Low stock: 9 left
GE 345-E-P5-G5-H-E-S-N-N-SN-D-N Transformer Protection Relay
GE 345-E-P5-G5-H-E-S-N-N-SN-D-N Transformer Protection Relay
Brand/Manufacturer: General Electric
Order Number: 345-E-P5-G5-H-E-S-N-N-SN-D-N
Type: Protection Relays
Country of Origin: USA
Condition: Original Brand
Lead Time: Available in stock
Payment Term: 100% TT In Advance
-
In-stock & ready for fast delivery. Shipping policy.
-
We’re here for you 24/7 ,Contact Us.
-
Only genuine, factory-sealed products，Learn More.
-
Refund Supported Within 30 Days, help.
-
All purchases include a 1-year warranty, help.
Trusted Global Payment Methods
Description
The GE 345-E-P5-G5-H-E-S-N-N-SN-D-N, also cataloged as the 345 Transformer Protection Relay, operates as a dedicated hardware component for primary current differential protection and feeder management within electrical substation automation networks.
Suffix Breakdown & Model Matrix
| Code Segment | Option Description |
|---|---|
| 345 | Base model (345 Transformer Protection System) |
| E | English language display option |
| P5 | 5A Phase current input |
| G5 | 5A Ground current input |
| H | High-voltage power supply (110-250 VDC / 110-230 VAC) |
| E | Standard Ethernet / RS485 communication baseline |
| S | Standard I/O (10 contact inputs, 2 Form A & 5 Form C outputs) |
| N / N | Non-sensitive ground / Reserved hardware code |
| SN | Standard neutral configuration |
| D | Drawout case design |
| N | None (No additional environmental coating options) |
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 345-E-P5-G5-H-E-S-N-N-SN-D-N |
| Brand | GE Multilin |
| Origin | Canada |
| Weight | Standard 345 series drawout relay weight (~4.5 kg) |
| Dimensions | Standard 345 drawout case dimensions |
| Operating Temp | -40 to 60 deg C |
| Power Consumption | High-voltage supply: 110-250 VDC / 110-230 VAC |
| Phase / Ground Inputs | 5A CT inputs (Three-phase and ground) |
| Discrete I/O | 10 contact inputs, 2 Form A outputs, 5 Form C outputs |
| Case Construction | Drawout unit design for rapid rack mounting |
| Serial / Local Interfaces | Front USB port, rear RS485 serial port |
| Communication Protocols | Modbus RTU, DNP3.0, IEC 60870-5-103 |
| Protection Elements | Percent differential, neutral/phase/ground/negative time and instantaneous overcurrent |
Deterministic Networks and Firmware Compatibility
The relay incorporates high-density I/O density scaling alongside high-speed microprocessor execution to maintain real-time current differential and time-overcurrent protection loops. Communication buses link via RS485 and USB interfaces, supporting deterministic field data acquisition across Modbus RTU, DNP3.0, and IEC 60870-5-103 protocols. Internal firmware flash memory maintains millisecond-accurate event recording for up to 256 events, while firmware flash compatibility allows field updating without disrupting drawout wiring connections.
Frequently Asked Questions
Q: How many event logs can the 345-E-P5-G5-H-E-S-N-N-SN-D-N maintain simultaneously?
A: The relay stores up to 256 time-stamped events with millisecond resolution in non-volatile memory for diagnostic fault analysis.
Q: What operational advantage does the drawout case design (D suffix) offer?
A: The drawout unit construction allows engineers to extract the internal processing chassis without disconnecting backplane CT shorting blocks or secondary field wiring, minimizing maintenance downtime.
Field Installation Guidelines
- Verify that current transformer (CT) secondary circuits are properly shorted before withdrawing the relay unit from its drawout case.
- Confirm that the auxiliary control power voltage matches the rated high-voltage supply range of 110-250 VDC or 110-230 VAC prior to energization.
- Ground the relay chassis enclosure using a dedicated low-impedance copper earth strap attached directly to the station grounding bus.
- Set up role-based security passwords during commissioning to prevent unauthorized modification of protective setpoints over the RS485 or USB interfaces.
Have a Question?
-
Focus on Benefits:
We focus on what truly matters to industrial buyers — authentic products, reliable stock, and fast global delivery. Explore how we support your operations with trusted sourcing and expert service.
-
Why You Can Trust Us:
We go beyond parts — delivering reliability, speed, and expertise trusted by industrial buyers worldwide.
-
Trusted by Global Clients
Serving thousands of companies across oil & gas, power, manufacturing, and more — from Fortune 500 enterprises to local distributors.
-
Uptime Is Our Priority
Downtime is costly. That’s why we ensure rapid access to critical parts, minimizing production interruptions and delays.
-
Experts in Sourcing Rare Parts
Our team specializes in finding hard-to-source and obsolete components — saving you time, risk, and procurement headaches.
-
One-Stop Automation Supply
We offer complete automation part solutions — PLCs, drives, sensors, HMIs, relays — with expert guidance every step of the way.
Testimonials
Fast Delivery, Excellent Quality
We’ve worked with IndustriaX Limited on several urgent orders for automation components. Their ability to provide original, factory-sealed parts with full documentation—often from in-stock inventory—has significantly reduced our downtime. The delivery is consistently fast, and their logistics team is highly responsive. IndustriaX has become one of our most trusted global suppliers for industrial spare parts.
- Sarah Johnson
We’ve worked with IndustriaX Limited on several urgent orders for automation components. Their ability to provide original, factory-sealed parts with full documentation—often from in-stock inventory—has significantly reduced our downtime. The delivery is consistently fast, and their logistics team is highly responsive. IndustriaX has become one of our most trusted global suppliers for industrial spare parts.
- Sarah Johnson
Reliable Partner for Original Parts
Finding authentic automation parts has always been a challenge, especially for discontinued models. IndustriaX Limited has impressed us with their genuine stock, clear product traceability, and prompt updates. We’ve verified their shipments against OEM specs multiple times, and the results are flawless. They’re now our preferred sourcing partner for critical systems.
- David Smith
Finding authentic automation parts has always been a challenge, especially for discontinued models. IndustriaX Limited has impressed us with their genuine stock, clear product traceability, and prompt updates. We’ve verified their shipments against OEM specs multiple times, and the results are flawless. They’re now our preferred sourcing partner for critical systems.
- David Smith
Professional Service with After-Sales Support"IndustriaX Limited doesn’t just ship products—they provide solutions. When we encountered installation issues with one of the modules, their technical team replied in less than 4 hours and provided wiring guides and troubleshooting tips. This level of post-sale support is rare in the spare parts sector. Their professionalism gives us confidence in every order."
- Emily Brown
"IndustriaX Limited doesn’t just ship products—they provide solutions. When we encountered installation issues with one of the modules, their technical team replied in less than 4 hours and provided wiring guides and troubleshooting tips. This level of post-sale support is rare in the spare parts sector. Their professionalism gives us confidence in every order."
- Emily Brown
Trusted Source for Industrial Automation Spares
We've tested multiple suppliers over the years, but IndustriaX Limited consistently stands out. Their product catalog is extensive, their team is knowledgeable, and they understand the urgency of industrial needs. With every order, we receive timely updates, fast delivery, and 100% genuine products. It’s rare to find such consistency and reliability in this field.
- Michael Anderson
We've tested multiple suppliers over the years, but IndustriaX Limited consistently stands out. Their product catalog is extensive, their team is knowledgeable, and they understand the urgency of industrial needs. With every order, we receive timely updates, fast delivery, and 100% genuine products. It’s rare to find such consistency and reliability in this field.
- Michael Anderson