3M Macurco Directives D'utilisation page 15

The relay of the CM-E1 is a dry contact and rated at 100mA, 40VDC. It is not suitable for fan control use. When
connecting the units to remote buzzers or other devices (all buzzers or "other devices" must be UL approved), make
sure that the load does not exceed the relay's rating. External buzzers must be capable of generating a sound output
greater than 85 dBA at 10 ft (3.048 m).
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