High Power Feedthroughs on ISO Flanges

These high voltage ISO feedthroughs are mounted on KF/LF Flanges that incorporate the industry standard "ISO NW" clamped elastomer sealing principle, making it easy to mount to your existing KF/LF Flange ports.
High Power Feedthroughs
Accu-Glass Products’ High Power hermetic feedthroughs are available in three power ratings up to 20,000 volts and 30 amps.
The maximum standard ratings are:
5kVDC / 30A
10kVDC / 30A
20kVDC / 30A
For custom feedthroughs or for ratings other than the standards, contact the factory. All three versions are offered on Conflat® compatible CF metal seal and ISO-KF elastomer seal flanges. High purity Alumina ceramic insulators provide electrical isolation and copper conductors provide maximum current capacity. The high purity Alumina ceramic is bonded and sealed to low expansion metals in a vacuum furnace environment using precious and semi-precious high temperature vacuum tube grade braze alloys.
Features
- High Voltage to 20 kVDC
- High Current to 30 Amps
- UHV Compatible Construction
- Conflat® and ISO Compatible Mounts
- Kapton® Insulated Vacuum Cables
- Air Service Cables / Boot Connectors
- Custom Solutions on Request
These high voltage ISO feedthroughs are mounted on KF/LF Flanges that incorporate the industry standard "ISO NW" clamped elastomer sealing principle, making it easy to mount to your existing KF/LF Flange ports.
High Power Feedthroughs
Accu-Glass Products’ High Power hermetic feedthroughs are available in three power ratings up to 20,000 volts and 30 amps.
The maximum standard ratings are:
5kVDC / 30A
10kVDC / 30A
20kVDC / 30A
For custom feedthroughs or for ratings other than the standards, contact the factory. All three versions are offered on Conflat® compatible CF metal seal and ISO-KF elastomer seal flanges. High purity Alumina ceramic insulators provide electrical isolation and copper conductors provide maximum current capacity. The high purity Alumina ceramic is bonded and sealed to low expansion metals in a vacuum furnace environment using precious and semi-precious high temperature vacuum tube grade braze alloys.

Features
- High Voltage to 20kVDC
- High Current to 30 Amps
- High temperature rated to 250°C
- UHV compatible construction
- Conflat® and ISO compatible mounts
- Kapton® insulated vacuum cables
- PEEK connector with locking screws
- Air service cables / Boot Connectors
- Custom solutions on request
Specifications
| Electrical | |
| Voltage 1, Maximum | 5, 10, 20 kVDC |
| Current 2, Maximum | 30 A |
| Material | |
| Shell, Stainless Steel | 304 |
| Pin, Conductor | Cu, OFE |
| Ceramic Insulator | Alumina |
| Connector, Air | Silicone |
| Connector, UHV (Au Plated) | BeCu |
| Vacuum Range | |
| UHV, Ultrahigh vacuum | 1x10E-10 Torr |
| HV, High vacuum | 1x10E-8 Torr |
| Temperature Range 2 | |
| Feedthrough | 250°C |
| Flange, Conflat® | 450°C |
| Flange, ISO | 150°C |
| Connector / Cable, Air | 125°C |
| Connector / Cable, UHV PEEK | 250°C |
| Thermal Gradient, Maximum | 25°C/minute |
| Notes |
- Electrical ratings are maximum test values, with vacuum side at ≤ 1x10-4 Torr. Feedthroughs are designed for high power applications.
- Overall assembly ratings must be adjusted to that of its lowest rated component. For cryogenic service, the lowest recommended temperature is -200°C
- Unless designated a 'kit,' connectors and cable assemblies are not included with feedthrough and must be purchased separately.