SDC UR Series Universal Microp...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$129.00
$82.81
SDC SDC UR Series - Universal Microprocessor-Based Controllers SDC-UR

SDC UR Series Universal Microprocessor-Based Door Controllers with Multi-Relay Configuration

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Model: UR-1

In Stock (leaves warehouse same day if ordered before 3pm ET)

$129.00
$82.81
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SDC UR Series Universal Microprocessor-Based Door Controllers with Multi-Relay Configuration

Award-Winning Microprocessor-Based Door Control Solution

The SDC UR Series Universal Microprocessor-Based Door Controllers deliver flexible, field-programmable control for single or multi-door applications with 12/24VDC operation. Available in three models (UR-1 with two relays, UR2-4 with four relays, and UR4-8 with eight relays), these controllers feature selectable relay operating modes and programmable system logic for lock control, monitoring, and communication. Trusted in thousands of installations since 1998, the UR series provides centralized wiring capabilities with optically isolated dry inputs and auto-sensing dual voltage operation.

Professional Features & Benefits

  • Multi-Model Configuration: Available as UR-1 (two relays), UR2-4 (four relays), and UR4-8 (eight relays) to accommodate various application requirements from single door to complex multi-door systems.
  • Flexible Power Operation: Auto-sensing dual voltage 12/24VDC operation provides compatibility with various power supply configurations and existing systems.
  • Advanced System Logic: Microprocessor-based system logic with programmable system and station modes supports complex applications including airlock, interlock, mantrap, and shared bathroom configurations.
  • Versatile Relay Configuration: Individual dip switch selectable relay operating modes with choice of dry contact or voltage (wet) output, configurable to work independently or in tandem with adjacent relays.
  • Centralized Wiring Design: Consolidates wiring for all locks, access control, monitoring contacts, and peripheral equipment to reduce installation complexity and troubleshooting time.
  • Proven Reliability: Award-winning design trusted in thousands of installations since 1998 for consistent performance in demanding commercial applications.
  • Visual Status Monitoring: Built-in LED status indicators provide real-time system feedback for operational verification and troubleshooting.
  • Optically Isolated Inputs: Dry inputs with optical isolation protect against electrical interference and ensure reliable signal processing.

Technical Specifications

  • Commercial/Residential: Commercial
  • Department: Door Hardware
  • Electronic: Yes
  • PDF:SDC Full Catalog: https://zensupply.com/content/pdf/lcn/CondensedHardwareBrochure
  • Product Category: Electronic Access Controls
  • Product Group: Electronic Access Controls
  • Product Model: UR-1, UR2-4, UR4-8
  • Product Subgroup: Controllers, Power Supplies and Transformers
  • Product Type: Controllers
  • Product Voltage: 12/24VDC
  • Series: UR Series
  • Subcategory: Door Controllers

Professional Applications

  • Commercial Building Access Control Systems
  • Multi-Door Security Installations
  • Healthcare Facility Access Management
  • Educational Institution Security Systems
  • Industrial Facility Entry Control
  • Airlock and Mantrap Applications
  • Shared Facility Access Control

Why Choose SDC Quality?

SDC UR Series controllers deliver professional-grade reliability with microprocessor-based system logic and award-winning design trusted in thousands of installations since 1998. The flexible, field-programmable architecture with auto-sensing dual voltage operation and centralized wiring capabilities reduces installation complexity while providing the versatility needed for demanding commercial access control applications.

Manufacturer Resources

SDC Full Catalog

Product Specs

Subcategory:
Door Controllers
Series:
UR Series
Product Group:
Electronic Access Controls
Product Subgroup:
Controllers, Power Supplies and Transformers
Product Type:
Controllers
Commercial/Residential:
Commercial
Electronic:
Yes
Product Model:
UR-1, UR2-4, UR4-8
Product Voltage:
12/24VDC
Product Category:
Electronic Access Controls
Department:
Door Hardware

SDC UR-1 – Frequently Asked Questions

1) What applications are SDC UR Series controllers designed for?
UR Series controllers manage access control systems for commercial doors. They handle electromagnetic locks, electric strikes, and door position switches. Common installations include office buildings, schools, and secured facilities.
2) Are these controllers compatible with existing access control systems?
UR Series controllers integrate with most access control panels through relay outputs and monitoring inputs. Check your system specifications for voltage compatibility. Most standard 12V and 24V systems work with proper wiring configuration.
3) How do I program the microprocessor settings?
Programming uses DIP switches and jumper settings on the controller board. Set door unlock time, lock delay, and monitoring functions per manufacturer instructions. Keep programming documentation with the installation for future reference.
4) What enclosure finish options are available?
SDC controllers typically come in powder-coated steel enclosures. Standard finish is usually gray or black. Verify specific finish options with manufacturer specifications for your model number.
5) What power requirements do these controllers have?
Most UR Series controllers operate on 12V or 24V DC power. Check amperage requirements based on connected devices. Use appropriately sized power supplies with battery backup for continuous operation during power outages.
6) Do these controllers meet building code requirements?
UR Series controllers support fire alarm integration and emergency egress functions required by most building codes. Verify local code compliance with your AHJ. Proper installation includes fire alarm override and mechanical egress capabilities.
7) What accessories work with UR Series controllers?
Compatible accessories include door position switches, request-to-exit sensors, and LED status indicators. SDC offers matching power supplies and surge protection devices. Check our SDC product line for compatible components.
8) How do I mount the controller enclosure?
Mount controllers in secure locations above drop ceilings or in electrical closets. Use appropriate fasteners for wall material. Maintain clearance for wire access and heat dissipation. Install in dry locations only.
9) How often do these controllers need maintenance?
Check controller operation monthly by testing all connected devices. Inspect wiring connections annually. Replace backup batteries every 3-5 years. Clean enclosure and check for loose connections during routine maintenance visits.
10) Are there similar controllers from other manufacturers?
Comparable universal controllers are available from Securitron and HES. Each manufacturer has different programming methods and feature sets. SDC controllers are known for reliable operation and straightforward installation procedures.
11) Can these controllers work in outdoor applications?
Standard UR Series controllers are designed for indoor use only. For outdoor installations, use weatherproof enclosures or select controllers specifically rated for exterior conditions. Protect all wiring connections from moisture.
12) What are the typical dimensions for installation planning?
Controller enclosures typically measure around 8" x 6" x 3" but verify exact dimensions from manufacturer specifications. Plan adequate space for wire routing and future access. Consider battery backup space requirements when selecting installation location.
How fast can I get the SDC UR-1 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the SDC UR-1 come with a warranty?
Absolutely. The SDC UR-1 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the SDC UR-1?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the SDC UR-1 from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support, and rewards on every order. Our team is always ready to help you choose the right product for your project.
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