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This is the iC60N Miniature Circuit Breaker (MCB) from Schneider Electric Acti9 series. It features a 3-pole design, C-curve tripping characteristic, rated current of 16A and standard breaking capacity of 6kA. It is mounted on industry-standard 35mm DIN rail. Primarily applied to three-phase AC power distribution circuits to provide dual protection against circuit overload and short circuit. Widely used for terminal power distribution in residential buildings, commercial premises and light industrial facilities. Featuring strong versatility, it is compatible with mainstream distribution boxes.
- Model Definition (A9F74316)
Digit-by-digit code interpretation:
- A9: New-generation low-voltage terminal power distribution platform of Schneider Electric Acti9 series
- F: Product line code, belonging to iC60 / iC65 miniature circuit breakers
- 74: Internal combination code, standing for standard configuration of iC60N body, C-curve tripping and 3-pole
- 3: Pole number, 3 Pole (3P)
- 16: Rated operating current, 16A
- Technical Specifications
| Category | Item | Description |
| Basic Properties | Model | A9F74316 (iC60N 3P C16) |
| Pole Number | 3P (3 Pole) | |
| Tripping Curve | C-curve (Instantaneous tripping: 5~10In) | |
| Electrical Parameters | Rated Current (In) | 16A |
| Rated Operational Voltage | AC 230/400V, 50/60Hz | |
| Ultimate Breaking Capacity (Icu) | 6kA (IEC/EN 60898-1); 10kA (IEC/EN 60947-2) | |
| Mounting & Wiring | Mounting Type | Standard 35mm DIN rail |
| Wiring Capacity | Rigid conductor ≤25mm², Flexible conductor ≤16mm² | |
| Physical Dimensions | Overall Size | 85×54×78.5mm |
| Unit Weight | Approx. 0.35kg | |
| Compliance & Certification | Applicable Standards | IEC/EN 60898-1, IEC/EN 60947-2, CCC Certification |
- Cross-brand Equivalents
Below are mainstream imported and domestic models with identical specifications (3P, C16, 6kA breaking capacity) for direct replacement. Fully compatible in electrical performance and mounting dimensions:
| Brand | Equivalent Model | Product Series |
| ABB | S203-C16 | S200 Miniature Circuit Breaker |
| Siemens | 5SJ63 C16 | 5SJ6 Standard MCB Series |
| Chint | NXB-63 3P C16 | NXB-63 Household & Industrial MCB |
| Delixi | DZ47s-63 3P C16 | DZ47s Upgraded MCB Series |
| Nader | NDM1-63 3P C16 | NDM1 Terminal Miniature Circuit Breaker |
- Product Range List
This list covers all current ratings of iC60N 3P C-curve (prefix: A9F743):
- A9F74306 — 3P C6A
- A9F74310 — 3P C10A
- A9F74316 — 3P C16A (Subject model)
- A9F74320 — 3P C20A
- A9F74325 — 3P C25A
- A9F74332 — 3P C32A
- A9F74340 — 3P C40A
- A9F74350 — 3P C50A
- A9F74363 — 3P C63A
- Application Scenarios
6.1 Applicable Scenarios
Residential buildings: Community power distribution rooms, three-phase power inlet for households, public lighting and power circuits of buildings
Commercial premises: Three-phase sockets, lighting circuits and air conditioning units in shops, office buildings and shopping malls
Light industry & computer rooms: Protection for general three-phase loads in small workshops, weak current rooms and control cabinets
General loads: Three-phase lighting circuits, standard power sockets, small fans, water pumps and equipment with low starting current
6.2 Non-applicable Scenarios
Heavy-duty motors, frequently started equipment and high-power compressors (D-curve circuit breakers are recommended)
DC power distribution circuits, high-voltage circuits and special explosion-proof environments
Power distribution systems with short-circuit current requiring breaking capacity higher than 6kA (iC60N high breaking capacity series iC60H is recommended)
