Autonics SFC-R412 Safety Relay Units
Autonics SFC-R412 is a Safety Relay Units with 24VDC power supply and relay (A contact) safety output for machinery protection systems. The SFC-R412 belongs to Autonics and is part of the SFC Series used in Industrial Automation India. This Autonics Safety Relay Units model supports 85–110% allowable voltage range, 4.0W power consumption, ≤100m cable length, manual feedback start ≥100ms, and max 100mA load current.

| Brand | Autonics |
| Product Type | Safety Controller |
| Model Number | SFC-R412 |
Autonics SFC-R412 Safety Relay Units - Technical Specifications
| Specification | Value |
|---|---|
| Power supply | 24VDC |
| Allowable voltage range | 85 to 110% of rated voltage |
| Power consumption | 4.0W |
| Input | ON: ≥11 VDC ≥ 5mA, OFF: ≤ 5VDC ≤ 1mA |
| Input time | ≥ 50ms, feedback start (manual) : ≥ 100ms |
| Cable | ≤ 100m (≤ 100Ω, ≤ 10nF) |
| Safety output | Relay (A contact) |
| Instantaneous | 4 × |
| Capacity | 240 VAC~ 5A, 30 VDC 5A |
| Life expectancy | Mechanical: ≥ 10,000,000 operations, Malfunction: ≥ 50,000 operations |
| Contact resistance | ≤ 100mΩ |
| Inductive load switching | IEC60947-5-1: AC-15 (230 V/2 A), DC-13 (24 V/1.5 A), UL508: B300/R300 |
| Conditional short circuit current | 100A |
| Sub output | 1 × PNP transistor: X1 |
| Load current | Max. 100mA |
| 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 |
| Weight | Approx. 110g (approx. 160g) |
The SFC-R412 Autonics Safety Relay Units is a defined safety relay device within industrial automation systems. It operates on 24VDC power supply and provides relay (A contact) safety output with 4.0W power consumption and ≤100m cable specification. As part of the SFC Series, SFC-R412 ensures structured monitoring of safety inputs and controlled relay switching in Industrial Automation India environments.
In conveyors, packaging machines, automated assembly lines, and machine guarding systems, SFC-R412 Autonics Safety Relay Units manage emergency stop circuits and interlock logic. Defined input thresholds and ≥50ms response timing support stable signal processing. The relay output enables direct switching of safety loads, while the PNP transistor sub output supports status monitoring and diagnostic integration.
SFC-R412 from the Autonics SFC Series supports dependable safety relay control for industrial equipment. With its 24VDC supply, allowable voltage range of 85–110%, load current up to 100mA, and structured timing parameters, it fits standardized safety architectures. Autonics maintains defined electrical characteristics, making SFC-R412 Autonics Safety Relay Units suitable for professional safety system implementation.


