Door Controllers
Door Control Relay Modules ensure compatibility of access hardware components and simplify system installation and troubleshooting. Different modules may be specified for one power supply.
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UR SeriesUniversal Microprocessor Control Relays
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CR4Four Station Control Relays
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ACM-1Six Station Input Control Relays
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EMCExit Device Sequencer Relays
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FB-4Multiple Fused Output Relays
Ever wish you could save time and money when programming multidoor projects? Troubleshooting product conflicts frustrating you? Are system maintenance headaches eating into your profit? SDC’s low cost comprehensive services are available when you purchase SDC locks, controller and power supply for door opening applications from your distributor.
System Design Analysis Services