SDC 634 Series 4 Amp Regulated...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$784.00
$510.14
SDC SDC 634 Series - 4 Amp Regulated & Filtered Low Voltage Power Supply SDC-634

SDC 634 Series 4 Amp Regulated & Filtered Low Voltage Power Supply with Dual Voltage Selection

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Model: 634RF
$784.00
$510.14

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

$784.00
$510.14
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SDC 634 Series 4 Amp Regulated & Filtered Low Voltage Power Supply with Dual Voltage Selection

Professional Access Control Power Solution

The SDC 634 Series power supply delivers regulated and filtered 4 amp DC power specifically engineered for electric locks and access control systems. This hybrid design combines switching power supply efficiency with linear power supply inductive load handling capability, featuring field selectable dual voltage operation and Class 2 output rating. Built to address the unique power requirements of access control systems, this unit provides steady, clean filtered low-voltage DC current with comprehensive surge protection.

Professional Features & Benefits

  • High Current Capacity: 4 amp regulated output provides ample power for multi-door applications and inductive loads including electric locks and access control devices.
  • Hybrid Power Design: Combines switching power supply efficiency with linear power supply inductive load handling capability for optimal performance with access control hardware.
  • Field Selectable Dual Voltage: Configurable 12/24 VDC output allows adaptation to various system voltage requirements without separate models.
  • Regulated and Filtered Output: Clean DC power with filtering and voltage regulation protects system components and ensures longevity of connected devices.
  • Fire/Emergency Release Input: Integrated fire alarm interface provides automatic emergency unlock capability for life safety compliance.
  • Isolated Battery Charging Circuit: Built-in battery backup charging with low battery disconnect protects backup power systems.
  • Comprehensive Surge Protection: Input and output surge suppression protects printed circuit boards and connected devices from power transients and voltage spikes.
  • Professional Certifications: UL 294 Access Control System Units, UL 603 Power Supplies for Burglar-Alarm Systems, and ULC-S318 certified for commercial applications.

Technical Specifications

  • Commercial/Residential: Commercial
  • Current: 4A
  • Department: Door Hardware
  • Electronic: Yes
  • Product Category: Electronic Access Controls
  • Product Group: Electronic Access Controls
  • Product Model: 634RF
  • Product Subgroup: Controllers, Power Supplies and Transformers
  • Product Type: Power Supplies
  • Product Voltage: 120V
  • Series: 634 Series
  • Subcategory: Power Supply

Professional Applications

  • Commercial Building Security Systems
  • Multi-Door Access Control Installations
  • Healthcare Facility Access Control
  • Educational Institution Safety Systems
  • Industrial Facility Monitoring
  • Government and Municipal Buildings
  • Fire and Life Safety System Integration

Why Choose SDC Quality?

SDC 634 Series power supplies feature heavy-duty circuitry specifically designed for access control applications with UL 294, UL 603, and ULC-S318 certifications. The hybrid design addresses the unique power requirements that cause 75-85% of access control operating problems, delivering regulated and filtered power with comprehensive surge protection. Engineered for demanding commercial applications where reliable power delivery is essential for security system performance.

Manufacturer Resources

SDC Full Catalog

Product Specs

Subcategory:
Power Supply
Series:
634 Series
Product Group:
Electronic Access Controls
Product Subgroup:
Controllers, Power Supplies and Transformers
Commercial/Residential:
Commercial
Product Type:
Power Supplies
Electronic:
Yes
Current:
4A
Product Model:
634RF
Product Voltage:
120V
Product Category:
Electronic Access Controls
Department:
Door Hardware

SDC 634RF – Frequently Asked Questions

How fast can I get the SDC 634RF 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 634RF come with a warranty?
Absolutely. The SDC 634RF 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 634RF?
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 634RF 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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