The Honeywell 580249.11 4XD500 is a four-channel class D power amplifier for the VARIODYN D1 voice alarm system, delivering 4 x 500 W into 100 V loudspeaker lines. It runs from 230 V AC mains with a 24 V DC emergency power input.
Key features
- Four independent class D power channels with galvanically isolated 100 V direct outputs
- Balanced (symmetrical) inputs, inrush current limiting and soft start
- One amplifier can back up another amplifier
- Four built-in fans with smooth, temperature-controlled speed
- Built-in protection against thermal overload, DC signals, subsonic signals, short circuit, open outputs and HF interference
- Status LEDs per channel: CLIP, PROTECT, SIGNAL, POWER, LINE and 24 V DC
- Rear switch contact for sequential remote power-up
- 2 rear fault contacts, plus a fault contact for missing 24 V emergency supply
- 24 V DC emergency power input
- Suitable for VARIODYN D1 loop technology
Technical specifications
- Output power: 4 x 500 W, 100 V
- Technology: class D
- Mains supply: 230 V AC, 50-60 Hz (+10% / -5%)
- Emergency power supply: 24 V DC
- Channel separation: 92 dB
- Harmonic distortion at nominal level: 0.02%
- Ambient temperature: -5 °C to +55 °C
- Colour: grey (similar to RAL 7016)
- Dimensions: 484 x 88 x 400 mm (2U, 19")
- Weight: approx. 14 kg
