LED stack light QTG50L

steadyflashing2-color

Product Overview
QTG50L / QTGA50L are modular Ø50 mm pole-mount LED signal towers available in steady and steady/flashing types. The QTGA variant features an integrated lens and cover for a simplified appearance. Buzzer-equipped versions provide audible alarms up to 85 dB (standard); higher-volume options are available.

Key Features

• Modular multi-layer LED signal tower (steady and flashing options)
• Color-diffusing lens for high visibility at distance
• Lock-type interface between modules for tool-free addition or rearrangement of layers
• QTGA: integrated lens and cover for a streamlined exterior
• Various pole-mount brackets available to match installation requirements
• Buzzer output: up to 85 dB at 1 m (standard); 100 dB high-volume option available
• Inputs compatible with NPN open-collector transistor outputs for direct PLC connection (PNP supported)
• Flashing rate: 60–80 flashes/min
• Ambient operating temperature: -30°C to +50°C
• Protection rating: IP65 (standard); IP54 (built-in buzzer types)
• Pre-wired as standard; M12 connector available on request
• 24 VDC UL-listed model optionally provided; CE and RoHS compliant

Main Product Points / Short Specs
Ø50 mm Pole-Mount Type; LED steady/flashing tower lights; Buzzer: max. 85 dB (at 1 m).

Model / Layer / Voltage / Certificates / Weight / Colors (summary)

• 1 layer — QTG50L / QTGA50L | DC12V / DC24V / AC110V–220V | CE, UL (selected models) | 0.34 kg (DC) / 0.44 kg (AC) | R (Red)
• 2 layers — QTG50L variants | DC12V / DC24V / AC110V–220V | CE, UL | 0.43 kg (DC) / 0.53 kg (AC) | R, G
• 3 layers — QTG50L variants | DC12V / DC24V / AC110V–220V | CE, UL | 0.51 kg (DC) / 0.61 kg (AC) | R, A (Amber), G
• 4 layers — QTG50L variants | DC12V / DC24V / AC110V–220V | CE, UL | 0.60 kg (DC) / 0.70 kg (AC) | R, A, G, B (Blue)
• 5 layers — QTG50L variants | DC12V / DC24V / AC110V–220V | CE, UL | 0.68 kg (DC) / 0.78 kg (AC) | R, A, G, B, W (White)

Light source / Buzzer current (per 1 layer)

• DC12V — Light source: 90 mA; Buzzer: 40 mA
• DC24V — Light source: 70 mA; Buzzer: 75 mA
• AC110V–220V — Light source: max. 55 mA; Buzzer: max. 55 mA

Sound Tone Combination (standard product)

• Standard buzzer patterns (examples: intermittent, slow intermittent)
• Customizable buzzer tone sets and patterns available on request
• High-volume buzzer (e.g., 100 dB) available as a customization

Additional Notes

• AC models support a wide input range (100–240 V)
• UL-listed option available for selected DC24V models
• M12 connector available on request; units shipped pre-wired by default

Technical Specifications

• Series / Models: QTG50L, QTG50L-BZ (built-in buzzer), QTG50LF (steady/flashing), QTG50LF-BZ, QTGA50L, QTGA50L-BZ, QTGA50LF, QTGA50LF-BZ
• Diameter: Ø50 mm
• Height: approx. 344–592 mm (varies by number of layers)
• Lens material: polycarbonate (PC)
• Housing material: ABS
• Pole material: aluminum
• Protection rating: IP65 (standard); IP54 (built-in buzzer types)
• Operating temperature: -30°C to +50°C
• Flashing rate: 60–80 flashes/min
• Mounting: pole-mount with multiple bracket options
• Input compatibility: NPN open-collector transistor drive (PNP supported)
• Power options: DC12V, DC24V, AC110V–220V (AC models support 100–240V)
• Certifications: CE, UL (selected models), RoHS