Over voltage under the auxiliary switch MG · N + OF (new) features and usages 
This product is based on market MG, MN auxiliary switch performance improved integrated, it has overvoltage, undervoltage, voltage (when the power of a power failure, the switch immediately disconnected) as one of the protection functions to overcome the market On the auxiliary switch to protect a single function, so the load has played a comprehensive role in protection. But also for the end-user significant cost savings and equipment installation space; at the same time with a switch working state (SMGB1-63 split) signal instructions, mainly for electronic equipment appliances (if the user only a single function, the order should be Plus instructions).

Products meet GB14048.5, IEC60947-5-1 standards.

Technical parameters 

Appearance and installation dimensions (mm) 

Installation method

See the installation diagram, the miniature circuit breaker is in the open position (the handle is in the OFF position), turn the right side cover of the miniature circuit breaker counterclockwise by 90 °, remove the cover, align the push rod of the product with the right side of the miniature circuit breaker Cover the hole, the auxiliary switch and small circuit breaker in close cooperation, and then press the work instruction button and close the SMGB1, according to the right to connect the SMGB1 and auxiliary switch, D1, D2(Connected with SMGB1), C, C1, C2 for the switch work status indicator signal output (external signal indication).

Installed on the right side of the SMGB1-63 (see the installation diagram), the installation of external wire cross-sectional area of the inner diameter (not including insulation) is 0.6mm2, external wire insulation must be insulated wire.

Installation diagram

Ordering Information

When ordering, please fill in the following format: MX + OF (new) DC24V, 100.

The meaning of the new MX + OF sub-excitation auxiliary switch, DC 24V, the number of 100 units.