Overview
The Siemens 3SB1400-2B lampholder is a compact, front-panel mounted indicator light assembly designed for integration with Siemens pilot device platforms. Built with a BA9s-base lamp socket and integrated resistor, it provides visual status feedback at 110/125V AC. This component is ideal for retrofit installations and legacy system maintenance across manufacturing, process automation, and panel-mounted control applications.
Key Features
- BA9s lampholder base with integrated resistor for simplified wiring
- Front-panel screw terminal mounting—no special fixtures required
- 110/125V AC operation with integrated 130V lamp
- 2.5W rated power consumption for low-load indicator circuits
- Supplied with lamp—ready-to-install out of the box
- 30 mm form factor compatible with standard Siemens pilot device housings
Technical Specifications
- Nominal Voltage (UC): 110/125V AC
- Max Operating Voltage: 130V AC
- Power Rating: 2.5W
- Lamp Base: BA9s
- Mounting: Front-panel, screw terminal
- Housing Size: 30 mm
- Resistor: Internal (integrated)
- Certifications: DIN VDE 0660 Part 500, IEC 60947-5-1
- Supplied Quantity: Box of 10 units with lamps
Typical Applications
This lampholder is commonly deployed in:
- Control panel status indication (power, fault, ready signals)
- Machine tool and industrial equipment operator feedback
- PLC and drive cabinet lighting
- Legacy system retrofits and maintenance replacements
- Commercial and industrial electrical enclosures
Compatibility & Replacements
The 3SB1400-2B is compatible with Siemens 22 mm and 30 mm pilot device contact blocks. While the product is discontinued by the manufacturer, it remains widely stocked as a replacement for legacy applications. Engineers seeking modern alternatives should evaluate current Siemens signaling tower modules (3SB3 series) or LED-based indicator solutions; however, the 3SB1400-2B remains the correct choice for exact form-factor replacement in existing panel layouts.
