Schneider Legend Holder (30 x 50mm) with an unmarked legend (18 x 27mm).

• · This Harmony ZB, legend holder is compatible with Harmony XB4, XB5 and XB7.
• · This legend holder without legend allows you to customize the control unit with any legends desired to support your machines and operations.
• · It is compatible with any standard 22mm Harmony control or signalling unit.