FMM-101 is a miniature monitor module (a mere 1.3" (3.302 cm) H x 2.75" (6.985 cm) W x 0.5" (1.270 cm) D) used to supervise a Class B (Style B) circuit of dry-contact input devices.
Excellent sound reproduction is just one of the many unbeatable advantages of the L-VCM06A/EN. Another is its fire-resistant cover with fire dome and light-weight design. The L-VCM06A/EN is available