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Four-pole Hager SFT440 group switch with a rated current of 40 A for switching between two power sources.
This modular switch allows switching between two different power sources (positions I-0-II) with a central OFF position. The device is designed for DIN rail mounting and occupies 4 modules. The switch is intended for use in industrial and commercial electrical distribution systems where reliable switching between different power sources is required.
With a top-mounted output contact and a rated current of 40 A, this switch is ideal for applications requiring a robust and reliable switching solution. The device is designed for operating voltage AC 400 V and features high mechanical and electrical durability.
Flexible connection
The switch is equipped with screw terminals for connecting conductors with a cross-section of 1.5–16 mm² for solid wires and 1.5–10 mm² for flexible wires. Offset terminals ensure easy access during installation.
Wide operating conditions
The device is designed to operate in a temperature range from -20 to +50 °C, allowing use in various environments. A storage temperature range of -40 to +80 °C ensures durability during transport and storage.
Energy efficiency
Total power loss at rated current is 8.4 W, corresponding to 2.1 W per pole. This value is important for switchboard design in terms of thermal losses and cooling.
BASIC SPECIFICATIONS
Type: group switch (I-0-II)
Number of poles: 4P (without neutral conductor)
Rated current: 40 A
Operating voltage AC: 400 V
Rated insulation voltage: 440 V
Rated impulse withstand voltage: 4,000 V
Frequency: 50–60 Hz
Connection: screw terminal (1.5–16 mm² solid wire, 1.5–10 mm² flexible wire)
Tightening torque: 1.8 Nm
Dimensions (W × H × D): 83 × 71 × 70 mm
Number of modules: 4
Protection level: IP20
Operating temperature: -20 to +50 °C
Mechanical life: 200,000 cycles
Electrical life: 25,000 cycles
| Brand | |
| Type specification : | Other |
| Manufacturer : | XTEND Solarmi |
| Technical specification | |
| Max. operating temperature (°C) : | 50 |
| Min. operating temperature (°C) : | -20 |
| Inputs and outputs | |
| Connector : | terminal |
| Power supply | |
| Frequency (Hz) : | 50 - 60 |
| Rated Voltage (V) : | 400 (AC) |
| Max. Input Current (A) : | 40 |
| Max. output current (A) : | 40 |
| Input Voltage (V) : | 400 (AC) |
| Output voltage (V) : | 400 (AC) |
| Warranty | |
| Warranty period EU (months) : | 26 |
| Warranty period CRN (months) : | 26 |
| Physical properties | |
| Dimensions : | 83 × 71 × 70 mm |
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