Connection options 
The HV Breakout Modules (HV BM) are installed directly in the HV power cables and are capable of measuring current directly from the inner conductor, shield current, voltage and calculating instantaneous power. Due to the direct measurement from the HV power cables and the integrated shielding, the measurement results are improved compared to other methods.
Depending on the type, the HV cables are connected to the HV BMs via one of the following options:
Depending on the diameter of the HV cables, various sized ring terminals are available for connecting the inner conductor ot the measurement points inside the HV BM. Appropriately sized cable glands are attached to the housing of the HV BM. The cable glands ensure a seal around the cable insulation to achieve IP-67 rating
The cable shield is connected to the triangle spring inside the cable gland and makes contact with the HV BM housing. This is done on both sides of the module providing continuity of the shield. Optionally, the braided shield can be routed separately into the HV BM housing and attached to another shunt, e.g. specifically for measuring the shield currents with the HV Breakout Module 1.2+S.
With the cable glands, the HV Breakout Modules can be used safely and even under demanding conditions in test vehicles.
Optionally, customer-specific, HV-safe plug-in systems can also be individually prepared. The project-specific connector system is attached to the HV cables.
With the connector systems PL500 (for HV Breakout Module 1.2C) or PL300 (for HV Breakout Module 3.3C), the HV power cables on test benches can be easily and safely connected to, and subsequently disconnect from the HV Breakout Modules. The cable shield is also contacted to the housing via the connector system with this quick connection system.
Both the PL500 and PL300 are interlock-capable and when plugged in, the connector system offers protection in accordance with protection class IP67. Color coding of the sockets on the HV Breakout Module 1.2C facilitates the proper connection of the separate HV+ and HV- power cables.
Appropriate crimping tools are available for attaching the appropriate connectors to the HV cables. This also allows connectors to be attached to the cables directly on site.
Thanks to the robust design of the PowerLok connectors, high mating cycles and the simple connection, measurement setups can be set up easily and DUTs can be replaced quickly. This makes the "C" variants of the HV Breakout Modules particularly suitable for use on test benches.
| Cable gland type | 9/14 | 11/20 | 15/25 | Cable connection |
|---|---|---|---|---|
| Cable outer diameter | ||||
| D1 maximum | 14 mm | 20 mm | 25 mm | |
| D1 minimum | 9 mm | 11 mm | 15 mm | |
| D2 maximum | 12 mm | 17 mm | 21 mm | |
| HV Breakout Modules | ||||
| HV BM 1.1 | 3 ring terminals per side | |||
| HV BM 1.2 | 2 ring terminals per side | |||
| HV BM 1.2+S | 3 rings terminal per side | |||
| HV BM 1.2+U | 2 rings terminal per side | |||
| HV BM 3.3 | 3 ring terminals per side | |||
| HV BM 3.1 OBC | Three special sizes available See data sheet | 3 ring terminals per side | ||
| HV BM 3.1 | Phoenix terminals | |||
| HV Breakout Modules | Cable connection |
|---|---|
| HV BM 1.2C | PL500 connector |
| HV BM 3.3C | PL300 connector |
Click on the corresponding module designation for more information.
