Product Overview

The Suntree SUP1-40 Surge Protective Device is an electrical protection component designed to protect circuits and connected equipment from voltage surges, power spikes, and lightning-related electrical disturbances. It is commonly used in distribution boards, solar power systems, residential wiring systems, and commercial electrical installations to reduce the risk of damage caused by sudden overvoltage.

Reliable Surge Protection

Power surges can occur due to lightning strikes, switching operations, grid fluctuations, or electrical faults. This surge protective device helps divert excess voltage away from sensitive equipment, protecting appliances, inverters, solar components, and electrical systems from potential damage.

Compact DIN-Rail Design

The SUP1-40 is built in a compact modular design, making it suitable for installation inside electrical distribution boards and consumer units. Its DIN-rail mounting style allows for neat, secure, and organized installation alongside other electrical protection devices.

Key Features

40kA Maximum Discharge Current

The device is designed to handle surge currents of up to 40kA, helping protect electrical systems from high-energy voltage spikes.

20kA Nominal Discharge Current

With a 20kA nominal discharge current, it provides dependable protection for standard electrical and solar installations.

420V Voltage Rating

The unit is rated at Uc 420V, making it suitable for relevant AC electrical protection applications.

Low Voltage Protection Level

With a protection level of Up ≤ 1.8kV, it helps reduce dangerous voltage spikes before they reach connected equipment.

Clear Status Indicator

The green indicator window allows users to quickly check the working status of the surge protective device.

L/N Protection Design

The device includes clearly marked L and N terminals for proper wiring and installation.

Suitable Applications

The Suntree SUP1-40 Surge Protective Device is suitable for:

• Electrical distribution boards
• Residential electrical installations
• Commercial electrical systems
• Solar power systems
• Inverter protection setups
• Consumer units
• Power control panels
• Lighting and appliance protection
• General surge and lightning protection

Benefits

Protects Electrical Equipment

It helps reduce the risk of damage to appliances, solar equipment, inverters, and electrical devices caused by power surges.

Improves System Safety

By diverting excess voltage, the device supports safer operation of electrical systems during surge events.

Ideal for Solar and Electrical Installations

It can be used in solar PV systems and standard electrical distribution boards where surge protection is required.

Easy to Monitor

The visible indicator window makes it easier to confirm whether the device is still in working condition.

Simple Installation

Its modular design allows electricians to install it neatly in compatible electrical panels and distribution boards.

Why Choose the Suntree SUP1-40 Surge Protective Device?

The Suntree SUP1-40 Surge Protective Device is a practical and dependable solution for protecting electrical systems from unexpected voltage surges. Whether installed in a home, business, solar system, or distribution board, it helps safeguard connected equipment, reduce repair costs, and improve the reliability of the entire electrical setup.

Product Highlights

Product Name: Suntree SUP1-40 Surge Protective Device
Product Type: Surge Protection Device
Nominal Discharge Current: 20kA
Maximum Discharge Current: 40kA
Voltage Rating: Uc 420V
Protection Level: Up ≤ 1.8kV
Installation Type: DIN-rail mounting
Best For: Distribution boards, solar systems, inverters, homes, and commercial electrical installations