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.
Power Supply : AC110 +-10% / AC220 +-10% | Frequency : 50HZ. / 60HZ. | Power Consumption : 150 Watts. 24V. | Description/Speed : 3 second | Work Temperature : -40'c to 85'c