LED stack light QTC50L

flashingsteady5-color

Product Overview
Ø50 mm pole‑mount LED signal tower for industrial applications. Available in 1–5 modular layers with steady or steady/flashing modes. QTCA variants feature an integrated lens cover for a simplified appearance. Optional built‑in buzzer (max. 85 dB) and high‑volume or 2‑tone buzzer options.

Key Features

• Modular LED steady / flashing signal tower lights
• Separate inner color filter lens for clear, distinct signals
• Lock‑type module structure enables tool‑free addition and color rearrangement
• QTCA type with integrated lens and cover for aesthetic finish
• Translucent filter reduces glare when unlit
• Multiple pole‑mount brackets available
• Built‑in buzzer option with adjustable volume (standard max. 85 dB at 1 m)
• Optional 2‑tone and high‑volume (~100 dB) buzzer types
• NPN/PNP input compatible; supports NPN open‑collector for direct PLC connection
• Flashing rate: 60–80 flashes/min
• Operating temperature: -30°C to +50°C
• Protection rating: IP65 (standard), IP54 (built‑in buzzer type)
• Pre‑wired as standard; M12 connector optional
• 24 VDC UL‑listed model available
• Standards: CE, UL; RoHS compliant

Product Specifications (summary table)

• Model numbers: QTC50L / QTC50L‑BZ / QTC50LF / QTC50LF‑BZ / QTCA50L / QTCA50L‑BZ / QTCA50LF / QTCA50LF‑BZ
• Layers: 1 to 5
• Voltage: DC12V / DC24V / AC110–220V (AC models free‑voltage range 100–240V)
• Certificates: CE, UL (UL listed for DC24V)
• Weight examples: 0.35 kg (1‑layer DC) / 0.45 kg (1‑layer AC) up to 0.69–0.79 kg (5‑layer)
• Colors per layer: R = Red, A = Amber, G = Green, B = Blue, W = White

Electrical Consumption (based on 1 layer)

• Light source current: DC12V = 90 mA | DC24V = 70 mA | AC110–220V = max. 55 mA
• Buzzer current: DC12V = 40 mA | DC24V = 75 mA | AC110–220V = max. 55 mA

Sound Tone Combination (standard / examples)

• 1 sound: "Pi-- Pi--" (slow)
• 2 sounds (custom): "Pi--- Pi---" (moderate); "Pi pi pi" (short)
• Continuous sound (custom): "Pi---" (continuous)

Dimensions & Materials

• Diameter: Ø50 mm
• Height: 344–592 mm depending on number of layers
• Materials: Lens – PC; Inner lens – PC; Housing – ABS; Pole – Aluminum

Environmental & Regulatory

• Operating temperature: -30°C to +50°C
• Protection: IP65 (standard) / IP54 (built‑in buzzer)
• Certificates: CE, UL; RoHS compliant

Technical Characteristics

• Series / Model: QTC / QTCA series — QTC50L / QTCA50L variants (steady, steady w/ buzzer, steady/flashing, steady/flashing w/ buzzer)
• Mounting: Pole mount (Ø50 mm)
• Light modes: Steady, Steady/Flashing
• Input compatibility: NPN / PNP transistor drive; NPN open‑collector direct PLC connect
• Wiring: Pre‑wired standard; M12 connector optional
• Available options: Built‑in buzzer (adjustable volume), 2‑tone buzzer, high‑volume buzzer, QTCA integrated lens type, UL‑listed 24 VDC model