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The ABB TA524 is a high-accuracy current transformer designed for use in industrial and energy distribution systems. It is engineered to provide precise AC current measurement for protection, metering, and control applications.
The TA524 is built for robust performance under demanding conditions, offering stable output, minimal phase shift, and long-term reliability. Its compact design allows for easy installation in switchgear, panels, and control cabinets. It supports standard protective relays and metering devices, making it suitable for medium and low-voltage systems.
The transformer ensures reliable current sensing to enhance the performance of measurement and protection systems, critical in industrial automation, power distribution, and energy management.
| Parameter | Specification |
|---|---|
| Model | ABB TA524 (1SAP180600R0001) |
| Product Type | Current Transformer (CT) |
| Rated Primary Current | 200–1000 A |
| Rated Secondary Current | 5 A |
| Accuracy Class | 1 / 3 |
| Rated Burden | 5–15 VA |
| Insulation Level | 12/24 kV AC |
| Frequency | 50–60 Hz |
| Phase | Single-phase |
| Mounting | DIN rail or panel mount |
| Dimensions (L × W × H) | 115 × 95 × 70 mm |
| Weight | 1.3 kg |
| Operating Temperature | –25 °C to +55 °C |
| Storage Temperature | –40 °C to +70 °C |
| Standards Compliance | IEC 61869, IEC 60044 |
| Connection Type | Screw terminals |
| Safety Features | High dielectric strength, short-circuit resistant |
The ABB TA524 is used in various industrial and commercial applications requiring accurate current measurement:
• Power monitoring and metering in industrial plants and commercial facilities.
• Integration with protection relays for overload, differential, and earth fault detection.
• Energy management systems for load analysis and optimization.
• Control of circuit breakers, relays, and automation equipment.
• Medium-voltage and low-voltage distribution systems.
• Renewable energy installations requiring precise current measurement.
• Substations and transformer monitoring for reliable system operation.
• High Accuracy – Ensures precise measurement for metering and protection.
• Durable Construction – Designed for industrial environments and long-term reliability.
• Compact Design – Facilitates installation in panels and switchgear.
• Wide Current Range – Handles primary currents from 200 A up to 1000 A.
• Reliable Insulation – Protects against high voltage and short-circuits.
• International Standards Compliant – Meets IEC 61869 and IEC 60044.
• Low Maintenance – Solid construction reduces ongoing maintenance requirements.
• Flexible Mounting – Can be installed on DIN rails or panel surfaces.
• Brand: ABB
• Series: TA Series — Industrial current transformers for protection and metering in low and medium-voltage systems.
| Model | Rated Primary Current | Rated Secondary Current | Accuracy Class | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|---|
| TA521 | 50–1200 A | 5 A | 0.5S / 1 / 3 | 105 × 85 × 60 | 1.1 |
| TA522 | 50–1000 A | 5 A | 0.5S / 1 | 105 × 85 × 60 | 1.0 |
| TA523 | 100–1200 A | 5 A | 0.5S / 1 | 110 × 90 × 65 | 1.2 |
| TA525 | 50–800 A | 5 A | 0.5 / 1 | 100 × 80 × 60 | 0.95 |
| TA526 | 100–1200 A | 5 A | 0.5S / 1 | 120 × 100 × 75 | 1.4 |
| Model | Type | Rated Current | Accuracy Class | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|---|
| D16 | Solid-State Relay | 24–240 V | 16 A | 85 × 30 × 55 | 0.23 |
| D25 | Solid-State Relay | 24–240 V | 25 A | 90 × 35 × 60 | 0.30 |
| D40 | Solid-State Relay | 24–600 V | 40 A | 120 × 50 × 80 | 0.52 |
| T7 | Control Relay | 24–240 V | 7 A | 70 × 25 × 45 | 0.18 |
| T9 | Control Relay | 24–600 V | 9 A | 80 × 30 × 50 | 0.20 |
Q1: What is the primary current range of the TA524?
A1: 200–1000 A.
Q2: What is the rated secondary current?
A2: 5 A.
Q3: What accuracy classes are supported?
A3: Classes 1 and 3.
Q4: Can it be mounted on a DIN rail?
A4: Yes, it supports DIN rail or panel mounting.
Q5: What is the operating temperature range?
A5: –25 °C to +55 °C.
Q6: Which standards does it comply with?
A6: IEC 61869 and IEC 60044.
Q7: What safety features are included?
A7: High dielectric strength and short-circuit resistance.
Q8: What are the dimensions and weight?
A8: 115 × 95 × 70 mm; weight 1.3 kg.
Q9: What applications is the TA524 suitable for?
A9: Power metering, protection relays, control circuits, and energy management systems.
Q10: Can it be used in medium-voltage systems?
A10: Yes, it is suitable for low and medium-voltage AC systems.