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The Schurter 4400.0189 is a thermal circuit breaker designed for equipment protection. This drop-in type, reset type breaker offers a compact design with a positively trip-free release mechanism.
Key electrical specifications include a rated AC voltage of 240 VAC and a rated DC voltage of 48 VDC. The rated current range is 0.05 to 16 A (datasheet) or 0.05-12 A (manufacturer page). It has a conditional short circuit capacity of 2 kA at 240 VAC and an Icn of 8 x In or 96 A depending on the rated current.
This circuit breaker operates within a temperature range of -5 °C to 60 °C and offers a degree of protection of IP40 on the front side. It is designed for applications such as power tools, household equipment, power supplies and chargers, and industrial appliances. The breaker features quick connect terminals for easy installation.
Approvals include VDE, UL, and CCC, with standards referenced being IEC 60934 and UL 1077. The Schurter 4400.0189 is designed for industrial environments and meets stringent safety requirements.
The circuit breaker is rated for 240 VAC and 48 VDC.
Panel mount with quick connect terminals.
-5°C to 60°C.
The rated current is 2A.
Thermal tripping.
IEC 60934 and UL 1077.
Conditional short circuit capacity is 2 kA at 240 VAC. Short circuit capacity Icn is 8 x In for In < 6.5 A, or 96 A for In ≥ 6.5 A.