Solid State Relay - 400 Amp

The ZGT-400 DD Solid State Relay is an industrial-grade, high-power switching solution designed for heavy-duty AC load control. With an impressive 400A current rating and advanced thermal management, this SSR delivers reliable, spark-free operation for demanding automation, heating, and power distribution applications where traditional relays would fail.

Key Specifications:

• Model: ZGT-400 DD

• Type: Single-phase AC solid-state relay

• Load Voltage Range: 48-660V AC

• Control Voltage: 4-32V DC (TTL/CMOS compatible)

• Rated Current: 400A (with proper heatsinking)

• On-State Voltage Drop: ≤1.6V

• Leakage Current: ≤5mA

• Switching Time: ≤10ms (zero-crossing type)

• Isolation Voltage: 4000V AC (input-output)

• Mounting: Bolt-on with integrated heatsink base

• Ambient Temperature Range: -30°C to +80°C

• Housing Material: Aluminum alloy with ceramic isolation

Key Features:

• Massive Current Handling - 400A continuous rating for extreme loads

• Zero-Cross Technology - Eliminates inrush current and electrical noise

• Military-Grade Construction - Rugged aluminum housing with superior heat dissipation

• Opto-Isolated Trigger - 4000V isolation for complete electrical separation

• Status LED Indicator - Instant visual operation feedback

• Snubber Circuit Protected - Built-in protection against voltage spikes

• Screw Terminal Connections - Heavy-duty terminals for secure high-current wiring

Ideal For:

• Industrial furnace and kiln temperature control

• High-power motor starters and soft-start systems

• Power transformer tap changing

• Mining equipment and heavy machinery

• Utility-scale renewable energy systems

• Plasma cutting and welding equipment