Fire protection switch – ONCCY – ERS40-10-MC4 – 5 strings
Gross
Product details
ERS40-10-MC4 Safety disconnect switch for PV installations
The ERS40-10-MC4 safety disconnect switch is designed for photovoltaic installations, allowing safe disconnection of DC circuits. The device operates at voltages from 300 to 1500 V DC and consumes just 1 W when energized, making it an energy-efficient solution.
Main features of the ERS40-10-MC4:
- PV circuit voltage: 300–1500 V DC
- PV circuit current: 9 + 55 A DC
- Control voltage: 100–270 V AC, nominal 220–240 V / 50 Hz
- Energy backup from capacitors and the switch’s motor drive
- High ingress protection rating: IP65
- Operating temperature range: -20°C to +50°C
Who is this a good choice for?
The ERS40-10-MC4 disconnect is an ideal choice for installers and owners of photovoltaic systems who need safe and automatic DC circuit disconnection. Its high IP65 protection rating makes it suitable for demanding environments, and the wide operating temperature range provides reliable performance year-round.
| Parameter | Value |
|---|---|
| Dimensions (mm) | 389 mm x 203 mm x 88 mm |
| Model | ERS40-10-MC4 |
| Type | Safety disconnector for PV installations |
| PV circuit voltage (V DC) | 300–1500 V DC |
| Index | 743413 |
| PV circuit current (A DC) | 95 A DC |
| Control voltage (V AC) | 100–270 V AC, rated 220–240 V/50 Hz |
| Power consumption when energized (W) | 1 W |
| Maximum temperature at which disconnection occurs (°C) | 70°C |
| Storage temperature range (°C) | -40°C to 85°C |
| Warranty (years) | 5 |
| Features | Capacitor energy backup, Motor-driven switch actuator, Membrane valve in the enclosure, Actuating element compliant with IEC 60947-1&3 |
| Benefits | Safe disconnection of DC circuits, Automatic operation with AC mains control, High protection rating IP65 |
| Operating temperature range (°C) | -20°C to 50°C |
| Control contact FB1, FB2 (V/mA) | Max 60 V, 400 mA |
| Connection | Cable 3×0.75 mm², length 1 m |
| Net weight (kg) | 2.25 kg |

