Motor Protection Solution – SEL SEL-547 05470X155XXX2XX | SEL-547 Series
Where This Product Is Used
The SEL-547 (part number 05470X155XXX2XX) is a dedicated motor protection controller engineered for demanding industrial environments. Engineers and plant operators deploy this relay across a wide range of critical applications:
- Industrial Motor Protection – Protects AC induction motors in manufacturing plants, steel mills, and mining operations against overload, phase loss, and locked rotor conditions.
- Pump Stations & Water Treatment – Safeguards submersible and surface pumps in municipal water/wastewater facilities where unplanned downtime is unacceptable.
- Compressor & HVAC Systems – Provides thermal and current-based protection for large compressor motors in oil & gas and commercial HVAC installations.
- Conveyor & Material Handling – Monitors motor health on conveyor lines in ports, logistics hubs, and aggregate processing plants.
- Power Generation Auxiliaries – Protects auxiliary motors (fans, pumps, feeders) in power plants and substations where SEL protection philosophy is already standardized.
Technical Specifications
| Attribute | Value |
|---|---|
| Manufacturer | SEL (Schweitzer Engineering Laboratories) |
| Model / SKU | SEL-547 | 05470X155XXX2XX |
| Series | SEL-547 |
| Device Type | Motor Protection Controller / Relay |
| Protection Functions | Overload (49), Phase Loss, Undercurrent, Jam/Stall, Ground Fault |
| Communication | Serial (EIA-232/485); optional Ethernet per configuration code |
| Mounting | Panel / Rack Mount |
| Weight | 560 g (approx.) |
| Condition | New / Surplus New |
Note: Full specifications are defined by the 15-character configuration code 05470X155XXX2XX. Contact us to verify exact I/O, voltage rating, and communication options for your application.
Why Engineers Specify This Model
- Proven SEL Protection Philosophy – SEL relays are trusted in utilities and heavy industry worldwide for deterministic, high-speed protection.
- Flexible Configuration Code – The 05470X155XXX2XX part number encodes specific hardware options, allowing precise matching to motor voltage, CT ratio, and communication requirements.
- Integrated Metering & Diagnostics – Real-time current, thermal capacity, and event logging reduce troubleshooting time and support predictive maintenance programs.
- SCADA / DCS Integration – Native serial and optional Ethernet ports enable seamless integration into existing control architectures without additional protocol converters.
- Reduced Wiring Complexity – Consolidated protection, control, and metering in a single device lowers panel footprint and installation labor.
Complete System Bill of Materials
For a complete motor protection panel using the SEL-547, engineers typically specify:
- SEL-547 (05470X155XXX2XX) – Motor Protection Controller (this item)
- Current Transformers (CTs) – matched to motor FLA and CT ratio setting
- SEL-C662 or equivalent communication cable – for serial port connection
- 24 VDC or 120 VAC control power supply – per relay power input option
- Motor Circuit Protector (MCP) or MCCB – upstream overcurrent protection
- Contactor / Soft Starter – motor switching device coordinated with relay output contacts
- SEL AcSELerator QuickSet Software – for relay configuration and settings management
Compliance & Industry Standards
- Designed and manufactured in accordance with IEEE C37.96 (Guide for AC Motor Protection)
- Compliant with IEC 60255 series for measuring relays and protection equipment
- UL Listed / CE Marked (verify specific listing per configuration code)
- Suitable for use in NERC CIP compliant environments with appropriate cybersecurity controls
Quality Assurance & Sourcing
Konmask.com sources SEL products exclusively from authorized distributors and verified surplus channels. Every unit undergoes the following before shipment:
- Visual inspection for physical damage, label integrity, and firmware version verification
- Functional power-on test where applicable
- Anti-static packaging with humidity indicator card
- Traceable documentation (original manufacturer packaging preferred)
We do not sell counterfeit, refurbished-as-new, or unverified grey-market product. Our sourcing policy is available on request.
How to Source This Part
- Add to Cart – Place your order directly on Konmask.com for in-stock units.
- Request a Quote – For volume orders (>3 units) or project-based procurement, email support@konmask.com for a formal quotation with lead time confirmation.
- Verify Configuration – If you need to confirm the 05470X155XXX2XX configuration code matches your application, our technical team can cross-reference your motor nameplate data and existing relay settings.
- Expedited Shipping – DHL Express, FedEx International Priority, and UPS Worldwide available. Export documentation (commercial invoice, packing list, EAR99 classification) provided for all international shipments.
Application-Specific FAQ
Q: Is the SEL-547 suitable for medium-voltage motor applications?
A: The SEL-547 interfaces via CTs and VTs, making it compatible with both low-voltage and medium-voltage motor protection schemes when properly configured with appropriate instrument transformers.
Q: Can this relay communicate with a Modbus-based SCADA system?
A: The SEL-547 natively supports SEL protocol over serial. Modbus RTU/TCP is available depending on the configuration code and optional communication modules. Contact us to confirm for part number 05470X155XXX2XX.
Q: What is the lead time for this part?
A: In-stock units ship within 1–2 business days. For out-of-stock scenarios, typical lead time is 4–8 weeks from SEL’s factory. Contact us for current availability.
Q: Do you provide a warranty?
A: Yes. Konmask.com offers a 12-month warranty against manufacturing defects on all new units. Surplus-new units carry a 90-day functional warranty.
Q: Can you help with relay settings and commissioning?
A: We supply the hardware. For settings development and commissioning support, we recommend engaging a certified SEL application engineer or your regional SEL office.
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Original Source: https://Konmask.com
Contact: support@konmask.com | +0086 19859288691
