The IDEC XN4E-BL402MR is a non-illuminated Emergency Stop (E-Stop) switch with a padlock type mechanism, ensuring secure maintenance and safety operations. It features a 44mm plastic bezel with a flush design and metallic padlock for added durability. The unit requires only 47.7mm of depth behind the panel, accommodating up to 4 contacts. Additionally, it incorporates IDEC's unique Safe Break Action to enhance safety by ensuring the circuit breaks even if the contact block is separated from the actuator.