Autonics SFC-422 Safety Controllers
Autonics SFC-422 is a Safety Controllers with 24VDC power supply and P channel FET safety output for machine protection systems. The SFC-422 belongs to Autonics and is part of the SFC Series used in Industrial Automation India. This Autonics Safety Controllers model supports 85–110% allowable voltage range, 2.5W power consumption, ≤100m cable length, dual PNP sub outputs, and load current up to DC 1A.
| Brand | Autonics |
| Product Type | Safety Controller |
| Model Number | SFC-422 |
Autonics SFC-422 Safety Controllers - Technical Specifications
| Specification | Value |
|---|---|
| Power supply | 24VDC |
| Allowable voltage range | 85 to 110% of rated voltage |
| Power consumption | 2.5W |
| Input | ON: ≥11 VDC ≥ 5mA, OFF: ≤ 5VDC ≤ 1mA |
| Cable | ≤ 100m (≤ 100Ω, ≤ 10nF) |
| Safety output | P channel FET |
| Instantaneous | 4 × |
| Sub output | 2 × PNP transistor: X1, X2 (error) |
| Load current | Below 2-point output: ≤ DC 1A, Over 3-point output: ≤ DC 0.8A |
| Leakage current | 0.1mA |
| International standards | IEC/EN 61508 (SIL3), IEC/EN 62061 (SILCL3), IEC/EN 60947-5-1, EN ISO 13849-1 (Category 4, PLe), UL listed E249635 |
| Logical AND connections | No. of connections: max. 4 units, no. of total connections: max. 20 units, No. of layers: max. 5 layers, cable length: max. ≤ 100m |
| Weight | Approx. 70g (approx. 120g) |
The SFC-422 Autonics Safety Controllers is a defined safety control unit used in industrial automation systems. It operates on 24VDC power supply with P channel FET safety output, 2.5W power consumption, and load current capacity up to DC 1A. As part of the SFC Series, SFC-422 ensures structured safety input monitoring and controlled output switching within Industrial Automation India installations.
In conveyors, packaging equipment, automated assembly lines, and machine guarding systems, SFC-422 Autonics Safety Controllers manage safety circuits and emergency stop logic. Defined input voltage thresholds support stable signal detection. The FET safety output allows solid-state switching, while dual PNP transistor sub outputs enable error signaling and integration with control panels.
SFC-422 from the Autonics SFC Series supports dependable machine safety architecture. With its 24VDC supply, allowable voltage range of 85–110%, controlled leakage current of 0.1mA, and structured load handling, it fits standardized safety circuit designs. Autonics defines clear electrical parameters, making SFC-422 Autonics Safety Controllers suitable for professional industrial safety applications.
