The HVAC industry in North America continues to grow rapidly, driven by rising energy efficiency standards, smart building trends, and massive demand for residential and commercial climate control systems. This growth places pressure on component reliability—especially when it comes toelectrical connectorsliketerminal blocks.
That’s whereNingbo Zhongbo Photovoltaic Technology Co., Ltd.comes in. As a trustedHVAC terminal block manufacturer, we supply UL-certified terminal blocks that meet the exacting standards of U.S. and Canadian HVAC manufacturers, panel builders, and OEM suppliers.
🇺🇸 Designed for North American Compliance
Zhongbo terminal blocks are:
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UL Recognized (E486254)– Accepted in the U.S. and Canada
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Rated for300V/20A or higher, depending on model
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Built withUL94V-0 flame-retardant housing (PA66)
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Compatible withAWG wiring sizescommon in the U.S. market
This makes them ideal for HVAC systems used in:
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Single-family residential homes
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Commercial office buildings and malls
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Healthcare and educational facilities
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Light industrial HVAC installations
🧱 Popular Models Among U.S. HVAC Builders
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ZB301 Series– Screw terminal blocks for HVAC controller boards
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15EDGK Series– Pluggable terminals for modular HVAC panels
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ZB136, 139 Series– Ideal for power distribution in control enclosures
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2EDGK Series– Compact terminals used in smart HVAC devices and zone controllers
Each model is manufactured under strict quality control processes andtraceable lot management, ensuring batch consistency for U.S. integrators and builders.
🛒 Scalable Supply for Distributors and OEMs
We work with:
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U.S.-based component distributors
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Panel integrators and contract manufacturers
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HVAC equipment brands and OEMs
Zhongbo provides:
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Fast production and export from Ningbo, China
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OEM branding and private label services
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Barcoded packaging for warehouse inventory
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UL certifications and test reports on request
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Support for LCL/FCL freight from China to North America
Whether you're stocking spare parts or managing full HVAC production runs, Zhongbo offers aconsistent, compliant, and scalable supply chain.
📩 Contact Zhongbo – Your UL-Certified HVAC Terminal Block Partner
Serving North America with UL-approved, HVAC-grade terminal blocks. Reach out to Zhongbo today to request a quote or sample shipment.
📌Company: Ningbo Zhongbo Photovoltaic Technology Co., Ltd.
🏭Address: No. 118 Xiaoxin Rd, Xiaolin Town, Cixi, Ningbo, Zhejiang Province
📧Email:chunni@nbzhongbo.com
🌍Website:www.nbzbo.com
