1 PCS new ABB Comprehensive Relay Protector REJ525A 412BAA #LYQ007
1 PCS new ABB Comprehensive Relay Protector REJ525A 412BAA #LYQ007
1 PCS new ABB Comprehensive Relay Protector REJ525A 412BAA #LYQ007
Original Factory Precision Parameters (Product: ABB Comprehensive Relay Protector; Model: REJ525A 412BAA)
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Parameter Category
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Parameter Name
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REJ525A 412BAA Specification
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Basic Information
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Product Model
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REJ525A 412BAA; ABB Genuine Original Comprehensive Relay Protector, 100% unused and unrefurbished genuine parts; Industrial-grade protection component, specialized for power system protection.
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Manufacturer Standard
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Manufactured by ABB Group; Complies with CE, UL, IEC 60255, ISO 9001, RoHS Standards; Conforms to ABB Internal Technical and Quality Norms for Relay Protectors; Passes strict factory precision calibration and performance testing, meeting industrial electrical protection component standards.
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Product Application
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Power System Protection, Electrical Equipment Monitoring and Control; Widely used in Power Distribution Networks, Industrial Plants, Thermal Power Stations, Hydropower Stations, High-rise Buildings, Petrochemical Enterprises and other scenarios, matching ABB series power equipment.
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Product Type
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Industrial-grade Comprehensive Relay Protector; Multi-functional Protection Component; Supports overcurrent, overvoltage, undervoltage, phase failure, overload and short-circuit protection, dedicated to power system security.
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Core Electrical Parameters
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Rated Operating Voltage
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AC 220V / 380V (Optional); Voltage Tolerance: ±10%; Compatible with standard industrial power supply, ensuring stable operation of the protector.
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Rated Input Current
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1A / 5A (Optional); Current Tolerance: ±5%; Adapt to different current measurement standards, strong versatility.
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Overcurrent Protection Range
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1.1Iₙ ~ 10Iₙ (Adjustable); Protection Accuracy: ±1%; Rapid response to overcurrent faults, effectively protecting electrical equipment.
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Overvoltage Protection Range
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1.1Uₙ ~ 1.5Uₙ (Adjustable); Protection Accuracy: ±1%; Trigger time: 0.1s ~ 10s (Adjustable); Prevent damage caused by excessive voltage.
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Undervoltage Protection Range
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0.5Uₙ ~ 0.9Uₙ (Adjustable); Protection Accuracy: ±1%; Trigger time: 0.1s ~ 10s (Adjustable); Avoid equipment malfunction due to low voltage.
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Overload Protection Range
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1.05Iₙ ~ 1.5Iₙ (Adjustable); Protection Curve: Class 10 / Class 20 / Class 30 (Optional); Adapt to different overload conditions of equipment.
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Phase Failure Protection
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Action Current: ≤ 0.8Iₙ; Trigger Time: ≤ 3s; Accurately detect phase failure faults, prevent three-phase equipment damage.
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Short-circuit Protection Range
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5Iₙ ~ 10Iₙ (Adjustable); Trigger Time: ≤ 0.1s; Rapid cut-off short-circuit current, avoid fault expansion.
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Control Voltage Output
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DC 24V ±0.5V, 3A; Stable control voltage output, providing reliable power supply for external control circuits and sensors.
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Insulation Resistance
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≥ 100 MΩ (500V DC); High insulation performance, effectively preventing electrical leakage, ensuring safe operation of the protector and connected equipment.
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Dielectric Strength
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AC 2500V, 50/60Hz, 1 Minute (No Breakdown, No Arcing); Strong dielectric performance, adapting to complex industrial electrical environments.
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Mechanical & Installation Parameters
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Connection Type
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Terminal Block Connection; Screw Fastening; Gold-Plated Terminals; Easy to wire and disassemble, compatible with ABB power equipment wiring specifications, ensuring stable electrical connection.
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Dimensions (L×W×H)
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140 × 110 × 70 mm; Compact structural design, small installation space, easy to integrate with power distribution cabinets and control panels.
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Structure Material
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Shell Material: High-Quality Engineering Plastics (PC+ABS); Internal Components: Industrial-Grade Electronic Components; High strength, good insulation, flame-retardant, suitable for industrial working environments.
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Weight
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0.6 kg (Net Weight); Light weight, easy to install and fix, reducing installation load on power distribution equipment.
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Installation Type
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Panel Mounting / Din Rail Mounting (Optional); Equipped with Standard Fixing Holes; Easy to install and disassemble, compatible with standard power distribution cabinet internal mounting specifications.
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Heat Dissipation Mode
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Natural Heat Dissipation + Shell Heat Dissipation; Heat Dissipation Efficiency: ≥ 85%; Efficient heat dissipation, ensuring the protector operates within the safe temperature range for a long time.
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Environmental & Protection Parameters
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Operating Temperature
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-25℃ ~ +70℃ (Ambient Temperature); Stable operation in a wide temperature range, adapting to high-temperature industrial workshops and low-temperature outdoor environments.
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Storage Temperature
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-40℃ ~ +85℃; Stable storage performance, no performance degradation after long-term storage in harsh environments, convenient for transportation and inventory.
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Relative Humidity
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10% ~ 95% (Non-Condensing); Resists humid industrial environments, no short circuit or malfunction caused by humidity, ensuring stable operation in coastal or wet areas.
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Vibration Resistance
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10 ~ 50 Hz, 0.3 mm Amplitude; Resists mechanical vibration generated by industrial equipment operation, ensuring stable electrical performance and mechanical structure, no parameter drift or malfunction.
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Shock Resistance
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15 g (11 ms); Resists mechanical shock caused by equipment transportation or accidental collision, avoiding component damage, ensuring the integrity and reliability of the protector.
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Protection Level
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IP54; Dustproof and Waterproof (Splash-Proof); Prevent dust and water splashing from damaging internal electronic components, ensuring long-term stable operation in industrial on-site environments.
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Service Life
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≥ 50000 Operating Hours (Continuous Operation, Standard Working Conditions); High reliability, reducing maintenance frequency and cost of the power protection system, in line with ABB's high-quality product standards.
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Other Technical Parameters
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Temperature Rise
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≤ 60℃ (Under Rated Power, 25℃ Ambient Temperature); Low temperature rise, ensuring the protector operates within the safe temperature range, avoiding damage to surrounding components.
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Control Signal Type
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Analog Signal (0-10V, 4-20mA) & Digital Signal (TTL); Compatible with standard industrial control signals, ensuring precise monitoring and control of power systems.
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Compatibility
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Perfectly Compatible with ABB Power Distribution Equipment Series; Also compatible with other standard power system equipment with matching voltage and current parameters.
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Factory Calibration
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100% Factory Calibrated; Each relay protector undergoes strict electrical performance, insulation and fault response testing before leaving the factory, ensuring parameters are consistent with ABB official specifications.
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Response Time
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≤ 0.05s (Short-Circuit Protection); ≤ 0.1s (Other Protection Functions); Rapid fault response, minimizing fault damage to power systems and electrical equipment.
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3. We can supply the product in brand new or used condition to meet your requirement.The picture and price show on our store is not real, before purchasing, please contact us to provide you with accurate quotation and real pictures.
4. If you can not find the product you need in our store, please contact us .we will check it for you.