Schneider Electric ZB4 BD2 Harmony.
This Harmony XB4 illuminated modular green selector switch has 2 positions, operates with a stay-put mechanism, a 24V AC universal LED. It has a metal bezel. This illuminated selector switch provides a versatile and highly visible interface for controlling your machines. It is easily installed into standard 22mm diameter cut-outs and connected to your control circuits with simple screw-clamp connections. It provides a clear help in setting your machines in various operating modes, even in darker control rooms, and with a clear visual feedback. It is impact resistant, dust resistant, water resistant and vibration resistant thanks to its IP66 / IP67 / IP69 / IP69K, making it ideal for operation in harsh environments.

Range of ProductHarmony XB4
Product or Component TypeIlluminated selector switch
Device short nameXB4
Bezel materialChromium plated metal
Fixing collar materialZamak
Head typeStandard
Mounting diameter0.9 in (22.5 mm)
Sale per indivisible quantity1
Shape of signaling unit headRound
Type of operatorStay put
Operator profileGreen standard handle
Operator position information2 positions 90°
Contacts type and composition1 NO + 1 NC
Contact operationSlow-break
Connections - terminalsScrew clamp terminals, <= 2 x 1.5 mm² with cable end IEC 60947-1
Screw clamp terminals, >= 1 x 0.22 mm² without cable end IEC 60947-1
Light sourceUniversal LED
Bulb baseIntegral LED
[Us] rated supply voltage24 V AC/DC 50/60 Hz