GE Multilin | 745-W2-WP5-G5-HI | Transformer Management Relay
The GE 745-W2-WP5-G5-HI — a transformer management relay you will wish you had on the shelf when the old one fails. Frequency: 50 or 60 Hz nominal | Options: LO/HI (specified when ordering) | LO Range: 20 to 60 V DC; 20 to 48 V AC at 48 to 62 Hz. Physical stock, not virtual inventory. Ships within 24 hours.
Technical Specifications
| 745 Transformer Protection System | is a high speed, multi-processor based, threephase, two or three winding, transformer management relay intended for the primary protection and management of small, medium and large power transformers. |
|---|---|
| Transformers | Two-winding or three-winding |
| Frequency | 50 or 60 Hz nominal |
| Options | LO/HI (specified when ordering) |
| LO Range | 20 to 60 V DC; 20 to 48 V AC at 48 to 62 Hz |
| HI Range | 90 to 300 V DC; 70 to 265 V AC at 48 to 62 Hz |
| Power | 30 VA nominal, 40 VA maximum |
| Total loss of voltage ride-through time (0% control power) | 16.7 ms |
| Fuse Current Rating | 3.15A (fuse not accessible) |
| Fuse Type | 5 × 20 mm slow-blow Littelfuse, high breaking capacity; model 2153.15 |
| Source CT | 1 to 50000 A primary, 1 or 5 A secondary |
| Relay Input | 60 to 120 V phase-neutral |
| Burden | Less than 0.025 VA at 120 V |
| Conversion Range | 0.02 to 46 × CT |
| Overload Withstand | 1 second at 80 times rated current; 2 seconds at 40 times rated current; continuous at 3 times rated current |
| Source VT | 2 to 600 kV / 60 to 120 V |
| Source VT Ratio | 1 to 5000 in steps of 1 |
| Maximum Continuous Input | 273 V |
| Maximum Accuracy Input | 260 V (full-scale) |
| Manufacturer | GE |
| Model / SKU | 745-W2-WP5-G5-HI |
✓ Ships within 24 hours | ✓ 12-Month Warranty | ✓ Worldwide Delivery
Detailed Product Information
Compatibility
For GE platforms. Verify firmware, slot, power budget. Send label photo — we confirm within 4 hours.
Troubleshooting
Check: correct slot, backplane power, connector seating, event log. Contact us before RMA — often solved remotely.
Function & Specs
Handles is a high speed, multi-processor based, threephase, two or three winding, transformer management relay intended for the primary protection and management of small, medium and large power transformers.. GE proprietary design.
Specifications
| Parameter | Value |
|---|---|
| 745 Transformer Protection System | is a high speed, multi-processor based, threephase, two or three winding, transformer management relay intended for the primary protection and management of small, medium and large power transformers. |
| Transformers | Two-winding or three-winding |
| Frequency | 50 or 60 Hz nominal |
| Options | LO/HI (specified when ordering) |
| LO Range | 20 to 60 V DC; 20 to 48 V AC at 48 to 62 Hz |
| HI Range | 90 to 300 V DC; 70 to 265 V AC at 48 to 62 Hz |
| Power | 30 VA nominal, 40 VA maximum |
| Total loss of voltage ride-through time (0% control power) | 16.7 ms |
Where It Operates
Deployed in power plants on GE systems.
Examples
- The 745 Transformer Protection System is a high speed, multi-processor based, threephase, two or three winding, transformer management relay intended for the primary protection and management of small, medium and large power transformers.
- Technical specifications: Transformers: Two-winding or three-winding Frequency: 50 or 60 Hz nominal Frequency Tracking: 40 to 65 Hz for 0.
- 05 × CT < current ≤ 1 × CT 5 to 65 Hz for current > 1 × CT 2 to 65 Hz for voltage > 50% of VT (only if voltage sensing is enabled) CONTROL POWER Options: LO/HI (specified when ordering) LO Range: 20 to 60 V DC; 20 to 48 V AC at 48 to 62 Hz HI Range: 90 to 300 V DC; 70 to 265 V AC at 48 to 62 Hz Power: 30 VA nominal, 40 VA maximum Total loss of voltage ride-through time (0% control power): 16.
No spare = one failure from downtime. Ships within 24 hours.
Related Products
