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| Model Part | Meaning |
| SC | Series identifier for Fuji standard magnetic contactors |
| N6 | Frame size, corresponding to rated current class |
| DC24‑AC220V | Coil voltage specification. Adopts SUPER MAGNET technology, supports wide voltage input from DC24V to AC220V, with AC input and DC operation |
- Core Technical Parameters
2.1 Main Contact Specifications
Poles: 3 poles (3P)
Rated current:
JIS AC-3 200–240V: 125A
Thermal current (Ith): 150A
Motor control capacity:
200–240V: 30kW
380–440V: 55kW
Rated voltage: Up to 600V AC
2.2 Auxiliary Contact Specifications
Standard configuration: 2NO + 2NC (2 normally open + 2 normally closed)
Contact type: Bifurcated type for improved contact reliability
Minimum applicable circuit: 5V, 3mA
2.3 Coil and Operating Characteristics
Technical feature: SUPER MAGNET electronically controlled coil with built-in IC
Operating principle: AC input, DC operation. Sealed current is controlled by a switching circuit after closing, greatly reducing power consumption
Voltage adaptability: Wide voltage range, no chattering, preventing contact welding or coil burnout
Control voltage: Compatible input from DC24V to AC220V
Mechanical endurance: 5 million operations
Electrical endurance: 1 million operations (AC-3)
Operating frequency: Max. 1200 operations/hour
- Advantages of SUPER MAGNET Technology
- Dual power compatibility: Supports both AC and DC power input without coil replacement
- Energy efficiency: Significantly lower power consumption after closing, more cost-effective than conventional coils
- Improved reliability: Eliminates chattering common in AC coils, reducing contact wear and welding risks
- Wide voltage range: Adapts to various power supply environments and enhances application flexibility
- Application Scenarios
Control of three-phase asynchronous motors (AC-3 load)
Power distribution and control in industrial automation systems
Control circuits for equipment requiring frequent starting and stopping
Sites with unstable power voltage or multiple power types
Control applications requiring low power consumption and high reliability
- Installation and Selection Guidelines
- Mounting method: 35mm standard DIN rail mounting (IEC compliant)
- Selection notes:
Ensure control circuit voltage is within DC24V to AC220V
Select appropriate rated current based on load type (AC-3 / AC-1)
Verify auxiliary contact quantity meets control requirements; expandable via optional modules
- Maintenance tips: Regularly inspect contact conditions of main and auxiliary contacts to ensure proper heat dissipation
Fuji SC-N6-DC24-AC220V is a high-performance magnetic contactor in Fuji Electric’s SC series. It features advanced SUPER MAGNET technology and supports wide voltage control input from DC24V to AC220V. It is suitable for three-phase motor control up to 125A / 30kW (240V) or 55kW (440V). Its dual power compatibility, low power consumption, and high reliability make it an ideal choice in industrial automation.
Comparison of Fuji SC-N Series Contactors and Cross-Brand Selection Reference
- Key Parameter Comparison Table for Fuji SC-N Series Models
| Item | SC‑N3 | SC‑N6 | SC‑N12 | SC‑N16 |
| Frame size | N3 | N6 | N12 | N16 |
| Rated current (JIS AC‑3 200–240V) | 65A | 125A | 180A | 220A |
| Thermal current (Ith) | 100A | 150A | 200A | 250A |
| Motor capacity (200–240V) | 15kW | 30kW | 45kW | 55kW |
| Motor capacity (380–440V) | 30kW | 55kW | 75kW | 90kW |
| Standard auxiliary contacts | 2NO+2NC | 2NO+2NC | 2NO+2NC | 2NO+2NC |
| SUPER MAGNET technology | ❌ | ✅ | ✅ | ✅ |
| Coil voltage range | Fixed voltage | Wide voltage DC24V–AC220V | Wide voltage DC24V–AC220V | Wide voltage DC24V–AC220V |
| Operating principle | AC operation | AC input, DC operation | AC input, DC operation | AC input, DC operation |
| Mechanical endurance | 10 million times | 5 million times | 5 million times | 5 million times |
| Electrical endurance (AC‑3) | 2 million times | 1 million times | 1 million times | 1 million times |
| Operating frequency | 1200 operations/hour | 1200 operations/hour | 1200 operations/hour | 1200 operations/hour |
| Weight (kg) | Approx. 1.2 | Approx. 2.0 | Approx. 2.8 | Approx. 3.5 |
| Mounting | 35mm DIN rail / IEC screw mounting | 35mm DIN rail / IEC screw mounting | 35mm DIN rail / IEC screw mounting | 35mm DIN rail / IEC screw mounting |
Key Differences
- SUPER MAGNET technology: Equipped only on SC-N6 and above, enabling AC/DC dual compatibility, wide voltage, low power consumption, and chattering-free operation
- Rated current and capacity: Increase stepwise with frame size
- Endurance: SC-N3 has longer mechanical life (10 million times) due to no electronic control, but same electrical life as SC-N6
- Coil characteristics: SC-N6/N12/N16 use electronically controlled coils with wide voltage input; SC-N3 uses fixed-voltage coils
- Alternative Models for SC-N6 from Major Brands
2.1 Schneider Alternative Models
| Fuji Model | Schneider Alternative | Matching Key Parameters | Notes |
| SC‑N6‑DC24‑AC220V | LC1D115… | 3P, 115A (AC‑3), 30kW(240V)/55kW(440V) | Standard aux: 1NO+1NC (expandable to 2NO+2NC via option) |
| LC1D125… | 3P, 125A (AC‑3), 37kW(240V)/75kW(440V) | Slightly higher capacity, 1NO+1NC aux | |
| LC1D115…+LADN22 | 3P, 115A, 2NO+2NC aux | Requires additional auxiliary module |
Recommended: LC1D115M7C (AC220V coil) + LADN22 (2NO+2NC aux), fully matches SC-N6 performance and contacts
2.2 Siemens Alternative Models
| Fuji Model | Siemens Alternative | Matching Key Parameters | Notes |
| SC‑N6‑DC24‑AC220V | 3RT2036‑1… | 3P, 125A (AC‑3), 30kW(240V)/55kW(440V) | Standard aux: 1NO+1NC (expandable) |
| 3RT2036‑1AG20 | 3P, 125A, AC220V coil, 1NO+1NC | Add 3RH6122‑1AP00 aux module | |
| 3RT2036‑1BG20 | 3P, 125A, DC24V coil, 1NO+1NC | Fixed voltage only |
Recommended: 3RT2036-1AG20 + 3RH6122-1AP00, matches current, capacity, and 2NO+2NC configuration
2.3 Mitsubishi Alternative Models
Alternative models: S-N125 / S-K125
Key parameters: 3P, 125A (AC-3), 30kW(240V)/55kW(440V), 2NO+2NC aux
Difference: Fixed-voltage coil only; no wide voltage DC24V–AC220V support
- Notes on Cross-Brand Replacement
- Wide voltage compatibility: SC-N6’s SUPER MAGNET is unique; most Schneider/Siemens equivalents use fixed-voltage coils. Select coil voltage according to actual power supply
- Auxiliary contact configuration: SC-N6 includes 2NO+2NC standard; most competitors supply 1NO+1NC, requiring additional modules
- Mounting dimensions: Dimensions vary by brand; verify installation space before replacement
- Operating frequency and endurance: SC-N6 mechanical endurance 5 million, electrical 1 million (AC-3); replacements should meet or exceed these values
- Control circuit design: If system uses SC-N6’s dual AC/DC feature, ensure new contactor coil matches control power
- Conclusion
The Fuji SC-N6-DC24-AC220V offers unique advantages in industrial automation thanks to SUPER MAGNET technology: wide voltage compatibility, low power consumption, and high reliability. For cross-brand replacement, Schneider LC1D115 series or Siemens 3RT2036 series with auxiliary modules are recommended to match electrical performance and functions.
Complete Model List and Core Parameters of Fuji (Fuji) Contactors
- Core Series Overview
Fuji contactors are identified primarily by SC. Main series include SC-N (NEO SC), SC-E, SC-NEXT, SC-0, FJ/SL, covering a full range from 9A to 800A, classified by frame size and technical features.
- Complete Model List of Main Series
2.1 SC-N Series (NEO SC, Classic High-Performance Series)
Features: SUPER MAGNET electronically controlled coil, AC/DC dual compatibility, wide voltage, high reliability, electrical endurance up to 1 million operations for selected models.
| Model | Rated Current (AC‑3, 200–240V) | Motor Capacity (200–240V) | Coil Voltage Range | Key Features |
| SC‑N1 | 9A | 2.2kW | DC24V~AC220V | Compact, basic control |
| SC‑N2 | 12A | 3kW | DC24V~AC220V | General purpose |
| SC‑N2S | 18A | 4.5kW | DC24V~AC220V | High‑capacity compact |
| SC‑N3 | 26A | 7.5kW | DC24V~AC220V | 2 million electrical operations |
| SC‑N4 | 36A | 11kW | DC24V~AC220V | Standard medium size |
| SC‑N5 | 50A | 15kW | DC24V~AC220V | Medium‑large capacity |
| SC‑N6 | 125A | 30kW | DC24V~AC220V | SUPER MAGNET, your model |
| SC‑N7 | 150A | 37kW | DC24V~AC220V | High performance |
| SC‑N8 | 180A | 45kW | DC24V~AC220V | High current |
| SC‑N9 | 200A | 50kW | DC24V~AC220V | Heavy‑duty |
| SC‑N10 | 225A | 55kW | DC24V~AC220V | Industrial grade |
| SC‑N11 | 250A | 65kW | DC24V~AC220V | Heavy industrial |
| SC‑N12 | 280A | 75kW | DC24V~AC220V | Heavy equipment |
| SC‑N14 | 315A | 90kW | DC24V~AC220V | Extra‑large capacity |
| SC‑N16 | 360A | 110kW | DC24V~AC220V | Top high current |
2.2 SC-E Series (Economic General-Purpose Series)
Features: Simple structure, cost-effective, suitable for general industrial control, some support direct wiring.
| Model | Rated Current (AC‑3) | Motor Capacity (380V) | Auxiliary Contacts | Coil Voltage |
| SC‑E02 | 9A | 2.2kW | 1a1b | AC220V/DC24V |
| SC‑E03 | 12A | 3kW | 1a1b | AC220V/DC24V |
| SC‑E04 | 18A | 4.5kW | 1a1b | AC220V/DC24V |
| SC‑E05 | 25A | 7.5kW | 1a1b | AC220V/DC24V |
| SC‑E1 | 32A | 11kW | 1a1b | AC220V/DC24V |
| SC‑E2 | 40A | 15kW | 1a1b | AC220V/DC24V |
| SC‑E3 | 50A | 22kW | 1a1b | AC220V/DC24V |
| SC‑E4 | 80A | 22–40kW | 2a2b | AC220V/DC24V |
| SC‑E5 | 105A | 30–55kW | 2a2b | AC220V/DC24V |
| SC‑E6 | 125A | 37–60kW | 2a2b | AC220V/DC24V |
2.3 SC-NEXT Series (New Generation Upgraded Series)
Features: Global certifications (IEC/UL/CSA), compact design, high durability, new 11–18A ratings.
| Model | Rated Current (AC‑3) | Application | Coil Voltage | Certifications |
| SC‑NEXT‑03 | 9A | Precision equipment | DC24V/AC110/220V | IEC/UL/CSA |
| SC‑NEXT‑05 | 12A | Small motors | DC24V/AC110/220V | IEC/UL/CSA |
| SC‑NEXT‑1 | 18A | General control | DC24V/AC110/220V | IEC/UL/CSA |
| SC‑NEXT‑2 | 25A | Medium equipment | DC24V/AC110/220V | IEC/UL/CSA |
2.4 SC-0 Series (Elevator-Specific / Compact Series)
Features: Designed for elevator control, AC/DC compatible, compact size, high reliability.
| Model | Type | Rated Current | Coil Voltage | Application |
| SC‑03 | AC/DC | 9A | AC110/220V/DC24V | Elevator door control |
| SC‑05 | AC/DC | 12A | AC110/220V/DC24V | Elevator auxiliary control |
| SC‑4‑1 | AC/DC | 20A | AC110/220V/DC24V | Elevator main circuit |
2.5 Other Series
FJ Series: Economic low-to-medium current, 6–12A frame, compact and lightweight, electrical endurance 800,000 operations
SL Series: Silent type, noise reduced by 10–15dB, AC/DC compatible, built-in surge absorption
Vacuum Contactors (VMC): HN46 series for high-voltage special applications, e.g. HN46AP / HN46AJ
- Quick Model Naming Rules
- Prefix: SC = magnetic contactor, SW = magnetic starter, SK = legacy series
- Middle code:
N series: N1–N16 = frame size; higher number = larger capacity
E series: E02–E6 = capacity rating
NEXT: new generation
- Suffix:
/DC24-AC220V: wide-voltage coil (standard on SC-N6/N12/N16)
/G: DC coil type (SC-0 series)
/CCC: China CCC certified
Auxiliary contacts: a = NO, b = NC, e.g. 2a2b = 2NO+2NC
- Highlighted Models (Including SC-N6)
| Model | Key Parameters | Application | Alternative Reference |
| SC‑N6‑DC24‑AC220V | 125A(AC‑3), 30kW(240V)/55kW(440V), 2NO+2NC, SUPER MAGNET | Three‑phase motors, automation, frequent duty | Schneider LC1D125+LADN22; Siemens 3RT2036+3RH6122 |
| SC‑N3 | 26A(AC‑3), 7.5kW(240V), 2M electrical operations | Small motors, general control | Mitsubishi SN25 |
| SC‑E6 | 125A(AC‑3), 60kW(380V), 2a2b aux | Economic high‑current control | Chint NC1‑125 |
| SC‑NEXT‑1 | 18A(AC‑3), global cert, compact | Export equipment, precision control | Siemens 3RT2017 |
- Key Selection Tips
- Coil voltage: Confirm control power supply; mainstream models like SC-N6 support DC24V~AC220V wide voltage
- Contact configuration: SC-N series include 2NO+2NC standard; most alternatives require add-on modules
- Load type: Significant current difference between AC-3 (motor) and AC-1 (resistive); select accordingly
- Endurance requirement: Below SC-N3: 2 million electrical operations; SC-N6 and above: 1 million; choose high-endurance models for high-frequency use
![NXC-65 from the Kunlun Series by CHINT Electric is a 3-pole AC contactor, rated at 65A in the NXC series. The full model is typically expressed as NXC-65 [Coil Voltage] [Frequency]](https://www.bestcontactor.com/wp-content/uploads/2026/04/ScreenShot_2026-01-30_132315_324-419x560.png "NXC-65 from the Kunlun Series by CHINT Electric is a 3-pole AC contactor, rated at 65A in the NXC series. The full model is typically expressed as NXC-65 [Coil Voltage] [Frequency]")
