
Gefran – GTS‑25/48‑D‑0 – 25 A / 480 VAC Solid‑State Relay, 6–32 VDC Input
The Gefran GTS‑25/48‑D‑0 is a single-phase solid-state relay (SSR) designed for heavy-duty industrial loads. It offers zero-cross switching, integrated heat sink, opto-isolated DC control input, and LED status indicator—perfect for applications like heating, motor control, packaging, or extrusion machinery.
Key Features:
Model & Part Number: GTS‑25/48‑D‑0 (also GTS‑25/480‑D‑0 / F000121)
Rated Load Current: 25 A AC
Rated Load Voltage: 480 VAC (max 530 VAC range)
Control Input: 6–32 VDC logic, <10 mA @ 32 VDC
Switching Mode: Zero-voltage turn-on to minimize EM interference
Isolation: Opto-isolated input with 4 kV isolation between control and load
Protection: MOV surge protection, integrated SCR thermal protection (with indicator LED)
Mounting: DIN rail or panel mount, includes heat sink and protective cover
Operating Temp: –40 °C to +80 °C, IP20 protection