The document provides information about SAMSON brand products, including the SAMSON 3278 and SAMSON 3277 series. The products comply with the VDI/VDE 3845 standard and have NAMUR interfaces, making them suitable for industrial automation applications. The document also includes technical specifications and installation requirements for the products.
This guide describes the installation and operation of the 3776 type limit switch. It is intended for experienced personnel who have received special training for handling equipment in hazardous areas and covers safety precautions, required tools, and the necessary clearances.
The document provides step‑by‑step procedures for mounting the switch on various Samson actuators (3278 rotating, 3277 and 3277‑5 linear), details for air‑supply and electrical connections, wiring diagrams, contact information, and certification data. This manual is written in Chinese.
| Input voltage range | 25 V – 32 V |
|---|---|
| Maximum input current at 25 V | 150 mA |
| Minimum clearance above box cover | 300 mm |
Only experienced personnel who have received special training and are authorized to work in hazardous areas may install, start, and operate the device.
A minimum free space of 300 mm must be kept above the box cover.