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The ABB DSTC 170 is a high-performance digital thermal current relay designed for motor and equipment protection in industrial automation environments. It continuously monitors current levels and provides fast and precise overload detection, helping to prevent motor damage and equipment downtime. The DSTC 170 features robust industrial construction and advanced electronics, ensuring reliable performance even in harsh industrial conditions.
Protection of industrial AC and DC motors in automated systems
Monitoring and safeguarding of pumps, fans, conveyors, and compressors
Integration into motor control centers (MCCs) and industrial control panels
Industrial machinery requiring precise thermal and overload protection
Energy management, process automation, and predictive maintenance systems
Accurate Thermal Monitoring: Continuously tracks current and detects overload conditions
Fast Response Time: Ensures rapid tripping to prevent motor and equipment damage
Durable Design: Resistant to vibration, dust, and extreme temperatures
Compact Installation: Suitable for DIN rail or panel mounting, saving space
Energy Efficient: Low power consumption during continuous monitoring
Flexible Configuration: Adjustable tripping thresholds and current limits for various motor applications
Brand: ABB
Series: DSTC Series – digital thermal current relays for motor and equipment protection in industrial automation
| Parameter | Specification |
|---|---|
| Model | DSTC 170 / DSTC-170 / DSTC170 |
| Part Number | 57520001-BK |
| Rated Voltage | 380–480 V AC |
| Rated Current | 0.5–170 A |
| Control Type | Digital Thermal Current Relay |
| Communication | Optional digital interface for remote monitoring |
| Operating Temperature | -20°C to +60°C |
| Storage Temperature | -40°C to +85°C |
| Humidity | 5% to 95% non-condensing |
| Response Time | < 100 ms |
| Mounting | DIN Rail / Panel Mount |
| Dimensions (L × W × H) | 150 × 95 × 75 mm |
| Weight | 1.3 kg |
| Model | Key Parameters |
|---|---|
| DSTC 160 | Rated Current 0.5–160 A, Dimensions 145×90×70 mm, Weight 1.2 kg |
| DSTC 165 | Rated Current 0.5–165 A, Dimensions 148×92×70 mm, Weight 1.25 kg |
| DSTC 180 | Rated Current 0.5–180 A, Dimensions 155×95×75 mm, Weight 1.35 kg |
| DSTC 190 | Rated Current 0.5–190 A, Dimensions 155×100×80 mm, Weight 1.4 kg |
| DSTC 200 | Rated Current 0.5–200 A, Dimensions 160×100×80 mm, Weight 1.5 kg |
| Model | Key Parameters |
|---|---|
| ACS580 | VFD, Input 3-phase 380–480 V, Output 0–480 V, Weight 8–15 kg |
| ACH580 | High-performance drive, Input 3-phase 380–500 V, Weight 10–18 kg |
| AF100 | Soft starter, Input 200–600 V, Output 0–600 V, Weight 5–12 kg |
| IRB 6700 | Industrial robot controller, Max payload 235 kg, Weight 540 kg |
| CP600 | Operator panel, Touchscreen interface, Dimensions 320×240×50 mm, Weight 2.5 kg |
Q1: What is the rated voltage of DSTC 170?
A1: The device operates at 380–480 V AC, suitable for motor circuits in industrial environments.
Q2: What is the rated current range?
A2: DSTC 170 supports currents from 0.5 A to 170 A.
Q3: What is the operating temperature range?
A3: DSTC 170 operates safely from -20°C to +60°C.
Q4: Can DSTC 170 be mounted on DIN rails?
A4: Yes, it is designed for both DIN rail and panel mounting.
Q5: What are the dimensions and weight?
A5: Dimensions are 150 × 95 × 75 mm and the weight is 1.3 kg.
Q6: Is DSTC 170 suitable for harsh industrial conditions?
A6: Yes, it resists vibration, dust, and high humidity.
Q7: What type of protection does DSTC 170 provide?
A7: It provides precise thermal and current overload protection for motors and equipment.
Q8: Can DSTC 170 integrate with remote monitoring systems?
A8: Yes, optional communication modules allow integration with automation and monitoring systems.
Q9: What is the response time of DSTC 170?
A9: The response time is less than 100 milliseconds.
Q10: Does DSTC 170 require calibration or software?
A10: Minimal manual configuration is needed; tripping thresholds are adjustable, with optional software for monitoring.