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The GE Multilin 345 Transformer Protection Relay – 345-L-P0-G0-H-E-M-N-N-3E-D-N is a state-of-the-art, microprocessor‑based protection device designed to provide comprehensive safeguarding and monitoring for power transformers used in substations, utilities, and industrial power distribution systems. Engineered by GE Multilin, this relay combines advanced protection algorithms with flexible configuration options to ensure secure, reliable operation, fault detection, and longevity of transformer assets. Whether applied in utility grids, industrial plants, or critical infrastructure, the 345‑L‑P0‑G0‑H‑E‑M‑N‑N‑3E‑D‑N relay ensures robust protection, real‑time diagnostics, and easy integration into modern automation and SCADA environments.
Key Features
Multi‑function protection including differential protection, overcurrent protection, earth‑fault protection, thermal overload monitoring, and voltage/frequency supervision — offering full-spectrum transformer safeguarding
Advanced fault detection and diagnostic capabilities for rapid identification of internal faults, external disturbances, overloading, and abnormal operating conditions
Configurable protection settings and support for various transformer configurations (delta/wye, single/three-phase, tap‑changer control, etc.) for broad application versatility
Integrated communication support for SCADA/DCS integration, remote monitoring, and automation system interfacing — facilitating centralized control and monitoring
Rugged, industrial‑grade construction with long-term reliability, suitable for continuous operation in demanding electrical environments
Specifications
Device Name: GE Multilin 345 Transformer Protection Relay
Configuration Identifier: 345-L-P0-G0-H-E-M-N-N-3E-D-N (custom configuration of the 345 series)
Relay Type: Microprocessor-based transformer protection relay with multi-function capabilities
Protection Functions: Transformer differential protection, over‑current protection, earth‑fault protection, thermal overload protection, voltage/frequency monitoring, tap‑changer control support (depending on configuration)
Compatible Systems: Power transformers (oil‑filled, dry‑type), distribution and transmission transformers, utility substations, industrial power networks
Communication: Digital communication protocols available for SCADA, substation automation, and remote monitoring setups
Construction: Industrial‑rated housing designed for electrical switchgear panels and protection control cabinets
Application Areas: Electric utilities, power generation plants, large industrial facilities, substations, industrial power distribution networks, and transformer protection systems
The GE Multilin 345 Transformer Protection Relay 345-L-P0-G0-H-E-M-N-N-3E-D-N delivers dependable, comprehensive transformer protection, advanced diagnostics, and seamless integration into modern power systems — making it an essential component for safeguarding critical power infrastructure. Backed by GE’s global leadership in protection and control technology, this relay ensures enhanced reliability, safety, and operational continuity. For ordering inquiries, configuration support, or system integration guidance, Ram Automations is available — contact us at info@ramautomations.com.
Returns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
