Brand: HID Mercury · SKU: MR52-S3B · MPN: MR52-S3B · Category: Components

HID Mercury MR52-S3B Series 3 Dual Reader Interface Module provides reliable reader interface functionality for compatible access control system deployments.
| Inputs | 8 General Purpose (programmable circuit type), 2 Dedicated (Tamper and Power Monitor) |
|---|---|
| Reader Ports | 2 Ports (Supports up to 4 readers with OSDP entry/exit) |
| Output Relays | 6 Form-C Relays (5A @ 30VDC NO, 3A @ 30VDC NC) |
| Primary Power | 12-24 VDC +/- 10%, 550mA maximum |
| Card/Keypad Data | OSDP, Clock/Data, Data-1/Data-0, RS-485, or F/2F |
| Host Communication | RS-485, 2-wire, up to 4,000 feet |
| Standards Compliance | UL 294, FCC Part 15 Class A, CE, RoHS, EU REACH |
| Operating Temperature | 0° to 70° C |
| Warranty | 3-Year Warranty |
| Weight | 11 oz (312 g) |
| Dimensions | 6.0 x 8.0 x 1.0 inches (152 x 203 x 25 mm) |
HID Mercury MR52-S3B Series 3 Dual Reader Interface Module is designed to provide reader interface functionality within compatible access control systems. It supports the connection and management of reader devices as part of an integrated security infrastructure. The MR52-S3B is suitable for access control installations requiring dependable interface hardware and can be integrated into compatible Mercury access control environments for centralized security management.
Yes, this HID Mercury MR52-S3B Series 3 Dual Reader Interface Module (MR52-S3B) is 100% genuine HID Mercury hardware. All our products are verified by certified technicians and come with clean serial numbers ready for service contract registration.
This HID Mercury MR52-S3B Series 3 Dual Reader Interface Module includes our standard 3-Year Warranty covering all manufacturing defects. We also offer advanced replacement options for minimal downtime.
We offer free ground shipping which typically takes 3-5 business days. Expedited shipping options are available at checkout for faster delivery.
Yes, we have a 30-day return policy on all products. Restocking fees may apply for opened items. Please see our return policy for complete details.
Please check the specifications tab for detailed compatibility information. Our technical team is available to assist with compatibility questions for the MR52-S3B.