Manufacturer's product numbers with EX numbers are EX grade products.
For direct power types, the appropriate BA9s incandescent, neon, or LED must be purchased separately.
The transformer Type comes with a BA9s incandescent bulb.
The LED Type has an integrated LED light block.
Schneider Electric Harmony XB4 LED pilot light series. Schneider Electric combines the performance and attractive design of the XB4 22 mm pilot light series with mechanical and