Suntree 3P Surge Protector 1000VDC 40KA | Type 2 DC SPD Solar PV

Name: Suntree 3P Surge Protector 1000VDC 40KA | Type 2 DC SPD Solar PV
SKU: 25258
Availability: InStock

Deliver uncompromising protection to your high-voltage photovoltaic installation with the Suntree 3P DC Surge Protective Device (SPD), purpose-built for large-scale solar energy systems operating at up to 1000V DC. With a formidable 40KA maximum discharge current and a robust 3-pole configuration, this industrial-grade surge arrester provides comprehensive protection against lightning strikes, switching transients, and voltage surges across all three DC conductors simultaneously.

Engineered for commercial, industrial, and utility-scale solar installations, the Suntree 3P 1000VDC 40KA SPD is the trusted choice of solar engineers, EPC contractors, and system integrators who demand the highest level of surge protection for high-value PV assets.

Key Features

Voltage Rating: 1000V DC — purpose-built for high-voltage commercial and utility solar PV strings
Maximum Discharge Current (Imax): 40KA for superior protection against high-energy surge events
Nominal Discharge Current (In): 20KA continuous surge handling capability
3-Pole (3P) Design: Simultaneous surge protection across positive, negative, and earth conductors
Type 2 SPD Compliance: Meets IEC 61643-31 for DC photovoltaic surge protection
DIN Rail Mounting: Fast, secure snap-on installation on standard 35mm DIN rails
Thermal Disconnect Protection: Built-in thermal fuse prevents overheating and eliminates fire risk
LED Status Indicator: Clear green/red visual display for instant health and fault monitoring
Low Voltage Protection Level (Up): ≤2.5kV to safeguard sensitive downstream inverters and equipment
Ultra-Fast Response Time: ≤25 nanoseconds — cuts off surges before they reach your equipment
Wide Operating Temperature: Reliable performance from -40°C to +80°C

Why Choose the Suntree 3P 1000VDC 40KA SPD?

Large-scale solar PV systems represent multi-million shilling investments — and high-voltage DC strings operating at 1000V are particularly vulnerable to catastrophic surge damage from direct and indirect lightning strikes, grid switching events, and electrostatic discharge. A single unprotected surge event can instantly destroy string inverters, combiner boxes, monitoring equipment, and DC cabling — resulting in costly downtime, insurance claims, and lost revenue.

The Suntree 3P DC Surge Protector is engineered to handle exactly these demands. Its 1000VDC maximum continuous operating voltage makes it perfectly matched for modern high-efficiency solar arrays using 60-cell, 72-cell, and 144-cell panels wired in long strings typical of commercial and utility installations.

The 3-pole design goes beyond standard 2-pole protection by simultaneously guarding the positive rail, negative rail, and earth conductor — closing every possible surge pathway and providing complete mode protection for the entire DC circuit. Combined with the 40KA discharge capacity, this SPD safely handles even the most powerful indirect lightning strike currents without failure.

Its DIN rail form factor allows seamless installation inside DC combiner boxes, string combiner units, and solar DC distribution boards — making it the ideal choice for both new solar projects and retrofit surge protection upgrades on existing installations.