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ABB S202-D10 2CDS252001R0101 Miniature Circuit Breaker  

1. Key Parameters

• Product Model: S202-D10 (Ordering Part Number: 2CDS252001R0101)
• Product Series: ABB S200 Series Miniature Circuit Breakers (Low-Voltage Residential/Commercial/Light Industrial Protection)
• Core Function: Protects 2-pole (line + neutral) low-voltage circuits from overcurrent and short-circuit faults; provides thermal-magnetic tripping for overload/short-circuit discrimination; enables manual reset after faults; integrates with standard DIN rail distribution boards
• Electrical & Protection Specifications:

  Parameter	Details	Performance Metrics
  Pole & Connection	- Poles: 2 (line + neutral, full-circuit disconnection) - Terminal Type: Screw terminals (accepts 0.5mm²~10mm² copper; 1.5mm²~6mm² aluminum conductors) - Wire Stripping Length: 8mm (ensures secure, low-resistance termination)	2-pole design eliminates "neutral float" risk (voltage on neutral wire), critical for protecting sensitive equipment (e.g., laptops, smart TVs) and user safety
  Current & Tripping	- Rated Current (In): 10A (matched to medium-power loads) - Overload Tripping Range: 1.05×In (no trip) ~ 1.45×In (trip, ≤1 hour) - Short-Circuit Tripping Current (Isc): ≥5×In (instantaneous trip, <0.1s) - Breaking Capacity (Icu): 10kA (at 230V AC, 50Hz); 6kA (at 400V AC, 50Hz)	Thermal-magnetic tripping discriminates between temporary overloads (slow trip) and dangerous short circuits (fast trip); 10kA breaking capacity handles high short-circuit currents in commercial/industrial wiring
  Voltage & Isolation	- Rated Voltage (Ue): 230V AC (single-phase, line-neutral); 400V AC (line-line) - Frequency: 50Hz/60Hz (universal compatibility) - Dielectric Strength: 2kV AC (between poles/terminals to housing, 1 minute)	Universal voltage/frequency support suits global electrical systems (e.g., 230V AC in Europe, 120V AC in North America with derating); high dielectric strength prevents leakage current

• Mechanical & Operational Specifications:

  Parameter	Details	Performance Metrics
  Mechanical Design	- Dimensions: 18mm (W) × 89mm (H) × 65mm (D) - Mounting Type: 35mm DIN rail (EN 50022, tool-less installation) - Housing Material: Flame-retardant thermoplastic (UL 94 V0, self-extinguishing) - Weight: Approximately 58g - Operating Mechanism: Toggle switch (on/off/tripped positions, tactile feedback)	Ultra-narrow 18mm width enables dense DIN rail mounting (up to 55 units per meter); compact size fits standard residential/commercial distribution boards
  Tripping & Indication	- Tripping Mechanism: Thermal (bimetallic strip for overloads) + magnetic (electromagnet for short circuits) - Reset Type: Manual (physical toggle to "on" after fault resolution) - Trip Indicator: Visual (toggle moves to intermediate "tripped" position; no power to load)	Thermal element adapts to temperature variations (-25℃~+60℃); magnetic element ensures fast short-circuit response, minimizing arc damage

• Environmental Ratings:

  Parameter	Details	Performance Metrics
  Operating Conditions	- Operating Temperature Range: -25℃~+60℃ (-13℉~140℉) - Storage Temperature Range: -40℃~+85℃ (-40℉~185℉) - Humidity Tolerance: 5%~95% RH (non-condensing, 40℃) - Vibration Resistance: 10~500Hz, 1g acceleration (IEC 60068-2-6) - EMC Compliance: EN 61000-6-2 (immunity: Level 2)	Wide temperature range suits unconditioned spaces (e.g., attic/basement distribution boards); EMC immunity resists interference from household/commercial equipment (e.g., microwaves, VFDs)

• Compliance Standards: CE, UL 489, CSA C22.2 No.5, IEC 60898-1 (MCBs for household and similar uses), RoHS, ISO 9001 |

2. Core Features

• 2-Pole Full-Circuit Protection: Disconnects both line and neutral conductors during faults—eliminates the risk of residual voltage on the neutral wire, which could damage sensitive electronics (e.g., smartphones, home theater systems) or cause electric shock to users.
• Thermal-Magnetic Tripping: Combines a bimetallic strip (overload protection) and electromagnet (short-circuit protection)—avoids nuisance tripping from temporary inrush currents (e.g., refrigerator startup) while rapidly interrupting dangerous short circuits (≤0.1s), balancing safety and usability.
• High Breaking Capacity: 10kA breaking capacity at 230V AC—safely interrupts high short-circuit currents common in commercial/light industrial wiring (e.g., faulty motor windings) without MCB damage, preventing electrical arcs and fires.
• Compact DIN Rail Design: 18mm width fits standard DIN rail enclosures—enables easy expansion of electrical systems (e.g., adding a new HVAC circuit to a home) or dense mounting in commercial distribution boards, saving space and installation costs.
• Flame-Retardant Durability: UL 94 V0 thermoplastic housing—resists ignition and stops flame spread during internal arcing, meeting strict fire safety standards for residential (IEC 60364) and commercial (NFPA 70) buildings.
• Universal Compatibility: Accepts copper/aluminum conductors (0.5mm²~10mm²) and works with 50/60Hz, 230V/400V AC systems—simplifies installation in global markets and retrofitting of older circuits (common in light industrial workshops).
• Clear Trip Indication: Toggle switch moves to a distinct "tripped" position—provides immediate visual confirmation of a circuit fault, helping users quickly identify and resolve issues (e.g., unplugging a faulty appliance) before resetting.

3. Application Fields

• Residential Electrical Systems: Medium-Power Load Protection:
  • Household Appliances: Safeguards 10A circuits for medium-power appliances (e.g., washing machines, electric ovens, space heaters)—thermal-magnetic tripping handles startup inrush without nuisance trips; 2-pole design protects against neutral faults.
  • HVAC Auxiliaries: Protects 10A circuits for HVAC components (e.g., air conditioner fan motors, heat pump compressors)—wide temperature range (-25℃~+60℃) suits outdoor/attic installations; high breaking capacity withstands motor short circuits.
• Commercial Spaces: Office & Retail Circuit Safety:
  • Office Equipment Zones: Protects 10A circuits for clusters of office equipment (e.g., 4~5 desktop computers + printers)—dense DIN rail mounting fits in compact server room panels; EMC immunity resists interference from electronics.
  • Retail Display Systems: Safeguards 10A circuits for medium-power display lighting (e.g., LED video walls, heated display cases)—flame-retardant housing reduces fire risk in crowded retail spaces; manual reset prevents unattended circuit restoration.
• Light Industrial & Workshops: Small Motor & Tool Protection:
  • Workshop Tools: Protects 10A circuits for small 1-phase motors (e.g., 2kW drill presses, 1.5kW bench grinders)—thermal element handles motor overloads (e.g., jammed drills); magnetic element trips fast on winding short circuits.
  • Warehouse Auxiliaries: Safeguards 10A circuits for conveyor belt motors (small) and pallet jack chargers—2-pole design ensures full power disconnection during maintenance; vibration resistance prevents accidental tripping.
• Institutional Facilities: School & Hospital Circuitry:
  • Classroom Electrical Outlets: Protects 10A circuits for classroom equipment (e.g., projectors, science lab tools)—manual reset requires staff intervention, preventing students from restoring power to faulty circuits.
  • Hospital Exam Rooms: Safeguards 10A circuits for medical equipment (e.g., small ultrasound machines, exam lights)—high dielectric strength prevents leakage current, ensuring patient safety; flame-retardant housing meets healthcare fire codes.
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The structure and details of the product：

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