MODULAR TOWER LIGHT
Description
The Denki Seigyo DSMT Series Modular Tower Light provides clear, high-visibility machine status indication for industrial automation systems. Featuring modular LED stack segments in multiple colors, the tower allows flexible configuration to meet specific process or equipment requirements. Each segment uses high-brightness, low-power LEDs with long service life and wide viewing angle.
Available in AC/DC universal voltage versions, the DSMT series supports steady, flashing, and buzzer options, offering excellent performance, durability, and customization for modern factory environments.

Features
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Modular stack design: up to 5 color segments (Red, Yellow, Green, Blue, White)
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High-brightness LED illumination with low power consumption
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360° visibility with diffused lens for clear signal in bright areas
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Built-in or external buzzer (optional) for audible alarms
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Easy assembly and replacement of color modules without tools
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Available in AC 100–240 V and DC 24 V versions
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Multiple mounting options: pole, direct, or wall mount
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IP65 protection structure for industrial environments
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Maintenance-free solid-state LED construction
Specifications
| Item | Specification |
|---|---|
| Model Series | DSMT-3P-RYGA-A/D (example) |
| Number of Layers | 1 – 5 color segments |
| Color Options | Red (R), Yellow (Y), Green (G), Blue (B), White (W) |
| Light Source | High-intensity LED (steady or flashing) |
| Rated Voltage | DC 24 V ±10% or AC 100 – 240 V ±10% |
| Power Consumption | Max. 3 W per segment |
| Illumination Mode | Steady / Flashing (selectable) |
| Audible Alarm (Optional) | 85 dB @ 1 m (buzzer module “A”) |
| Viewing Angle | 360° horizontal, 120° vertical |
| Mounting Options | Direct mount / Pole mount / L-bracket mount |
| Housing Material | Polycarbonate (lens), ABS (body) |
| Protection Structure | IP65 (IEC 60529) |
| Operating Temperature | –25 °C to +55 °C (no condensation) |
| Vibration Resistance | 10 – 55 Hz, 1 mm double amplitude (X, Y, Z axes) |
| Shock Resistance | 500 m/s² (≈ 50 G), 3 times each direction |
| Insulation Resistance | ≥ 20 MΩ (at 500 V DC megger) |
| Weight | Approx. 350 – 650 g (depending on number of modules) |
Model Selection Table
| Model | Voltage Type | No. of Layers | Color Order | Audible Alarm | Mount Type | Protection |
|---|---|---|---|---|---|---|
| DSMT-1P-R-D | 24 V DC | 1 | Red | None | Direct mount | IP65 |
| DSMT-3P-RYGA-D | 24 V DC | 3 | Red / Yellow / Green | With buzzer | Pole mount | IP65 |
| DSMT-4P-RYGB-A | 100 – 240 V AC | 4 | Red / Yellow / Green / White | With buzzer | Pole mount | IP65 |
| DSMT-5P-RYGBW-A | 100 – 240 V AC | 5 | Red / Yellow / Green / Blue / White | With buzzer | L-bracket mount | IP65 |
| DSMT-2P-RG-D | 24 V DC | 2 | Red / Green | None | Direct mount | IP65 |
Model Code Explanation
Example: DSMT-3PRYGA-A/D
| Code Section | Meaning |
|---|---|
| DSMT | Denki Seigyo Modular Tower Light |
| 3 | Number of Color Layers (3 segments) |
| P-RYGA | Color Sequence (P: Pole Mount, R: Red, Y: Yellow, G: Green, A: Buzzer module) |
| –A/D | A = AC 100–240 V model / D = DC 24 V model |
Applications
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Machine status and process indication
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Alarm signaling for automation lines
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Equipment fault or safety alerts
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Material handling and packaging systems
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Assembly, testing, and inspection workstations
Optional Accessories
| Part Number | Description |
|---|---|
| DSM-BRK01 | L-shaped mounting bracket for wall or machine body |
| DSM-POLE02 | Stainless pole mount (200 mm) |
| DSM-BUZ01 | Buzzer module (85 dB) |
| DSM-CAB05 | Extension cable, 5 m length |
Ordering Example
Model: DSMT-3P-RYGA-D
Description: Modular LED tower light, 3 color layers (R/Y/G), with buzzer, 24 V DC, pole mount type, IP65 protection


