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SG21PA300R Lovato SURGE PROTECTION DEVICE TYPE 2 1P+R.C.
Lovato SG21PA300R Type 2 surge protection device with 1 pole configuration, 300 V AC operating voltage, 20 kA discharge current and remote signalling output.
£46.44
Why Choose the Lovato SG21PA300R Surge Protection Device?
The Lovato SG21PA300R is a reliable Type 2 surge protection device (SPD) designed to protect electrical equipment from transient overvoltages on AC power networks. Part of the Lovato SG2 surge protection device series, it provides effective surge energy limitation for low-voltage installations where equipment protection and system reliability are essential.
This plug-in cartridge surge protection device is designed for installation in distribution boards and electrical panels, helping protect connected equipment from switching surges and transient voltage disturbances. The integrated remote signalling contact allows connection to monitoring systems for improved maintenance visibility.
With a 1-pole configuration, a maximum continuous operating voltage of 300 V AC, a rated discharge current of 20 kA and a remote contact output, the SG21PA300R is suitable for AC power line protection in industrial and commercial electrical installations.
Key Advantages
- Reliable Type 2 surge protection device for AC power systems.
- 1P configuration for compact electrical installations.
- 20 kA rated discharge current for effective surge energy handling.
- 300 V AC maximum continuous operating voltage.
- Plug-in cartridge design simplifies replacement and maintenance.
- Remote signalling output enables condition monitoring.
Key Features
- Lovato SG2 surge protection device series.
- Type 2 SPD.
- 1P pole configuration.
- Rated discharge current In (8/20 µs): 20 kA.
- Maximum continuous voltage Uc: 300 V AC.
- Maximum discharge current Imax: 50 kA.
- Voltage protection level Up: <1.5 kV.
- Plug-in cartridge construction with remote status indication.
Reliable Protection Against Electrical Surges
Surge protection devices such as the Lovato SG21PA300R protect electrical systems by limiting transient overvoltages and diverting excess surge energy away from sensitive equipment. This helps reduce the risk of damage caused by lightning effects, switching operations and other electrical disturbances.
The SG2 series provides engineers and installers with compact and maintainable surge protection solutions for industrial panels, commercial distribution systems and low-voltage electrical networks.
Typical Applications
- Industrial electrical distribution boards.
- Commercial power distribution systems.
- Control panels and automation cabinets.
- Protection of sensitive electrical equipment.
- AC power line surge protection systems.
- Low-voltage installations requiring Type 2 SPD protection.
Technical Specifications
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| Device Type | Surge protection device | |
|---|---|---|
| SPD Type | Type 2 | |
| Remote Signal | Yes | |
| HS Code | 85365080 | |
| Manufacturer | Lovato | |
| Series | SG2 Surge Protection Devices | |
| Model | SG21PA300R | |
| Product type | Surge protection device (SPD) | |
| SPD Type | Type 2 | |
| Application | AC power lines | |
| Number of poles | 1P | |
| Rated discharge current In | 20 kA (8/20 µs) | |
| Maximum discharge current Imax | 50 kA (8/20 µs) | |
| Maximum continuous operating voltage Uc | 300 V AC | |
| Voltage protection level Up | <1.5 kV | |
| Remote signalling output | Yes | |
| Mounting type | 35 mm DIN rail mounting | |
| Protection rating | IP20 | |
| Operating temperature | -40 to +85 °C | |
| Standards | IEC/EN 61643-11 |
Frequently Asked Questions
What is the Lovato SG21PA300R used for?
The Lovato SG21PA300R is a Type 2 surge protection device used to protect electrical equipment from transient overvoltages on AC power lines.
What type of surge protection device is the SG21PA300R?
The device is a Type 2 SPD designed for protection within low-voltage electrical distribution systems.
What is the discharge current rating of this SPD?
The SG21PA300R has a rated discharge current of 20 kA using the 8/20 µs waveform.
What voltage is the SG21PA300R rated for?
The device has a maximum continuous operating voltage of 300 V AC.
Does the SG21PA300R provide remote indication?
Yes, the device includes a remote signalling output for connection to monitoring systems.
Trusted by Electrical Installers Worldwide
Lovato surge protection devices are trusted by electrical engineers and installers for reliable transient voltage protection, efficient maintenance and improved resilience of modern electrical systems.
