Abb Residual current device is designed to ensure the protection of people from current leakage in electrical circuits. Ideal for residential and commercial installations, ensuring tripping in the presence of differential sine wave alternating currents, with the following characteristics:
Rated current: 40 Amps
Number of poles: 4P
Rated residual current: 300 mA
Rated voltage: 230-400V AC
Type of differential current: AC, effective on sinusoidal alternating currents
DIN rail mounting (4 modules)
Politiche per la sicurezza
(modificale nel modulo Rassicurazioni cliente)
Politiche per le spedizioni
(modificale nel modulo Rassicurazioni cliente)
Politiche per i resi
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Residual current device designed to protect people from indirect contacts and provide additional protection against direct contacts. However, it does not incorporate thermal-magnetic protection, so it should be used in conjunction with a circuit breaker or fuses to prevent overloads and short circuits.
This model belongs to the AC category, which means it is capable of detecting and interrupting the power supply in the presence of sinusoidal alternating differential currents. Intervention takes place quickly and safely, both in the case of sudden leakage and gradual growth leakage.
The switch is designed to be installed on a DIN rail, with a footprint of 4 modules. Connections are made via screw terminals, with a tightening torque of 2.8 Nm and a cable stripping length of 12 mm, ensuring safe and stable mounting.
With its electrical resistance of up to 1000 cycles and the ability to operate in a temperature range of -25 to +55 degrees, this differential switch ensures high performance under all conditions. In addition, it is designed to withstand an insulation voltage of up to 500 V and an impulse withstand voltage of 4 kV, making it reliable and durable.
| Feature | Value |
|---|---|
| Rated current | 40 A |
| Number of poles | 4P |
| Rated residual current | 300 mA |
| Residual current type | AC type |
| Input voltage type | AC |
| Rated voltage | 230-400 V |
| Rated insulation voltage | 500 V |
| Frequency | 50/60 Hz |
| Test voltage | 110-254 V |
| Feature | Value |
|---|---|
| Impulse withstand voltage | 4 kV |
| Rated conditional short-circuit current | 10 kA |
| Electrical resistance | 1000 cycles |
| Degree of protection | Terminals IP20 - Housing IP40 |
| Pollution degree | 2 |
| Feature | Value |
|---|---|
| Number of modular spacings per DIN rail | 4 |
| Tightening torque | 2.8 Nm |
| Length of cable stripping | 12 mm |
| Clamp type | Screw clamps |
| Ambient temperature | -25/+55 degrees |
| Feature | Value |
|---|---|
| Width in number of modular intervals | 2 |
| Width | 70 mm |
| Height | 85 mm |
| Depth | 69 mm |
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