Hyundai HiBH403 Molded Case Circuit Breaker (MCCB)
Secure your electrical systems with the Hyundai HiBH403 Molded Case Circuit Breaker (MCCB). This 3-pole, 300A breaker delivers high breaking capacity up to 85kA and complies with strict IEC 60947-2 standards, making it the perfect choice for reliable industrial and commercial circuit protection.
Hyundai HiBH403 Molded Case Circuit Breaker (MCCB)
The Hyundai HiBH403 is a highly reliable 3-pole Molded Case Circuit Breaker (MCCB) designed for robust electrical protection in demanding industrial and commercial applications. Manufactured by Hyundai Heavy Industries, this T4 frame size breaker features a 300A rated current and operates efficiently on 50/60Hz frequencies. With a rated insulation voltage of 690V AC and exceptional short-circuit breaking capacities (up to 85kA at 220/240V AC), it ensures superior safety and system integrity against overloads and short circuits. The unit is equipped with a durable ON/OFF toggle handle and a push-to-trip button for straightforward testing and maintenance. Fully compliant with stringent international standards including IEC 60947-2, NEMA AB-1, CE, and KS/JIS/EN, the HiBH403 is a globally trusted solution for dependable circuit protection.
Technical Specifications:
- Brand: Hyundai Heavy Industries
- Model: HiBH403
- Number of Poles: 3-Pole (3P)
- Rated Current: 300A (300AF)
- Frame Size: T4
- Rated Operational Voltage (Ue): AC 660V
- Rated Insulation Voltage (Ui): AC 690V
- Frequency: 50/60Hz
- Ultimate Short-Circuit Breaking Capacity (Icu): 85kA @ AC220/240V, 65kA @ AC380/415V, 50kA @ AC440/460V, 35kA @ AC460/500V, 25kA @ AC600V, 22kA @ AC660V, 40kA @ DC250V
- Service Short-Circuit Breaking Capacity (Ics): 50% Icu
- Standards & Certifications: CE, IEC 60947-2, NEMA AB-1, KS, JIS, EN
- Country of Origin: Made in Korea

| Brand | HYUNDAI |
|---|---|
| Model | HiBH403 |
GENERAL DELIVERY INFORMATION
Thank you for visiting and shopping at www.zxanhyd.com. Following are the terms and conditions for the Shipping Policy for ZXAN Hydraulic.
Orders will be processed and shipping during standard working hours (0830 – 1730 BST) Monday to Friday (excluding Bank Holidays)., are processed and despatched on the same business day. If we are experiencing a high volume of orders, shipments may be delayed by 1-2 Days. Please allow additional days in transit for delivery. If there will be a significant delay in shipment of your order, we will contact you via email or telephone.
NTERNATIONAL DELIVERY RATES & ESTIMATES
Shipping charges for your order will depend on weight and country the order is to be shipped to. All cost will be calculated and displayed at checkout. All orders for delivery within the Asia will arrive on a 2-5 day delivery service depending on Country location. All shipments outside the Asia will arrive on a 3–7-day delivery service depending on Country location. Please check for accurate delivery times with our Sales department. If you Parcel has not arrived within the time expected please do not hesitate to contact us. Please ensure the ship to address you type during checkout is correct. We are not responsible for any wrong or undeliverable addresses.
CUSTOMS, DUTIES AND TAXES
Import duties, taxes, and brokerage fees are not included in the product price or shipping and handling cost. These charges are the buyer’s responsibility as we are only charging the transportation fee for your order. You may check with your country’s customs office to determine if there will be additional costs. The buyer is responsible for obtaining information regarding their country’s laws, regulations, and restrictions that may apply when purchasing our products. By placing an international order (shipping outside of the China) the buyer is responsible for abiding by their country’s laws, regulations, and restrictions. If product is seized and destroyed by customs, we will NOT be responsible for the losses, product, or shipping refunds.
SHIPMENT CONFIRMATION & ORDER TRACKING
You will receive a Shipment Confirmation email once your order has shipped containing your tracking number(s). The tracking number will be active within 24 hours.
WORKING CLOSELY WITH TOP CARRIER EXPERTS
We use some of the top carrier companies in the world, although you can use your own carrier to collect the order. All deliveries require a signature on delivery. Below are our main carrier companies.

DAMAGES
ZXAN Hydraulic is not liable for any products damaged or lost during shipping. If you received your order damaged, please contact us to file a claim. Please save all packaging materials and damaged goods before filing a claim.
RETURNS POLICY
Our Return & Refund Policy provides detailed information about options and procedures for returning your order.

