GE Multilin|UR7JH|Transformer Protection Relay

SKU: UR7JH

Manufacturer: GE Multilin
Product No.: UR7JH
Condition：In stock
Product Type: Transformer Protection Relay
Product Origin: USA
Payment:T/T, Western Union
Weight: 1150g
Shipping port: Xiamen
Warranty: 12 months

GE Multilin UR7JH Transformer Protection Relay

Description
The GE Multilin UR7JH is a transformer protection relay from the UR family, designed to provide comprehensive protection, control, and monitoring for medium to large power transformers.

Features

Advanced transformer differential protection algorithms
High-accuracy metering and thermal modeling
Flexible I/O configuration and programmable logic
Multi-protocol communication capabilities

Technical Specifications

Protection Functions
- Transformer differential (87T) with percentage restraint
- Overcurrent (50/51), under/overvoltage (27/59), overexcitation (24)
- Stator ground (64TN), loss of excitation (40)
Metering Accuracy
- Current: ±0.25% of full scale, Voltage: ±0.5% of full scale
- Power: ±1.0% at unity power factor
CT/VT Inputs
- CT: 1A/5A, burden <0.2 VA; VT: 100V/220V, burden <0.5 VA
Communication
- Dual Ethernet ports (10/100 Mbps), RS485
- Protocols: IEC 61850, DNP 3.0, Modbus TCP/IP
Event Recording
- 1024 sequence-of-event records (1ms timestamp)
- 64 oscillography records (64 samples/cycle, COMTRADE format)
Thermal Model
- Transformer thermal overload (49) with RTD biasing, accuracy ±2%
Environmental
- Operating temperature: -40°C to +85°C
- Power supply: 24-250V DC / 100-240V AC, <20W consumption
Physical
- Dimensions: 190mm × 145mm × 50mm, Weight: 1.2kg

Order and Warranty Information

Terms of Purchase and Returns

Detailed guidelines on minimum order quantity, delivery times, payment options, warranty, and return policies.

We gladly accept bulk orders, with a minimum order quantity of just one unit.

Upon request, we can provide all necessary documents, including Certificates of Origin/Conformance and other required export paperwork.

We accept 100% T/T (Telegraphic Transfer) payment before shipping. For items with lead times, a 30% deposit is required upfront, with the remaining 70% payable before shipment. For RMB transfers, please contact us if you have an agent in China.

All new and original items come with a standard one-year warranty. For extended warranty options, feel free to contact us for pricing details.

We prioritize your satisfaction. If you need to return an item, it must be done within 30 days of purchase. The product must be unused, unopened, and in its original packaging, including all accessories. Refunds will be processed within 5-7 business days of receiving the return. Please note, shipping and handling charges are non-refundable.

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