AT-4012 AS
Tính năng sản phẩm:
8-step attenuation level control (+/- 3dB)
Ergonomic control knob with better grip
for easy turn
24VDC overriding relay with red LED
indicator
Terminal block for thicker diameter cable
Clip-on face plate
2 / 3 / 4 wire system
Surface or flush mount
Glossy finish in white