This document introduces an appliance coupler from Schurter, which is suitable for appliances with protection class I. The coupler has a rated current of 16A / 250VAC and is UL/CSA certified for 20A / 250VAC. It features a panel mount, snap-in design from the front side, and can be connected with solder terminals or quick connect terminals. The coupler has a front side protection class of IP30 and is suitable for operation in temperatures ranging from -25°C to 70°C.
The Schurter 4793 is a panel‑mount appliance coupler designed for front‑side snap‑in installation. It offers both solder and quick‑connect terminal options and complies with IEC 60529 (IP30) and IEC 61140 protection class requirements.
Technical data include IEC and UL/CSA ratings, dielectric strength over 2 kV AC, an operating temperature range from –25 °C to 70 °C, and a range of panel thicknesses (1 mm to 3 mm). The housing is made of black thermoplastic (UL 94V‑0) and dimensions are approximately 38 mm × 28 mm × 21 mm.
| IEC rating | 16 A / 250 V, 50 Hz |
|---|---|
| UL/CSA rating | 20 A / 250 V, 60 Hz |
| Dielectric strength | > 2 kV AC between L‑N (1 min, 50 Hz) |
| Operating temperature | -25 °C to 70 °C |
| Degree of protection | IP30 (front side) |
| Protection class | IEC 61140 |
| Panel thickness options | 1 / 1.2 / 1.5 / 2 / 2.5 / 3 mm |
| Housing material | Thermoplastic, black, UL 94V‑0 |
The device can operate from –25 °C up to 70 °C.
It provides more than 2 kV AC between line and neutral for at least one minute at 50 Hz.