1. Main Specifications| Rated Operational Voltage | 208 ... 600 V AC | | Rated Control Supply Voltage (Us) | 100 ... 250 V AC | | Rated Control Circuit Voltage (Uc) | 24 V DC | | Rated Frequency (f) | 50/60 Hz Main Circuit 50 / 60 Hz | | Package Level 1 Depth Length/Height/Width | 325 MM 510 MM 261 MM | | Package Level 1 Gross Weight | 13.3 kg |
2. Key Selling Points- Comprehensive Motor Protection: Offers precise protection against overload, stall, phase
loss, phase sequence error, phase current imbalance, and earth
fault (with external zero-sequence CT), comprehensively guarding
against electrical faults and effectively extending motor service
life.
- Electronic Design for High Accuracy & Stability: Utilizes electronic sensing and microprocessor technology for
more accurate and repeatable tripping performance compared to
traditional thermal relays, with immunity to ambient temperature
variations, ensuring stable and reliable operation under diverse
conditions.
- Wide Adjustable Current Range: Features a broad current setting range (e.g., 320–600A),
easily adjustable via DIP switches, accommodating various
high-power motors, reducing spare part inventory, and enhancing
application flexibility.
- Modular Design, Space-Saving Installation: Designed for direct mounting onto ABB A250 series contactors,
forming a compact electromagnetic starter combination without
additional brackets or complex wiring, saving valuable panel space
and simplifying system assembly.
- Clear Status and Fault Diagnostic Indication: Integrated LED indicators provide real-time visibility of
operating status, fault types (e.g., overload, phase loss), and
trip causes, enabling fast troubleshooting, reduced maintenance
time, and improved productivity.
- High Reliability and Industrial-Grade Durability: Backed by ABB quality standards, built with industrial-grade
components, offering excellent electromagnetic compatibility (EMC)
and wide operating temperature range, suitable for demanding
industrial environments such as high temperature, humidity, and
dust.
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