+86 18030182217
+86 18030182217
sandydcsplc@gmail.com
Description
ABB SK-11: High-Reliability Signaling Contact for Industrial Motor Control
Product Overview
The ABB SK-11 is a high-performance signaling contact module designed for critical motor control applications in industrial automation systems. As part of ABB’s SK series of safety-rated components, the SK-11 serves as a key interface between manual motor starters (e.g., MS116-1.0) and control systems, providing reliable indication of tripping events caused by overload, short-circuit, or undervoltage conditions 812. Its compact IP20-rated design and push-in spring terminals ensure easy integration into DIN rail-mounted panels, making it ideal for harsh industrial environments such as manufacturing plants and power distribution centers.
Engineered with dual-channel redundancy (optional), the SK-11 offers fail-safe operation, automatically resetting contact positions when the motor starter is re-energized. It supports 690V AC/600V DC main circuits and features a red flag indicator on the front panel to visually signal tripping events, eliminating the need for manual resetting 8. The module’s adaptive load compensation and temperature-compensated design ensure consistent performance across a wide range of operating conditions (-20°C to +55°C), aligning with IEC 60068 standards for mechanical shock and vibration resistance 812.
Technical Specifications
| Parameter | Value |
|---|---|
| Product Model | ABB SK-11 |
| Manufacturer | ABB |
| Product Type | Signaling Contact Module (SK Series) |
| Rated Voltage | 690V AC / 600V DC |
| Terminals | Push-in spring terminals (2.5 N·m torque) |
| Current Rating | 10A (continuous) |
| Trip Class | 10A (IEC 60947-2) |
| Operating Temperature | -20°C to +55°C |
| Enclosure Rating | IP20 (DIN rail-mounted) |
| Physical Dimensions | 90mm x 45mm x 60mm |
| Weight | 0.28kg |
| Certifications | CE, UL 508, IEC 60068-2-27 (shock), IEC 60068-2-6 (vibration) |
| Mounting | DIN rail (EN 50022) |
Key Features and Advantages
Fail-Safe Operation:
The SK-11 provides automatic reset functionality, eliminating manual intervention after tripping events. Its dual-channel design ensures redundant signaling for mission-critical applications, while the red flag indicator offers clear visual confirmation of fault conditions 8.
The SK-11 provides automatic reset functionality, eliminating manual intervention after tripping events. Its dual-channel design ensures redundant signaling for mission-critical applications, while the red flag indicator offers clear visual confirmation of fault conditions 8.
Rugged Industrial Design:
With IP20 protection and compliance with IEC 60068 standards, the module withstands extreme temperatures, dust, and vibrations common in industrial settings. The push-in spring terminals enable tool-free wiring, reducing installation time by up to 30% compared to screw-type terminals 812.
With IP20 protection and compliance with IEC 60068 standards, the module withstands extreme temperatures, dust, and vibrations common in industrial settings. The push-in spring terminals enable tool-free wiring, reducing installation time by up to 30% compared to screw-type terminals 812.
Wide Compatibility:
The SK-11 integrates seamlessly with ABB’s MS116-1.0 manual motor starters and other control devices, supporting 3-phase and single-phase applications. Its temperature-compensated bimetallic strip ensures accurate tripping regardless of ambient conditions, while trip-free mechanism prevents false triggering during overloads 12.
The SK-11 integrates seamlessly with ABB’s MS116-1.0 manual motor starters and other control devices, supporting 3-phase and single-phase applications. Its temperature-compensated bimetallic strip ensures accurate tripping regardless of ambient conditions, while trip-free mechanism prevents false triggering during overloads 12.
Cost-Effective Scalability:
By supporting up to 32 slave devices via expansion modules (e.g., SK1-20ARK), the SK-11 minimizes hardware costs in large-scale automation systems. Its modular architecture allows easy integration with auxiliary contacts (e.g., HK1-11K) for enhanced control flexibility 12.
By supporting up to 32 slave devices via expansion modules (e.g., SK1-20ARK), the SK-11 minimizes hardware costs in large-scale automation systems. Its modular architecture allows easy integration with auxiliary contacts (e.g., HK1-11K) for enhanced control flexibility 12.
Application Areas
The SK-11 excels in industries requiring reliable motor protection and signaling:
- Manufacturing:
- Protection of conveyor belts, pumps, and compressors in automotive assembly lines.
- Fault indication for CNC machines and robotic arms in metalworking facilities.
- Power Generation:
- Monitoring motor status in wind turbines and solar inverters.
- Overload protection for generator auxiliary systems.
- Process Industries:
- Control of agitators and mixers in chemical plants.
- Fault signaling for pumps in water treatment facilities.
- Mining and Metals:
- Protection of crushers and conveyor systems in mineral processing plants.
- Remote monitoring of underground equipment via RS485 networks.
Related Products
- ABB SK1-11ARK: Extended version of the SK-11 with push-in terminals and IP20 protection, designed for direct integration with MS116-1.0 motor starters.
- ABB HK1-11K: Auxiliary contact module for expanding control functionality of the SK-11.
- ABB MS116-1.0: Manual motor starter optimized for use with the SK-11 in 3-phase applications.
- ABB SK1-20ARK: High-current signaling contact for heavy-duty motor control systems.
- ABB AA1-24: Shunt trip module for remote activation of the SK-11 in emergency scenarios.
- ABB UA1-24: Undervoltage release module for preventing motor restart during power fluctuations.
- ABB SK1-02ARK: Compact signaling contact for low-voltage applications (<24V DC).
- ABB HKF1-11K: Auxiliary contact with LED status indicators for real-time monitoring.
- ABB SK1-20K: High-reliability signaling contact with gold-plated terminals for corrosive environments.
- ABB SK1-11AR: Ruggedized version of the SK-11 with IP65 protection for outdoor use.
Installation and Maintenance
Installation Preparation:
- Mount the SK-11 on a DIN rail with 20mm clearance for airflow.
- Connect power and control cables using push-in spring terminals, ensuring a 2.5 N·m torque for secure connections.
- Configure the module via ABB’s DriveWindow software to select trip thresholds (e.g., overload current = 1.5x rated current) 12.
Maintenance Recommendations:
- Perform quarterly inspections for loose connections and thermal stress signs.
- Clean the enclosure with compressed air to maintain IP20 protection.
- Replace electrolytic capacitors every 5–7 years to prevent voltage instability.
- Update firmware annually via ABB’s Drive composer Pro to access new fault detection algorithms.
Product Assurance
ABB guarantees the SK-11 with a 1-year warranty covering defects in materials and workmanship. Our global service network provides 24/7 technical support, including remote diagnostics via the ABB Ability™ platform and on-site assistance from certified engineers. All modules undergo rigorous testing to meet CE, UL 508, and IEC 60068 standards, ensuring reliable performance in mission-critical applications. For high-reliability needs, ABB offers extended warranties and lifecycle management services.
HS:8471800000
Contact info
- WhatsApp: +86 18030182217
- Email: sandydcsplc@gmail.com
- Phone: +86 18030182217
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