SIEMENS
Industrial-grade green LED module (230 V AC) for front‑plate mounting — spring‑terminal connection, robust insulation, low current draw, and long lifetime.
Backorder available · Factory lead time 2–3 weeks.
The Siemens 3SU1401-1BF40-3AA0 is a high-quality LED module from the SIRIUS ACT series, designed for reliable industrial control and signalling applications. It features an integrated green LED operating at 230 V AC, with spring‑type terminals for easy wiring. The module is built for front‑plate mounting, making it ideal for control panels, push‑buttons, and indicator assemblies in industrial machinery.
Operating voltage: 230 V AC (50/60 Hz)
Maximum current consumption: 20 mA
Insulation voltage: 320 V
Light source: LED, color green
Light intensity: 900–1,400 mcd
Connection: spring‑loaded terminals; supports conductor cross‑sections 0.25–1.5 mm²
Mounting: front‑plate mounting
Environmental / mechanical: IP40 (enclosure) / IP20 (terminals) protection; operating temperature range –25 … +70 °C
Surge voltage resistance: 4 kV
Typical service life: approx. 100,000 hours
Reliable indication — The bright green LED offers clear visual signalling in control panels or operator stations, enhancing safety and usability.
Low power consumption — At only 20 mA, this module is energy‑efficient while maintaining bright illumination.
Easy installation — Spring‑type terminals and front‑plate mounting enable fast, tool-free assembly on standard control panels.
Durable and robust — With 320 V insulation rating and surge resistance up to 4 kV, it withstands electrical stress in industrial environments.
Long lifetime — Up to ~100,000 hours of LED service life reduces maintenance and replacement frequency.
Wide compatibility — Designed for 230 V AC systems, ideal for industrial machinery, control cabinets, and automation setups.
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| SKU / Model | 3SU1401-1BF40-3AA0 |
|---|---|
| Brand | SIEMENS |
| product brand name | SIRIUS ACT |
| product designation | LED module |
| product type designation | 3SU1 |
| product component | - |
| ● diode | Yes |
| ● lamp transformer | No |
| ● light source | Yes |
| ● series resistor | No |
| insulation voltage rated value | 320 V |
| degree of pollution | 3 |
| type of voltage of the operating voltage | AC |
| ● for actuation | AC |
| surge voltage resistance rated value | 4 kV |
| consumed current maximum | 20 mA |
| protection class IP | - |
| ● of the enclosure | IP40 |
| ● of the terminal | IP20 |
| shock resistance | - |
| ● acc. to IEC 60068-2-27 | Sinusoidal half-wave 50g / 11 ms |
| vibration resistance | - |
| ● acc. to IEC 60068-2-6 | 10 ... 500 Hz: 5g |
| ● for railway applications acc. to DIN EN 61373 | Category 1, Class B |
| operating period typical | 100 000 h |
| reference code acc. to IEC 81346-2 | P |
| operating voltage 1 | - |
| ● at AC | - |
| — at 50 Hz rated value | 230 V |
| — at 60 Hz rated value | 230 V |
| relative positive tolerance of the operating voltage | 20 % |
| relative negative tolerance of the operating voltage | 20 % |
| inrush current maximum | 3 A |
| type of electrical connection | spring-loaded terminals |
| type of connectable conductor cross-sections | - |
| ● solid without core end processing | 2x (0.25 ... 1.5 mm²) |
| ● finely stranded with core end processing | 2x (0.25 ... 0.75 mm²) |
| ● finely stranded without core end processing | 2x (0.25 ... 1.5 mm²) |
| ● at AWG cables | 2x (24 ... 16) |
| type of light source | LED |
| color of the light source | green |
| light intensity | 900 ... 1 400 mcd |
| certificate of suitability | - |
| ● ATEX | No |
| ● IECEx | No |
| ambient temperature | - |
| ● during operation | -25 ... +70 °C |
| ● during storage | -40 ... +80 °C |
| environmental category during operation acc. to IEC 60721 | 3M6, 3S2, 3B2, 3C3, 3K6 (with relative air humidity of 10 ... 95 %, no condensation in operation permitted) |
| fastening method | - |
| ● of modules and accessories | Front plate mounting |
| last modified: | 10/6/2021 |
| Weight | 0.009 kg |
| Dimensions | 30.00 × 40.00 × 10.00 mm |
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