Product Details
The GE 339-E-P1-G1-H-E-S-N-P-3E-D-N, also cataloged as the 339 Motor Protection Relay, operates as a dedicated hardware component for low and medium voltage motor protection and control execution within 339 Motor Protection System networks.
Suffix Breakdown & Model Matrix
The alphanumeric product ordering code 339-E-P1-G1-H-E-S-N-P-3E-D-N specifies factory-configured options:
- 339: Base series model for 339 Motor Protection System platforms.
- E: English user interface language option without programmable LEDs.
- P1: 1 A three-phase current transformer inputs.
- G1: 1 A ground current transformer input.
- H: High-voltage power supply rating (110 to 250 VDC / 110 to 230 VAC).
- E: Contact expansion board with 10 contact inputs and 7 relay outputs (2 Form A, 5 Form C).
- S: Standard current protection element suite.
- N: Standard options (No additional selection).
- P: Standard system platform configuration.
- 3E: Enhanced Ethernet connectivity supporting IEC 61850, IEC 60870-5-104, DNP3, and Modbus TCP.
- D: Mechanical casing featuring drawout design.
- N: Standard environment rating without harsh environment conformal coating.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 339-E-P1-G1-H-E-S-N-P-3E-D-N |
| Brand | GE Multilin |
| Origin | Canada |
| Weight | 5.0 kg |
| Dimensions | 177 x 218 x 205 mm |
| Operating Temp | -40 to 60 deg C |
| Power Consumption | 15 W |
| System Series | 339 Motor Protection System |
| Power Supply | 110 to 250 VDC / 110 to 230 VAC |
| Phase Current Inputs | 1 A (3-Phase) |
| Ground Current Input | 1 A |
| Contact Inputs / Outputs | 10 Contact Inputs / 7 Outputs (2 Form A, 5 Form C) |
| Communications | Ethernet (3E option) supporting IEC 61850, IEC 60870-5-104 |
| Chassis Type | Drawout case design |
| Ingress Protection | Front panel: IP40; Rear terminals: IP10 |
| Conformal Coating | None (N) |
Backplane Bus Communication Velocity and Firmware Flash Compatibility
The 339-E-P1-G1-H-E-S-N-P-3E-D-N utilizes an internal bus architecture designed to pass thermal models, overcurrent calculations, and discrete I/O state shifts directly to the main processor. Ethernet protocol engines manage time-stamped message transfers via IEC 61850 without compromising internal backplane bus communication velocity. Non-volatile flash storage supports full firmware flash compatibility, enabling field updates to embedded protection algorithms while retaining calibration tables and historical fault record buffers.
Frequently Asked Questions
Q: How does the drawout casing design function during unit replacement?
A: The drawout chassis (D) allows the active relay assembly to be withdrawn from the cradle, automatically short-circuiting connected CT secondary circuits before pin disengagement.
Q: What are the ingress protection ratings for the front and rear sections of the enclosure?
A: The front display panel is rated to IP40 ingress protection, while the rear terminal connection area is rated to IP10.
Q: Which communication protocols are enabled by the 3E option code?
A: The 3E designation enables dual-port Ethernet communications with native support for IEC 61850, IEC 60870-5-104, Modbus TCP, and DNP3.
Field Installation Guidelines
Verify that all auxiliary power circuits are isolated prior to installing or removing the relay drawout unit. Mount the outer cradle into the cabinet cutout and secure all perimeter mounting hardware to ensure flush seating. Route current transformer wiring using crimped ring terminals, ensuring screws on the rear terminal block are torqued securely to maintain low contact resistance. Ground the main frame chassis lug directly to the cabinet ground bus using a low-impedance copper strap.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
Evaluating Industrial Automation: Architectural Benefits and Operational Challenges
Modern manufacturing relies heavily on advanced industrial automation to streamline production cycles and maintain precise process execution. Automated control systems, programmable logic controllers (PLCs), and distributed control systems (DCS) replace repetitive manual intervention on shop floors. Evaluating the balance between operational gains and capital investment remains essential for engineering leaders planning smart factory upgrades.
Strategic Emergency Shutdown Button Installation: Securing Industrial Gas Pipelines
Emergency Shutdown (ESD) systems serve as the critical last line of defense in power plants and chemical facilities. Plant engineers frequently install manual ESD pushbuttons at boundary fence lines near gas pipeline entry points. Positioning safety devices far from main generation units ensures fast isolation and protects personnel during major gas releases.
Multi-Touch HMI Technology: Transforming Interaction in Industrial Automation
Modern human-machine interfaces (HMIs) are evolving rapidly across factory floors worldwide. Traditional resistive touchscreens allowed operators to register only a single touch point at a time. Today, multi-touch HMI panels enable intuitive multi-finger gestures and concurrent multi-operator inputs in demanding industrial automation setups.