REF542PLUS 76A1N99N351SS26| ABB |Advanced Protection Relay

SKU: REF542PLUS 76A1N99N351SS26

Manufacturer: ABB
Product No.: REF542PLUS 76A1N99N351SS26
Condition：In stock
Product Type: Advanced Protection Relay
Product Origin: USA
Payment:T/T, Western Union
Weight: 3300g
Shipping port: Xiamen
Warranty: 12 months

Description

The REF542PLUS 76A1N99N351SS26 is an advanced protection relay designed for comprehensive electrical system protection and monitoring. It offers a wide range of protective functions, including overcurrent, earth fault, differential, and undervoltage protection. The device is equipped with multiple communication interfaces and can be easily integrated into various control systems. Its high-precision measurement capabilities and flexible configuration options make it suitable for a variety of industrial and utility applications.

Features

Comprehensive Protection: Provides overcurrent (OC), earth fault (EF), differential, and undervoltage protection.
High Precision Measurement: Accurate measurement of voltage, current, power, and energy.
Communication Interfaces: Equipped with Ethernet, Modbus RTU, and IEC 61850 protocols for seamless integration.
Flexible Configuration: Configurable via front panel or PC software for easy setup and customization.
Event Logging: Built-in event recorder with real-time clock for detailed event history.
Multi-language Support: Supports multiple languages for user-friendly operation.
DIN Rail Mounting: Compact design for easy installation in switchgear panels.
Wide Operating Temperature Range: Suitable for harsh environments (-25 to 70°C).

Technical Specifications

Power Supply:
- Voltage: 85-264 VAC, 100-370 VDC
- Power Consumption: < 10 VA
Operating Temperature:
- Range: -25 to 70°C
Humidity:
- Non-condensing: 5 to 95%
Voltage Inputs:
- Rated Voltage: 100/110/120/220/240 Vac/dc
- Measuring Range: 0 to 1.2 × rated voltage
- Accuracy: ±0.2% of full scale
Current Inputs:
- Rated Current: 1 A or 5 A
- Measuring Range: 0 to 1.2 × rated current
- Accuracy: ±0.2% of full scale
Frequency Measurement:
- Range: 45 to 65 Hz
- Accuracy: ±0.01 Hz
Power and Energy Measurement:
- Active Power: ±0.2% of full scale
- Reactive Power: ±0.5% of full scale
- Apparent Power: ±0.2% of full scale
- Energy: ±0.2% of full scale
Protection Functions:
- Overcurrent (OC): Instantaneous, time-overcurrent (TOC), and inverse time-overcurrent (ITOC)
- Earth Fault (EF): Instantaneous, time-earth fault (TEF), and inverse time-earth fault (ITEF)
- Differential Protection: 2-wire and 4-wire differential
- Undervoltage (UV) and Overvoltage (OV)
- Unbalanced Voltage (UVB)
- Frequency Protection: Underfrequency (UF) and Overfrequency (OF)
Communication:
- Ethernet: 10/100 Mbps, TCP/IP, UDP, HTTP, FTP, SNMP, IEC 61850
- RS-485: Modbus RTU, IEC 60870-5-103
- Digital Inputs: 16 (configurable)
- Digital Outputs: 12 (configurable)
Event Recorder:
- Capacity: 300 events
- Real-Time Clock: Battery-backed, minimum 5 years
Mounting:
- DIN rail mounting
- Dimensions: 100 mm (W) × 115 mm (H) × 110 mm (D)
- Weight: Approx. 1.2 kg
Approvals:
- CE, UL, cUL, IEC 61000-4, EN 50121-4

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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