TOA / AT-303A Attenuator

The TOA AT-303A is a transformer-type wall-mounted volume control that can handle up to 30W input. It offers five levels of volume adjustment for precise control. It features a one-touch terminal for easy installation; simply plug it in. Its compact 41mm width design allows for flexible mounting, even when placed next to a light switch. It is compatible with TOA plates (sold separately) and various commercially available electrical plates.

■ Transformer-type Volume Control

■ Panel sold separately

■ Input Capacity

0.5 W to 30 W

■ Volume Control

5 levels (0 dB, -6 dB, -12 dB, -18 dB, Off)

■ Compatible Wire

600 V Vinyl Insulated Wire (IV wire, HIV wire)

Single Wire (Copper Wire): φ0.8 to φ1.6 mm

■ Terminal

One-touch push-in connector

■ Operating Temperature Range

-10 ℃ to +50 ℃

■ Finish

Knob, Panel: ABS resin, Milky White (Munsell 5Y8.3/1 approximate color)

Case: ABS resin, Black (Munsell N1.0 approximate color)

■ Dimensions

41 (W) × 108 (H) × 52.4 (D) mm

■ Weight

210 g g (main unit only)

■Accessories

Screws for mounting the recessed box (countersunk screws M4 x 35) ... 2

■Compatible Plates*

YP-1AF (sold separately)

Panasonic Corporation Full Color Plate (for 3 units), Toshiba Lighting & Technology Corporation E's Plate (for 3 units), Jinbo Electric Co., Ltd. New Mild Bee Series (for 3U)

■Compatible Boxes

Surface-mounted box: YS-11A (sold separately), Recessed box: JIS C 8340

*Some commercially available resin plates have different finish colors, so confirmation is necessary.