ST-3N 250A

ST-3N 250A Molded Case Circuit Breaker with 690V AC rating, advanced arc-extinguishing technology, and reliable overload, short-circuit, and undervoltage protection for industrial power distribution.

Rated Voltage (Ue): 240V, 400V, 415V, 500V, 690V AC (50/60Hz)
Rated Current (In): 10A to 630A (selectable in segments)
Insulation Voltage (Ui): 800V or 1000V (standard/high - insulation type)
Impulse Withstand Voltage (Uimp): 8kV

ODM & OEM Service

Our technical team can provide customized R&D and design services based on your needs. We will respond to your customization requests within 16 hours.

Frequently Asked Questions

Do you support custom production with our brand logo?

Yes, we provide OEM/ODM/OBM/OPM services. Please contact us for MOQ, design and other details.

Your products looks great, what's the difference between you and other suppliers?

We make high-quality products. All items are strictly tested, with full raw material control and no cutting corners.

How do you deliver the products?

We have long-term stable logistics partners for safe and efficient delivery. You can also appoint your own freight forwarder.

Do you attend industry exhibitions?

We do not attend exhibitions, which effectively protects our customers’ product supply channels.

Can I send goods from other suppliers to your factory for consolidated shipping?

Absolutely, many of our customers do this.

What's your delivery lead time?

Standard production lead time is 3-5 weeks, expedited processing is available.

Do you offer discounts?

Yes, we are happy to give preferential prices for bulk purchases.

Request For Quote

We will reply to your inquiry within 16 hours.

ST-3N 250A

ODM & OEM Service

Frequently Asked Questions

Request For Quote

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