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- ABB
- DSTC 120/DSTC-120/DSTC120
- Connection Unit
- Sweden
- 140 × 85 × 65 mm
- 1.15kg
- 57520001-A 5750001-A/2
- Xiamen, China
- New & In Stock
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All our products are priced very favorably because we have our own warehouse and supply.
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ABB DSTC 120 / DSTC-120 / DSTC120 (57520001-A, 5750001-A/2) – Product Overview
Product Introduction
The ABB DSTC 120 is a compact digital thermal current relay designed to provide precise motor and equipment protection in industrial automation systems. It monitors current levels and detects overload or fault conditions, ensuring the safety and reliability of connected motors and machinery. With advanced electronics and a durable design, the DSTC 120 combines high accuracy with long-term reliability for demanding industrial applications.
Product Applications
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Protection of industrial AC and DC motors in automation systems
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Monitoring of pumps, fans, conveyors, and compressors
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Integration into motor control centers (MCCs) and control panels
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Industrial machinery requiring thermal and overload protection
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Process automation and predictive maintenance systems
Product Advantages
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Accurate Thermal Monitoring: Continuously monitors current to detect overload and prevent motor damage
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Quick Response: Provides fast tripping to minimize equipment downtime
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Durable Industrial Design: Resists vibrations, dust, and temperature variations
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Compact Form Factor: Suitable for DIN rail or panel mounting in tight spaces
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Energy Efficient: Low power consumption during continuous monitoring
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Easy Configuration: Adjustable tripping thresholds for flexible application
Brand and Series
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Brand: ABB
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Series: DSTC Series – digital thermal current relays for motor and industrial equipment protection
Technical Parameters
| Parameter | Specification |
|---|---|
| Model | DSTC 120 / DSTC-120 / DSTC120 |
| Part Numbers | 57520001-A, 5750001-A/2 |
| Rated Voltage | 380–480 V AC |
| Rated Current | 0.5–120 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) | 140 × 85 × 65 mm |
| Weight | 1.15 kg |
Recommended Related Models (Same Series)
| Model | Key Parameters |
|---|---|
| DSTC 100 | Rated Current 0.5–100 A, Dimensions 130×80×60 mm, Weight 1.0 kg |
| DSTC 110 | Rated Current 0.5–110 A, Dimensions 135×80×60 mm, Weight 1.05 kg |
| DSTC 130 | Rated Current 0.5–130 A, Dimensions 145×85×65 mm, Weight 1.2 kg |
| DSTC 140 | Rated Current 0.5–140 A, Dimensions 150×90×70 mm, Weight 1.25 kg |
| DSTC 150 | Rated Current 0.5–150 A, Dimensions 155×95×70 mm, Weight 1.3 kg |
Recommended Popular ABB Models (Same Brand)
| 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 |
FAQ (DSTC 120)
Q1: What is the rated voltage of DSTC 120?
A1: The device operates at 380–480 V AC, suitable for industrial motor circuits.
Q2: What is the rated current range?
A2: It supports currents from 0.5 A up to 120 A.
Q3: What is the operating temperature range?
A3: DSTC 120 operates safely from -20°C to +60°C.
Q4: Can it be mounted on DIN rails?
A4: Yes, it is designed for DIN rail and panel mounting.
Q5: What are the dimensions and weight?
A5: Dimensions are 140 × 85 × 65 mm and the weight is 1.15 kg.
Q6: Is DSTC 120 suitable for harsh industrial environments?
A6: Yes, it is resistant to vibration, dust, and high humidity.
Q7: What type of protection does DSTC 120 provide?
A7: It provides precise thermal and current overload protection for motors.
Q8: Can DSTC 120 integrate with remote monitoring systems?
A8: Yes, optional communication modules allow for remote monitoring and integration.
Q9: What is the response time of DSTC 120?
A9: The response time is less than 100 milliseconds.
Q10: Does DSTC 120 require software or calibration?
A10: Minimal manual configuration is required; tripping thresholds are adjustable, and optional software is available for monitoring.