Switchgear
Switchgear insulation components fabricated by The Gund Company include everything from arc chutes for circuit breakers to interphase barriers for pad mount switchgear. We fabricate custom insulating components for the following types of equipment:
- Medium & High Voltage Circuit Breaker Switchgear
- Pad Mounted (Live & Dead Front) Medium Voltage Switchgear
- Metal Clad Medium Voltage Switchgear
- Automatic Transfer Switches
- Motor Control Switchgear
- Metering Equipment
We supply a complete line of insulating components for a wide range of switchgear designs. These components and spare parts can be supplied individually or in complete kits for a particular type of switchgear.
Switchgear Insulation Components
- Arc Quenchers
- Arc Chutes
- Baffle Insulation
- Bushing Insulation
- Fuse Tubes
- Lead Insulation
- Bus Bar Insulation
- Bus Bar Supports
- Insulating Angles
- Insulating Channels
- Stand-off Insulators
- Terminal Boards
- Fuse Boards
- Fuse Clip Insulation
- Fuse Element Insulation
- Interphase Insulation
- Phase Barriers
- Sight Windows
- Bolt Insulation
- Insulating Washers
- Insulating Nuts
- Control Rods
- Insulating Tubes
- Gaskets
Switchgear insulation materials range from glass polyester phase barriers to flame retardant polypropylene.
Switchgear Insulation Materials
| Insulating Material | Typical Applications |
|---|---|
| Glass Polyester, NEMA GPO-1 | Fuse boards, bus supports, cable clamps, terminal boards. |
| Glass Polyester, NEMA GPO-3 | Interphase barriers, bus supports, terminal boards, switch bases. |
| GPO-3 Angle & Channel | Non-metallic structural supports, bus bar supports, cable and lead supports. |
| GPO-3 Stand-off Insulators | Bus bar supports, structural steel spacers, bus separators. |
| Flame Retardant Polypropylene | Low voltage phase barriers, RF shields, fuse clip insulation. |
| Vulcanized Fibre | Low and high voltage fuse tubes, low voltage arc chutes. |
| Polycarbonate Thermoplastic | Sight windows, phase barriers. |
| Silicone Bonded Mica Laminate | High temperature arc chutes. |
| Glass Melamine, NEMA G-9 | Low and medium voltage arc chutes, fuse boards, switch arms. |
| Glass Melamine, NEMA G-7 | High temperature arc chutes. |
The Gund Company has created our Switchgear Insulation Products Handbook detailing the application of insulation in switchgear equipment. It contains application information, material options, and technical data sheets on each material.
