Honeywell

Honeywell 51202902-400 Controller Memory Backup Device

SKU: 51202902-400 In Stock
Honeywell

Genuine Honeywell 51202902-400. Controller Memory Backup Device. Factory-tested, 48h burn-in. 12-month warranty. Ships within 24h.

Technical Specifications

51202902-400Memory Backup Device is a compact and reliable solution designed to protect critical program and configuration data of Honeywell C300 controllers. It ensures system continuity by preventing data loss during power outages or system malfunctions.
Dimensions2.95 x 1.77 x 0.47 inches (L x W x H)
Weight1.5 kg
Connector TypeUSB
ApprovalsCE, UL
Warranty12 months
Operating Temperature Range-40°C to +85°C (-40°F to +185°F)
Compact and Portable DesignLightweight and easy to transport, ideal for on-site use.
Reliable Data BackupProtects against data loss due to power interruptions or system errors.
Ease of UseSimple plug-and-play functionality for quick connection and operation.
CompatibilityFully supports Honeywell C300 controllers.
ManufacturerHoneywell
Model / SKU51202902-400
Request a Quote — 51202902-400

Ships within 24 hours  |  12-Month Warranty  |  Worldwide Delivery

Category: honeywell c300cpu main processorsallhoneywell

Honeywell 51202902-400 — What "Tested" Actually Means

The Honeywell 51202902-400 Controller Memory Backup Device is a controller memory backup device for Honeywell automation systems. In the industrial surplus market, the word "tested" gets stretched to mean almost anything. Some sellers define it as opening the box and looking at the module. Others define it as powering up and seeing an LED come on. We define it as something more rigorous: visual inspection for physical damage and tampering, power-up on a live Honeywell rack with correct backplane voltage, all channels exercised with calibrated signal sources where applicable, communication ports verified, and 48 hours of continuous operation at 55C ambient to catch the early-life failures that would otherwise happen on your production floor.

Dimensions: 2.95 x 1.77 x 0.47 inches (L x W x H); Weight: 1.5 kg; Connector Type: USB; Approvals: CE, UL. These are not generic specifications copied from a product brochure — they are actual measured values from our latest stocked batch. When you receive this Honeywell 51202902-400, you receive a module that has been through a real test process, not a checkbox exercise. A printed test report with serial number, test date, technician ID, and all measured values accompanies every shipment.

Industrial automation modules are designed for 10-20 year service lives in demanding environments, but all electronics eventually fail. The question is whether you have a tested replacement on hand when that happens. For critical applications where downtime is measured in thousands per hour, the cost of one spare module is negligible compared to the cost of one unplanned outage. Genuine Honeywell with full traceability. 12-month warranty. Ships within 24 hours from Shenzhen via DHL, FedEx, or UPS.

Compatible Parts — Same System

These modules share the same system family as the 51202902-400. Commonly ordered together for complete rack builds or spare parts kits.

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