قاطع الدائرة الكهربائية ذو الغلاف المقولب UL489 NDM3EU-225

Available Certifications UL Availability depends on model and configuration.

نظرة عامة

The UL489 NDM3EU-225 is an electronic molded-case circuit breaker developed for North American low-voltage distribution systems. It combines overload long-delay, short-circuit short-delay and instantaneous protection in a compact frame.

قاطع الدائرة الكهربائية ذو الغلاف المقولب UL489 NDM3EU-225

مزايا المنتج

Electronic ProtectionAdjustable electronic functions coordinate overload and short-circuit protection.
UL ComplianceCertification supports use in North American distribution equipment and panels.
Flexible SettingsFrame ratings and trip settings can be matched to the protected feeder.
Practical IntegrationFixed, rear plug-in and lug-terminal arrangements support different panel designs.

المواصفات النموذجية

Rated Insulation Voltage800 V
Rated VoltageAC 240 / 480 V
Frame CurrentUp to 225 A
Interrupting Capacity65 kA at AC 240 V; 35 kA at AC 480 V
Mechanical / Electrical Life4,000 / 4,000 operations
CertificationsUL 489, UL 486E, UL 1998

Typical configuration only. Final ratings are confirmed against project requirements.

التطبيقات

Suitable for industrial switchboards, distribution panels and commercial power systems requiring electronic protection and UL-certified equipment.

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