SDC Manuals & User Guides

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

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

SDC manuals

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

SDC 1982 Low to High Security and Traffic Control Instruction Manual

November 5, 2025

SDC 1982 Low to High Security and Traffic Control Product Information Specifications Electric Strikes Low-to-High Security & Traffic Control INTRODUCTION In 1982, SDC’s first electric strike design initiated the adoption of strikes by the door hardware industry. Then, we engineered…

Brand: SDC

SDC Z7500 Series Frame Actuator Controlled Mortise Locksets User Guide

October 19, 2025

SDC Z7500 Series Frame Actuator Controlled Mortise Locksets Product Specifications Models: Z75, ZR75, ZY75 Voltage Options: 24VAC, 24VDC, 115VAC Monitoring Signal Switches: Latch Status (LS), Latch & Locked Status (LLS) Product Usage Instructions Selecting the Right Model: To determine the…

Brand: SDC

SDC Push Second Adjustable Time Delay Installation Guide

May 23, 2025

SDC Push Second Adjustable Time Delay Product Usage Instructions Installation Connect the power supply to the designated terminals according to the fail-safe or fail-secure wiring diagram provided. Mount the device securely in the desired location following the installation guidelines. Adjustable…

Brand: SDC

SDC S6303FH Hitower Exit Devices User Guide

May 21, 2025

QUICKSTART GUIDE REPLACING A HITOWER® LOCK SDC HiTower® locks have been in service for over 40 years. Through that time, the lock series has gone through significant changes. In the past, SDC modified mortise lock chassis from an extensive list…

Brand: SDC

SDC 1190AIWD Fail Safe Concealed Mortise Bolt Lock Installation Guide

May 20, 2025

SDC 1190AIWD Fail Safe Concealed Mortise Bolt Lock OVERHEAD INSTALLATION HORIZONTAL a. Examine the top rail of the door for the most suitable location for the strike plate. Mark the door for the end of the strike closet to the…

Brand: SDC

SDC 1291AHDMR Concealed Mortise Bolt Lock Installation Guide

May 20, 2025

SDC 1291AHDMR Concealed Mortise Bolt Lock INSTALLATION INSTRUCTIONS 1291AHDMR (.865" BACKSET) CONCEALED MORTISE BOLT LOCK with MECHANCIAL RELEASE FAIL-SECURE (SINGLE CYLINDER PREP) ALUMINUM FRAME PREPARATION Once the Key Cylinder is installed. Secure the cylinder within the guided cylinder slot using…

Brand: SDC

SDC 2490AH Failsecure Extra Narrow Concealed Mortise Bolt Lock Installation Guide

May 20, 2025

SDC 2490AH Failsecure Extra Narrow Concealed Mortise Bolt Lock 2490AH FAILSECURE EXTRA NARROW CONCEALED MORTISE BOLT LOCK OVERHEAD INSTALLATION HORIZONTAL a. Examine the top rail of the door for the most suitable location for the strike plate. Mark the door…

Brand: SDC

SDC 2090AH Failsecure Heavy Duty Concealed Mortise Bolt Lock Installation Guide

May 20, 2025

SDC 2090AH Failsecure Heavy Duty Concealed Mortise Bolt Lock OVERHEAD INSTALLATION HORIZONTAL 1a. Examine the top rail of the door for the most suitable location for the strike. Mark the door for the end of the strike closest to the…

Brand: SDC

SDC 1091AI Fail Safe Concealed Mortise Bolt Lock Installation Guide

May 20, 2025

SDC 1091AI Fail Safe Concealed Mortise Bolt Lock OVERHEAD INSTALLATION HORIZONTAL 1a. Examine the top rail of the door for the most suitable location for the strike plate. Mark the door for the end of the strike closet to the…

Brand: SDC

SDC 1291AHWD Fail Secure Concealed Mortise Bolt Lock Installation Guide

May 20, 2025

SDC 1291AHWD Fail Secure Concealed Mortise Bolt Lock 1291AHWD FAIL-SECURE CONCEALED MORTISE BOLT LOCK OVERHEAD INSTALLATION HORIZONTAL a. Examine the top rail of the door for the most suitable location for the strike plate. Mark the door for the end…

Brand: SDC

SDC 528 Monitoring Switch Kit Installation Instructions for Sargent 20, 60 Series

Installation Guide • November 15, 2025

Installation instructions for the SDC 528 Monitoring Switch Kit, designed for Sargent 20 and 60 Series locks. Learn about its applications in remote latch status monitoring, access control REX, magnetic lock release, and mantrap logic.

Brand: SDC

SDC EntryCheck 920 Series Indoor/Outdoor Digital Keypads - Product Overview

datasheet • November 13, 2025

Detailed overview of SDC's EntryCheck 920 Series indoor/outdoor digital keypads, including models 920, 920P, 920PW, and 921P, featuring access control, proximity readers, Wiegand output, and vandal-resistant designs for secure entry points.

Brand: SDC

SDC LRCA1R CAL-ROYAL REX SWITCH KIT Installation Instructions

Installation Guide • November 11, 2025

Detailed installation instructions for the SDC LRCA1R CAL-ROYAL REX SWITCH KIT, compatible with 9800 & GLSCVR9800 Series. Includes wiring and mounting guidance.

Brand: SDC

SDC 474MU Touchless Sense Switch Installation Instructions

Installation Guide • November 1, 2025

Comprehensive installation guide for the SDC 474MU Touchless Sense Switch with Manual Override Button, covering features, specifications, and detailed wiring diagrams for access control systems.

Brand: SDC

SDC Hands Free Door Solutions: ADA Compliant Electrified Exit Device Application

Technical Specification • October 28, 2025

Overview of SDC's Hands Free Door Solutions, featuring ADA compliant electrified exit devices, low energy swing door operators, no-touch switches, ADA actuators, access control keypads, and commercial exit devices. Includes technical specifications and wiring diagrams for secure and accessible door automation.

Brand: SDC

SDC 1190AI Fail-Safe Heavy Duty Concealed Mortise Bolt Lock Installation Instructions

Installation Instructions • October 12, 2025

Comprehensive installation guide for the SDC 1190AI Fail-Safe Heavy Duty Concealed Mortise Bolt Lock, including wiring diagrams, troubleshooting, and dimensional references.

Brand: SDC

SDC 410/420 Series Push Switch Installation Instructions

Installation Guide • October 12, 2025

Installation guide for SDC 410/420 Series Push Switches, detailing electrical specifications, wiring diagrams, and product features for secure access control systems.

Brand: SDC

SDC 2490AH Failsecure Extra Narrow Concealed Mortise Bolt Lock Installation Instructions

Installation Guide • October 12, 2025

Comprehensive installation guide for the SDC 2490AH concealed mortise bolt lock, covering overhead and sidejamb mounting, wiring configurations with and without the PR-1000 power regulator, troubleshooting, and dimensional references.

Brand: SDC

SDC 1291AHWD Fail-Secure Concealed Mortise Bolt Lock Installation Instructions

Installation Instructions • October 12, 2025

This document provides detailed installation instructions for the SDC 1291AHWD Fail-Secure Concealed Mortise Bolt Lock, including horizontal and vertical mounting procedures, wiring diagrams, electrical specifications, and troubleshooting guidance. It also covers the use of the PR-1000 Power Regulator and ARS switch.

Brand: SDC

SDC 482A6RPH/484A6RPH HDPE ADA Push Plate Switch Installation Guide

Installation Guide • October 6, 2025

Installation instructions for the SDC 482A6RPH and 484A6RPH HDPE Round Push Plate Switches. These ADA-compliant door release buttons feature a blue face with white 'PUSH TO OPEN' text and are designed for easy installation with various electrical boxes.

Brand: SDC

SDC HiTower Lock Replacement Quickstart Guide

Quickstart Guide • October 6, 2025

This guide provides instructions for replacing SDC HiTower mortise locks and installing SDC HiTower frame actuator controlled exit devices. It covers model selection based on physical characteristics, voltage, and function, and details the ordering process for both locksets and exit devices.

Brand: SDC

SDC 520 Monitoring Switch Kit Installation Instructions for Corbin Russwin ED3000 Series

installation guide • October 6, 2025

Detailed installation instructions for the SDC 520 Monitoring Switch Kit, designed for Corbin Russwin ED3000 Series locks. Includes wiring specifications and application details for access control and security monitoring.

Brand: SDC

SDC CB402-B Emergency Door Release and Bathroom Control Instruction Manual

CB402-B • December 12, 2025 • Amazon

Comprehensive instruction manual for the SDC CB402-B Communicating Bathroom Control and Emergency Access Switch, including setup, operation, maintenance, and specifications.

Brand: SDC

SDC 920P Indoor/Outdoor Entrycheck User Manual

920P • September 12, 2025 • Amazon

Comprehensive user manual for the SDC 920P Indoor/Outdoor Entrycheck, Prox and Keypad Reader, covering setup, operation, maintenance, troubleshooting, and specifications.

Brand: SDC

SDC 1511 Series EMLock Single Modular Electromagnetic Door Lock User Manual

1511V • August 22, 2025 • Amazon

Instruction manual for the SDC 1511 Series EMLock Single Modular Electromagnetic Door Lock, covering setup, operation, maintenance, troubleshooting, and specifications.

Brand: SDC

SDC CB401-AU Communicating Bath Push Switch User Manual

CB401-AU • July 21, 2025 • Amazon

User manual for the SDC CB401-AU Communicating Bath Push Switch, including setup, operation, maintenance, troubleshooting, and specifications.

Brand: SDC