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- Model Code Breakdown
| Segment | Code | Definition |
| A9 | A9 | Product family code for Acti9, Schneider’s standard low-voltage distribution series |
| F | F | Type code for iC65N miniature circuit breaker (MCB); F=iC65, K=iC65N-K, V=Vigi iC65 |
| 18 | 18 | Internal item code for standard iC65N version |
| 2 | 2 | Pole quantity: 2P (2-pole); 1=1P, 2=2P, 3=3P, 4=4P |
| 10 | 10 | Rated current code for 10A; 01=1A, 02=2A, 04=4A, 06=6A, 10=10A, etc. |
Full Model Definition: Schneider Acti9 iC65N standard miniature circuit breaker, 2-pole, C-curve, 10A
- Core Technical Specifications
| Category | Detailed Parameters | Standards & Certifications |
| Basic Ratings | • Family: Acti9 iC65N | IEC 60898-1 |
| • Type: Thermal-magnetic MCB | GB 10963.1 | |
| • Poles: 2P | CCC, CE, CCS Approval | |
| • Rated current (In): 10A @30°C | ||
| • Tripping curve: C-curve (5~10×In) | ||
| • Breaking capacity: 6kA@400V AC, 10kA@380~415V AC, 20kA@220~240V AC, 36kA@12~133V AC | ||
| • Rated operational voltage (Ue): 400V AC 50/60Hz | ||
| • Rated insulation voltage (Ui): 500V AC | ||
| • Rated impulse withstand voltage (Uimp): 6kV | ||
| Mechanical & Electrical Performance | • Mechanical endurance: 20,000 operations | IEC 60947-2 |
| • Electrical endurance: 10,000 operations | ||
| • Current limiting class: Class 3 | ||
| • Disconnector function: Available | ||
| • Operation: Toggle handle | ||
| • Status indication: ON/OFF contact position marker | ||
| • Cable capacity: Solid wire 1~25mm², flexible wire 1~16mm² | ||
| • Strip length: 14mm | ||
| • Tightening torque: 2.5N·m | ||
| Physical Dimensions | • Mounting: DIN rail mount | IEC 60529 |
| • Width: 36mm (4×9mm modular pitch) | ||
| • Height: 94mm | ||
| • Depth: 78.5mm | ||
| • Weight: 206g | ||
| • Ingress protection: IP20 | ||
| Ambient Conditions | • Operating temperature: -35°C ~ +70°C | IEC 60068-1 |
| • Storage temperature: -40°C ~ +85°C | ||
| • Relative humidity: 95% @55°C | ||
| • Pollution degree: Class 3 | ||
| • Damp heat resistance: Grade 2 | ||
| Sustainability Features | • Green Premium certified product | China Green Design Product Certification |
| • Compliant with EU RoHS Directive | ||
| • SVHC-free per REACH regulation | ||
| • Mercury-free construction | ||
| • Product lifecycle carbon footprint: 4kg CO₂ equivalent |
- Full Part Number List (iC65N 2P C Curve Range)
| Part No. | Description | Rated Current |
| A9F18201 | iC65N 2P C1A | 1A |
| A9F18202 | iC65N 2P C2A | 2A |
| A9F18203 | iC65N 2P C3A | 3A |
| A9F18204 | iC65N 2P C4A | 4A |
| A9F18206 | iC65N 2P C6A | 6A |
| A9F18210 | iC65N 2P C10A | 10A |
| A9F18213 | iC65N 2P C13A | 13A |
| A9F18216 | iC65N 2P C16A | 16A |
| A9F18220 | iC65N 2P C20A | 20A |
| A9F18225 | iC65N 2P C25A | 25A |
| A9F18232 | iC65N 2P C32A | 32A |
| A9F18240 | iC65N 2P C40A | 40A |
| A9F18250 | iC65N 2P C50A | 50A |
| A9F18263 | iC65N 2P C63A | 63A |
Full series coverage: 1P/2P/3P/4P, B/C/D tripping curves, rated current from 1A to 63A
- Cross-Brand Reference & Replacement Options
4.1 In-brand Schneider Replacements
| Original PN | Replacement PN | Specification Difference |
| A9F18210 (iC65N 2P C10A) | A9F19210 (iC65H 2P C10A) | Higher breaking capacity: up to 15kA@400V vs original 10kA |
| A9F18210 | A9F20210 (iC65L 2P C10A) | Industrial grade, enhanced current-limiting performance |
| A9F18210 | A9F75210 (iDPNa 2P C10A) | Compact 1P+N design with only 18mm width |
4.2 Cross-Brand Equivalent List
| Schneider | ABB | Siemens | Delixi |
| A9F18210 (iC65N 2P C10A) | S201-C10 (2P) | 5SY6210-7CC | HDBE-63 C10 2P |
| Breaking capacity:6kA@400V | Breaking capacity:6kA@400V | Breaking capacity:6kA@400V | Breaking capacity:6kA@400V |
| C-curve (5~10×In) | C-curve (5~10×In) | C-curve (5~10×In) | C-curve (5~10×In) |
- Application Scope & Industry Cases
5.1 Recommended Applications
| Application Field | Typical Usage | Selection Advantages |
| Civil Buildings | Overcurrent protection for lighting & socket circuits in residential and commercial buildings | C-curve matches general loads; IP20 protection, quick DIN installation |
| Industrial Control | Power protection for small motor control loops and PLC power supply | Class3 current limiting, fast reliable short-circuit protection |
| Public Infrastructure | Security alarm, fire alarm and low-voltage auxiliary systems | Wide operating temperature range (-35°C~70°C), stable in harsh environments |
| Data Center | Branch circuit protection for server cabinets & network equipment | Long mechanical/electrical service life for frequent switching |
| New Energy | Output-side protection for PV inverters and energy storage branch circuits | High breaking capacity plus certified disconnector safety function |
5.2 Non-Recommended Application Scenarios
Direct-on-line large motors: select D-curve or motor-specific MCB instead
Frequently switched heavy inductive loads: configure contactor + thermal overload relay
DC circuits: adopt iC65-DC series with part numbers starting with A9F8
High altitude (>2000m): derate rated current or specify altitude-adapted dedicated models
5.3 Typical Application Cases
Case 1: Lighting System of Commercial Complex
Application: Branch protection for public area lighting circuits in shopping mall
Configuration: A9F18210 (2P C10A) for each 10A lighting feeder
Outcome: Overload & short-circuit protection; paired with Vigi residual current accessory A9V52210 for earth leakage protection, complying with GB 50054 electrical code for buildings
Case 2: Control Circuit for Automated Production Line
Application: Power protection for PLC input modules & secondary control loops
Configuration: A9F18210 as backup protection of control transformer secondary side
Advantage: Excellent current limiting cuts off short-circuit instantly to safeguard PLC modules against damage
- Common Fault Troubleshooting
| Fault Symptom | Root Cause | Remedial Action |
| Frequent unwanted tripping | 1. Circuit overload | 1. Reduce connected load or upgrade higher rated breaker |
| 2. Wiring short-circuit | 2. Inspect cable insulation and eliminate short fault | |
| 3. Mismatched tripping curve | 3. Replace with matched curve (e.g. D-curve) | |
| 4. Excessive ambient temperature | 4. Improve cabinet ventilation to lower surrounding temp | |
| Unable to close ON | 1. Not reset after fault trip | 1. Toggle handle fully OFF then reclose ON |
| 2. Internal mechanism jamming | 2. Inspect mechanical parts or replace breaker if damaged | |
| 3. Loose terminal wiring | 3. Retighten terminals to 2.5N路m torque | |
| 4. Persistent downstream short-circuit | 4. Clear short-circuit fault before re-energizing | |
| Incorrect handle position indication | 1. Damaged position indicator component | 1. Inspect indicator window and replace unit as needed |
| 2. Failed internal linkage mechanism | 2. Contact Schneider after-sales service |
- Air Shipment Compliance & Certifications
7.1 Air Transport Compliance
Product construction: No built-in lithium battery / supercapacitor, classified as general electrical equipment
Shipping classification: Non-dangerous goods, compliant with IATA DGR Clause 9
Packaging requirement: Standard industrial carton to avoid transit mechanical damage
7.2 Main Certification Summary
| Certificate Type | Certificate No. | Valid Application Region |
| CCC Approval | 2.02001E+15 | Domestic sales & installation in China |
| CE Certificate | 0081/CE | EU & European Economic Area |
| CCS Marine Approval | CCS-ZY-2021-001 | Onboard marine electrical systems |
| RoHS Compliance | Compliant with Directive 2011/65/EU | Restricted hazardous substances per EU environmental regulation |
- Quick Selection Rules & Mnemonic
Mnemonic (Engineering Summary)
Remember PN A9F18210: 2P C10 rating confirmed
Six kiloamp breaking, safe for lamp and socket conformation
Standard Acti9 range, easy DIN rail fixation
C-curve trips at five-to-ten In, dual protection from overload & short condition
Quick Look-up Rules
- Pole identification: 4th digit of PN = pole count (1=1P,2=2P,3=3P,4=4P)
- Current reading: Last two digits denote rated amp (01=1A,06=6A,10=10A,63=63A)
- Curve selection: C=general-purpose standard; B=precision electronics; D=heavy-duty motor loads
- Breaking capacity code: N=6kA, H=10kA, L=15kA @400V AC
