Single Phase AC Circuit Breaker | Genuine Generator Replacement Part

Key Features

• 1. Eliminating Overload Tripping Uncertainty (Precise Protection)

  • The Problem: Low-grade aftermarket circuit breakers often rely on poorly calibrated bimetallic strips. This causes them to either "prematurely trip" under standard working currents (disrupting work on-site) or "fail to trip" during a genuine overload, leading to permanent alternator burnouts.

  • The Erayak Solution: The SN-T241218 is strictly calibrated to trip at exactly 40.02A. This rigorous alignment guarantees that your generator can safely maximize its $34.8\text{A}$ operational envelope while instantly cutting off power the moment a dangerous overcurrent occurs.

  2. High-Capacity Short-Circuit Suppression

  When a short circuit occurs on a construction or agricultural site, the current spikes exponentially in milliseconds. With a 2000A breaking capacity, this breaker safely extinguishes the electrical arc inside its reinforced chamber, preventing control panel fires and safeguarding the generator’s internal wiring.

  3. Industrial-Grade Flame Retardant & Environmental Compliance

  Built with high-impact, heat-resistant housing that meets strict RoHS standards. It resists yellowing, cracking, and structural fatigue under high operating temperatures, ensuring the toggle switch retains its crisp mechanical snap even after years of field operations.

What Problem It Solves

• Fixes hard starting caused by a worn or slipping recoil mechanism.
• Solves pull-cord return failure or abnormal resistance during pulling.
• Restores smooth and reliable manual starting performance.

Installation & Service Notes

• Inspect regularly and replace if the pull cord slips, jams, or does not return smoothly.
• Replace when cracks, deformation, or spring fatigue are observed.
• For matching or installation support, contact the Erayak service team.

After-Sales & Dealer Support

Spare Parts Coverage
Full accessory support for core Erayak generator models.

Inventory & Lead Time
Fast-moving parts in stock. 24–72h dispatch for stock items.

Matching Support
Model-based fitment confirmation to avoid wrong orders.

Dealer Bulk Supply
Dealer pricing, MOQ and regional supply supported. Contact us for terms.

At Zhejiang Leiya Electronics Co., Ltd. (Erayak), we treat spare parts with the exact same engineering precision as our complete generator units.

⚙️ Why Wholesale Buyers Trust Erayak Parts Over Third-Party Alternators:

1. 100% Automated Micro-Calibration Testing: In our Wenzhou manufacturing facility, we do not rely on manual adjustments. Every single SN-T241218 unit passes through our automated thermal-magnetic testing rigs. We simulate precise overcurrent conditions to ensure the response curve aligns perfectly with international TÜV and CE standards.

2. Real-World Field Resilience Case: Our circuit breakers are deployed globally in the harshest environments. In a recent operational tracking study of our EYG9000GE generators running on high-humidity agricultural infrastructure in Southeast Asia, Erayak breakers achieved a 0.04% field failure rate over 5,000 continuous hours of operation. This stability directly saved rental fleet operators thousands of dollars in alternator replacement costs compared to fleets using generic third-party breakers.

3. Batch-to-Batch Consistency: The dedicated tracking serial number SN-T241218 ensures that whether you buy 10 units or 10,000 units, the dimensions, mounting bracket alignment, and terminal screw torque tolerances remain identical down to the millimeter.

Bulk Wholesale & Dealer Support

As a manufacturer-backed supplier, Erayak provides comprehensive supply chain support for global parts distributors, machinery importers, and after-sales service centers.

• Custom OEM Solutions: We support modified mounting brackets, specialized current ratings ($I_n$), and custom laser-etched branding for long-term wholesale partners.

• Global Logistics & Lead Time: Fast-tracked production loops for critical electrical components. Secure, anti-static bulk packaging ensures components arrive pristine.

• Pricing, MOQ & Quotation: Due to tier-based pricing for different distribution regions, MOQ and specific discount structures are available upon direct request.

📥 Secure Your Tier-Pricing Quote Today: Please [Contact Our B2B Sales Team] directly with your projected annual volume, and our dedicated account manager will provide a detailed quotation within 24 hours.