3WL1240-2NB77-4GA4-ZF12F36R21S01T40
Product ID:103014
Updated: 2026/7/3

Key Features
- 1Handle high currents up to 4000A for demanding industrial loads.
- 2Ensure reliable protection with an Icu rating of 66kA at 500V.
- 3Benefit from a durable design that guarantees long-term operational performance.
- 4Simplify installation using convenient rear connection terminals.
- 5Deploy confidently in Size II applications per IEC standards.
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Technical Specifications
Detailed engineering parameters
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Lifecycle | P.M300 | Country of Origin | China |
| ECCN | 9N9999 | AL | N |
| Model Number | 3WL1240-2NB77-4GA4-ZF12F36R21S01T40 |
Specifications may be subject to change without notice
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