UL489 NDM3EU-225 Molded Case Circuit Breaker

Available Certifications UL Availability depends on model and configuration.

Overview

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.

UL489 NDM3EU-225 Molded Case Circuit Breaker

Product Advantages

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.

Typical Specifications

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.

Applications

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

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