Switchgear to provide cost-effective and compact substations or breathe new life into existing substations by replacing old and obsolete equipment.

Key Features

  • Superior, proven technology with minimal maintenanceVacuum interruption in an SF6 filled, controlled environment (0.5 bar gauge)Dead tank construction suitable for live or dead tank applicationsInternal arc containment

    Generous accommodation for current transformers

    The lightweight aluminium tank makes the Horizon easier to transport and install

    The silicone rubber bushings are resistant to damage from vandalism or mishandling and have an extended creepage of 1550mm

    Cubicle with space for ancillary equipment and option for integrated control and protection relay

    Optional Adjustable Legs version

Ratings

Maximum System Voltage kV 38
Continuous Current A 1250/2000
Interrupting Current kA 25/31.5
Rated Operating Sequence O – 0.3sec – CO – 15sec – CO
Impulse Voltage Withstand kV 170/200
Power Frequency Withstand Dry kV 1min 80
Power Frequency Withstand Wet kV 10secs 80
Rated Gas Pressure for above Atmospheric
Control Voltage V dc 110/125 (48 & 220 Optional)
Rated Frequency Hz 50/60
Rated 3 sec Short-Time Current kA 25/31.5
Rated Peak Making Current kA 65/82
Ambient Air Temperature ˚C -50 – +50
Degree of Protection IP45
Weight kg 800