| WARNING Only licensed experts may install electrical components. They must adhere to local and state legislation and regulations. |
| WARNING Transmitters powered with AC (mains) power must be connected only to a grounded (earthed) power supply (class I equipment). |
| WARNING Only licensed experts may connect the AC (mains) power connection to the power supply. A readily accessible disconnect device must be incorporated in the fixed wiring. |
| WARNING Make sure that you prepare and connect only de-energized wires. |
| CAUTION Do not modify the unit or use it in ways not described in the documentation. Improper modification or use may lead to safety hazards, equipment damage, failure to perform according to specification, decreased equipment lifetime, or the warranty becoming void. |
| CAUTION Do not use the transmitter in a manner not specified by Vaisala. If the transmitter is used in an unspecified manner, the protection provided by the equipment may be impaired. |
| CAUTION Do not replace detachable mains supply cables by inadequately rated cables. |
Power supply input wiring is required only for transmitters powered with protective extra-low voltage (PELV) or AC (mains) power.
For the M20×1.5 cable gland ordered together with the transmitter from Vaisala, the cable diameter is 5.0 … 8.0 mm (0.20 … 0.31 in). Tightening torque for the cable gland is 8 Nm.
| Terminal | Function | Notes |
|---|---|---|
| Power supply ground | ||
| L | Line | 100 … 240 V AC 50/60 Hz |
| N | Neutral |