Siemens 6AG1421-1BL01-2AA0 — now in phase-out and being discontinued. Supplied from remaining channel stock; full specifications, lifecycle and same-series options are below.
| Parameter | Value |
|---|---|
| Power loss (typ.) | 6 W |
| Parameter | Value |
|---|---|
| Width | 25 mm |
| Height | 290 mm |
| Depth | 210 mm |
| Weight (approx.) | 500 g |
| Parameter | Value |
|---|---|
| Operating temperature, max. | 70 °C |
| Operating temperature, min. | -40 °C |
| Ambient temperature vs. altitude / pressure | Tmin ... Tmax at 1 140 hPa ... 795 hPa (-1 000 m ... +2 000 m) // Tmin ... (Tmax - 10 K) at 795 hPa ... 658 hPa (+2 000 m ... +3 500 m) // Tmin ... (Tmax -20 K) at 658 hPa ... 540 hPa (+3 500 m ... +5 000 m) |
| Installation altitude, max. | 5 000 m |
| Conformal coating (IPC-CC-830A) | Yes; Conformal coating, Class A |
| Pollution protection (EN 60664-3) | Yes; Type 1 protection |
| Corrosive-gas conditions (ISA-71.04) | Yes; Level GX group A/B (excluding trichlorethylene; harmful gas concentrations up to the limits of EN 60721-3-3 class 3C4 permissible); level LC3 (salt spray) and level LB3 (oil) |
The 6AG1421-1BL01-2AA0 is a Siemens SIPLUS S7-400 SM 421 digital input module with 32 inputs rated at 24 V DC, featuring conformal coating for extended environmental protection. Operating temperature range is -25 °C to +60 °C; power consumption is 6.0 W. Dimensions are 25 mm wide, 290 mm high, 210 mm deep.
This module is in phase-out status with a discontinued date of 2025-10-07. Evaluate long-term spares or migration plans accordingly.
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