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Siemens SIRIUS ACT Series Green LED Light Block with Screw Terminals 24 V AC/DC 20mA Current Rating 3SU1401-1BB40-1AA0
Specifications
| Country of Origin | Czech Republic |
|---|---|
| Voltage | 24, 24V ac |
| Brand | Siemens |
| Height | 33.2mm |
| Length | 23.4mm |
| Model | 3SU1401-1BB40-1AA0 |
| Width | 9.8mm |
| Current Rating | 20mA |
| Series | SIRIUS ACT 3SU14 |
| Maximum Operating Temperature | 70°C |
| Minimum Operating Temperature | -25°C |
| Terminal type | Screw |
| Illumination type | LED |
| Standards/Approvals | CE, UL, RoHS, CSA, CCC, EAC |
| Better World Claim | Extended Product Life, Low Carbon Manufacture |
| Block Type | Light Block |
| Illumination Colour | Green |
| Siemens Siemens 3SB3 Light Block - Green, 24 VBrand | Siemens |
| Siemens SIRIUS ACT Series Light Block, 240 V ac, 240V dc, Green LightBrand | Siemens |
Key Features
- The light block features a green LED illumination color for clear process signaling.
- Designed with screw terminals for secure and easy wiring connections.
- Operates on 24 V AC or 24 V DC with a low current rating of 20mA.
- Compact dimensions of 33.2mm height, 23.4mm length, and 9.8mm width fit standard push button units.
- Suitable for industrial environments with operating temperatures from -25°C to 70°C.
- Surge voltage resistance up to 4 kV protects against electrical spikes.
- Produced under stringent standards including CE, UL, RoHS, CSA, CCC, and EAC compliance.
- Built for extended product life and low carbon manufacturing impact.
Product Description
Siemens 3SU1401-1BB40-1AA0 is a green LED light block from the SIRIUS ACT 3SU14 series, engineered for industrial and automation applications requiring reliable push button status indication at 24 V AC/DC. This unit illuminates to indicate active processes following industry-standard signal codes, enhancing operator awareness in control systems.
The device operates with a low current of 20mA and includes screw-type terminals for dependable and convenient conductor connections, supporting up to two conductors with cross-sections from 0.5 to 1.5 mm². Its compact form factor - 33.2 mm height, 23.4 mm length, and 9.8 mm width - makes it suitable for mounting behind push buttons in control panels.
Designed to endure harsh industrial conditions, the light block withstands temperatures ranging from -25°C to 70°C and offers surge voltage resistance up to 4 kV to protect against electrical fluctuations. The LED illumination ensures long service life, reducing maintenance and replacement frequency. Compliance with global standards including CE, UL, RoHS, CSA, CCC, and EAC assures safety and quality adherence.
The LED light block uses green illumination for standard signaling applications. Screw terminals facilitate reliable and adjustable wiring. Designed for 24 V AC/DC operation at 20mA current rating. Compact dimensions enable easy integration into existing control panels.
Wide temperature range and surge resistance ensure durability. Manufactured with high-quality materials supporting extended product lifespan. Meets multiple international safety and environmental standards. Supports solid and stranded conductors for versatile installation.
This Siemens light block is ideal for industrial automation, manufacturing plants, HVAC controls, and other applications requiring visual push button status indication. Its energy-efficient LED technology and rugged design support sustainable and reliable operational environments.
Explore more products in our Electronics & Electricals and Switches & Sockets categories to complement your industrial control assemblies.
Explore more products in our Push Button Contact Blocks & Light Blocks category.
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Frequently Asked Questions
The Siemens SIRIUS ACT light block operates at a voltage of 24 V AC or DC.
This unit has a current rating of 20mA.
The dimensions are 33.2mm in height, 23.4mm in length, and 9.8mm in width.
It features screw terminals for secure and easy wiring connections.
The illumination color of this model is green, suitable for standard signaling applications.
It can operate in temperatures ranging from -25°C to 70°C.
This product complies with CE, UL, RoHS, CSA, CCC, and EAC standards.
The light block has a surge voltage resistance of up to 4 kV.
It is suitable for industrial automation, manufacturing plants, and HVAC controls, where visual push button status indication is required.
The screw terminals support up to two conductors with cross-sections from 0.5 to 1.5 mm².
The country of origin for this product is the Czech Republic.
This model is designed for extended product life, which reduces maintenance and replacement frequency.
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