Built for demanding industrial environments, this 16-amp single-pole Multi9 device delivers dependable supplementary protection and current limiting capabilities. It serves as an exact replacement for the discontinued MG24118 model, mounting seamlessly onto standard DIN rails within OEM equipment and control panels. Featuring a B-curve thermal-magnetic trip mechanism, the padlockable breaker handles up to 14kA at 240VAC and includes line and load lugs for 18-4 AWG wire.
What is the trip curve for the M9F21116 circuit breaker?
This breaker features a B-curve magnetic trip profile, which trips between 3.2 and 4.8 times the rated current. It is ideal for protecting sensitive electronic equipment and control circuits with low inrush currents.
Is the M9F21116 rated as a branch circuit breaker or a supplementary protector?
The M9F21116 is a UL 1077 recognized supplementary protector. It is designed to provide additional protection within appliances or electrical equipment where branch circuit protection is already provided or not required.
Which product family does the M9F21116 belong to?
It is part of the Schneider Electric Multi 9 C60SP series. It mounts on standard 35mm DIN rails and can be used alongside other Multi 9 C60 accessories, such as shunt trips and auxiliary contacts.
How much DIN rail space does the M9F21116 require?
This 1-pole miniature circuit breaker has a width of 18mm, which equals two standard 9mm pitches on a DIN rail.
What is the operating temperature range for this Multi 9 breaker?
The M9F21116 is rated for operation in ambient temperatures ranging from -30 to 70 degrees Celsius (-22 to 158 degrees Fahrenheit).
What is the recommended tightening torque for the terminals?
The screw clamp terminals accept 18 to 4 AWG wire and should be tightened to 22.1 lbf-in (2.5 N.m) for a secure connection.
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