Lorentz PV Disconnect Protection 440-40-1 IP54 40A 1 string

Product Description

The Lorentz PV Disconnect 440-40-1 is a photovoltaic disconnect box designed to safely manage a single solar string. It incorporates a 40 A DC isolator and supports up to 440 VDC, making it ideal for solar pumping installations with a single string of panels. Compatible with Lorentz systems from PS150 to PS2-4000, it also allows integration of surge protection via SPD (optional), ensuring a compact, robust, and professional solution.

Main Features

• 1 string with a maximum current of 40 A
• Maximum voltage: 440 VDC
• Internal DC isolator included in the box
• IP54 protection rating for protected outdoor use
• Design compatible with SPD modules (MidNite Solar)
• Weight: 1.4 kg, wall mounting with PG and M16 cable glands

Advantages or Benefits

• Safe disconnection of the string for maintenance or emergencies
• Facilitates regulatory compliance in solar installations
• Compact and easy to install in any protected environment
• Allows integration of lightning protection with optional SPD
• Compatible with all Lorentz PS pumping systems

Purpose or Applications

This box is intended for solar systems with a single string of panels, typical in small-scale pumping installations, rural self-consumption, wells with low demand, or configurations with single-input inverters. Ideal for projects requiring safety, simplicity, and electrical compliance.

Technical Specifications

Compatibilities

This product is compatible with Lorentz systems: PS150, PS200, PS600, PS1200, PS1800, PS2-4000.

Surge Protection (optional)

• MNSPD-115 – for PS150 / PS200 (Ref. 19-002120)
• MNSPD-300 – for PS600 to PS1800 (Ref. 19-002130)
• MNSPD-600 – for PS2-4000 (Ref. 19-002140)

Lorentz PV Disconnect 440-40-1 is a compact and professional solution for safely disconnecting a solar string, with the option of advanced surge protection.