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Description
DIGIDIM 500 W Thyristor Dimmer (455)
The DIGIDIM 500 W Thyristor Dimmer (leading edge) is a DALI-compatible lamp interface unit for use in a DIGIDIM lighting control system.
The dimmer is a DIN-rail mounted unit that can control a maximum load of 500 W. It can be connected to mains voltage lamps directly, or to low voltage lamps via a wire-wound transformer. The dimmer is provided with a status LED and a physical selection switch.
The LED provides status and fault indications, the physical selection switch is used to identify the device during system configuration.
Note: This unit does not contain a DALI power supply. Therefore, one must be incorporated elsewhere in the system.
Key Features
- Out-of-box operation. No programming required when using DIGIDIM slider, rotary or push button panels.
- Input voltage and frequency fluctuation compensation ensures stable output levels with fluctuating incoming mains levels.
- Over current and over temperature protection.
- DIN-rail mounted and only 35 mm wide.
Additional Functions
The following functions may be programmed using the DIGIDIM Toolbox software:
- Maximum/minimum levels, fade times*, scenes* and groups*
- Dimmer status report
- System failure level/ignore
- Power on level
- Power on to last level
* These functions are also programmable using a Helvar infrared remote handset.
Technical Data
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Connections |
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DALI: |
Standard DIGIDIM removable terminal block 0.5 mm² – 1.5 mm² stranded or solid core |
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Mains: |
Up to 4 mm² solid core or up to 2.5 mm² strandedNote: If equipment is used in an electrically noisy environment, the DALI cable should be screened and connected to the earth. |
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Power |
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Mains supply: |
220 VAC – 240 VAC, 50 Hz – 60 Hz |
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Heat dissipation: |
3.5 W with maximum load (resistive) |
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DALI supply output: |
None (Use external DALI power supply) |
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DALI consumption: |
2 mA |
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Mechanical data |
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Dimensions: |
35 mm × 58 mm × 90 mm |
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Housing: |
DIN-rail case 35 mm wide |
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Mounting: |
DIN rail (installation in switchgear/controlgear cabinet) |
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Weight: |
110 g |
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IP code: |
IP30 |
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Operating and storage conditions |
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Ambient temperature: |
0 °C to +40 °C Above this temperature, derate according to the adjacent graph. |
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Relative humidity: |
Max. 90 %, noncondensing |
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Storage temperature: |
–10 °C to +70 °C |
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Conformity and standards |
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EMC emission: |
EN 55015 |
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EMC immunity: |
EN 61547 |
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Safety: |
EN 61347-2-11 |
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Isolation: |
3 kV |
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Environment: |
Complies with WEEE and RoHS directives. |