Relay Manuals & User Guides

User manuals, setup guides, troubleshooting help, and repair information for Relay products.

Tip: include the full model number printed on your Relay label for the best match.

Relay manuals

Latest posts, featured manuals, and retailer-linked manuals for this brand tag.

Shelly Mini Gen 4 Smart Relay Instruction Manual

June 21, 2025
Shelly Mini Gen 4 Smart Relay Wiring diagram Legend Device terminals SW: Switch input terminal O: Relay output terminal I: Relay input terminal L: Live (110-240 V~) terminal N: Neutral terminal Wires L: Live wire (110-240 V~) N: Neutral wire…

Schweitzer SEL-T401L Ultra High Speed Line Relay User Manual

June 19, 2025
Schweitzer SEL-T401L Ultra High Speed Line Relay Line Protection Solutions for Multiple IBR Interconnections With Unfavorable Conditions in an Incumbent Utility Infrastructure Keith Gaffney, Tu Nguyen, and Ram Viswanathan, Entergy Services, LLC  Jeremy Blair, Schweitzer Engineering Laboratories, Inc. Abstract— The…

SEL-851 Feeder Protection Relay Installation Guide

June 3, 2025
SEL-851 Feeder Protection Relay Product Information Specifications Product Name: SEL-851 Relay Enclosure Model: PLS851-02 Date Code: 20250501 Installation Steps Step 1. Install an SEL-2401 Satellite-Synchronized Clock at the position shown on the rear panel of the enclosure by using two…

Shelly 3404834 25A Ogemray Smart Relay User Guide

May 19, 2025
Shelly 3404834 25A Ogemray Smart Wiring diagram Fig. 1.110-240 V~ Powersupply Legend Device terminals  L1: Load circuit output terminal S1: Switch input terminal (controlling L1) L: Liveterminall (110-240 V~) N: Neutral terminal COM User and safety guide Ogemray25A Smart switch…

Danfoss 014G2479 230V Boiler Relay User Guide

April 18, 2025
Danfoss 014G2479 230V Boiler Relay Specifications Product Name: Danfoss AllyTM Boiler Relay Model Number: 014G2479 Power Supply: Mains 230V~ RF, V/F output Transmission Power: < 10 dBm Please, be aware that the installation should be done only by trained professionals,…