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diesel generator breaker

AC Output(KW):100KW
Rated AC Voltage(V):230V/400V
Frequency(HZ):50HZ/60HZ
Engine Speed(R.P.M):1500-3000
Phase:Single/Three phase
Type:Silent/Open Frame
Engine Type:Six cylinder
Cooling Method: water Cooling
Starting Method:Electric starting
Customization: OEM/ODM
Certificates: CE/Euro 5/EPA/CARB
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  • Product Description

JLMECH: Your Trusted Diesel Generator Breaker Manufacturer & Supplier

As a leading diesel generator breaker manufacturer, Wuhan Jlmech Co., Ltd deliver premium-grade diesel generator breakers that adhere to the strictest international standards. We understand profoundly that the safety and longevity of your investment in power equipment hinge on the quality of protective devices. JLMECH remains steadfastly committed to providing unparalleled protection, supported by a comprehensive global network of support and services.

Diesel Generator Breaker Description

A diesel generator breaker is a fundamental safety component of diesel generator sets, serving as the first line of defense for the generator and connected circuits. It continuously monitors the current output from the generator, and when abnormal or potentially dangerous conditions arise, the breaker decisively interrupts the circuit to prevent catastrophic damage.

Overload Protection

Generators have specific current-carrying capacities. If the connected load demand exceeds the generator's rated capacity for an extended period, it causes equipment overheating. The diesel generator breaker detects excessive current (overload) and trips, disconnecting the generator from the overload source. This protects the generator windings, cables, and other internal components from thermal damage and potential fire hazards.

Short Circuit Protection

A short circuit is a severe fault condition where current flows through an unintended low-resistance path, triggering an extremely high, potentially devastating current surge. The generator breaker is designed to detect this massive current spike almost instantaneously (within milliseconds) and interrupt the circuit. This rapid response is crucial for preventing extensive damage to generator windings, severe arcing, downstream equipment destruction, and significant fire risks.

Isolation Function

Beyond fault protection, the breaker acts as a safe and reliable manual isolation device to separate the generator from the load circuit. This is essential for safe maintenance, generator servicing, or work on downstream electrical systems, eliminating the risk of accidental energization. It typically features a clearly visible isolation gap or a robust mechanical lockout mechanism to ensure personnel safety.

Core Features of JLMECH Diesel Generator Breakers

  • High Breaking Capacity: Engineered to safely interrupt the maximum prospective short-circuit current generated by the generator, ensuring reliable operation even under the harshest fault conditions.
  • Precision Trip Settings: Often adjustable to coordinate with upstream (utility) and downstream (distribution) protective devices, enabling selective tripping—isolating only the faulted section while keeping the rest of the system operational.
  • Robust Construction: Built with high-quality materials and contacts to withstand the demanding operational environment of generators, including vibration, temperature fluctuations, and potential humidity.
  • Clear Status Indication: Visual indicators (flags, windows) clearly show whether the breaker is "ON," "OFF," or tripped due to a fault.
  • Manual Operation: Provides reliable manual control for switching and isolation.
  • Standards Compliance: Manufactured in accordance with relevant international safety and performance standards.

diesel generator breaker

Specifications

FeatureSpecification RangeNotes
Rated Current100A, 160A, 250A, 400A, 630A, 800A, 1000A+Matches generator output capacity
Breaking Capacity (Icu)Up to 65kA (or higher)Critical for handling severe short circuits
Number of Poles3P or 4P (3-Phase + Neutral if required)Standard for three-phase generator outputs
Trip Unit TypeThermal-Magnetic or Electronic (Adjustable)Provides overload & short-circuit protection
MountingDIN Rail or Fixed Mounting within PanelFlexible integration options
StandardsIEC 60947-2, GB/T 14048.2, CE MarkedEnsures international compliance & safety
Operating VoltageUp to 690V ACSuitable for common generator voltages
IP ProtectionIP20 (Standard), Higher IP ratings availableProtection against solid objects

Why Choose Us?

  1. Proven Expertise: Over 27 senior engineers ensure cutting-edge design and performance.
  2. Global Compliance: Meets EU Stage V and Tier 4 emission standards for eco-friendly operations.
  3. Durability: Reinforced steel frame and corrosion-resistant coating for harsh environments.
  4. OEM Partnerships: Trusted by Cummins, Perkins, and other global brands.
  5. 2-Year Warranty: Full coverage for mechanical and electrical components.

Packaging and Delivery

Generator packaging

Every diesel generator breaker is securely packaged in weatherproof crates and shipped globally via sea or air freight.

Company Profile

Generator factory

Wuhan Jlmech Co., Ltd. operates 11 branches in China and 26 overseas offices. Equipped with automated assembly lines and a dedicated R&D team, we've powered industries in 50+ countries since 1996.

Factory After-Sales Service

Enjoy 24/7 technical support, on-site maintenance, and genuine spare parts delivery within 72 hours.

Certification

Certificate

Our products hold CE, ISO9001, and ISO14001 certifications, validated through rigorous in-house testing.

Exhibitions

Exhibition

We showcase innovations annually at global trade fairs like PowerGen Asia and Middle East Electricity.

FAQ

Q: What's the lead time for bulk orders?
A: 15-30 days, depending on customization.

Q: Can I request a customized voltage configuration?
A: Yes! Our engineers tailor solutions to your grid requirements.

Q: Do you offer financing options?
A: Flexible terms, including leasing and deferred payments, are available.
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Power Your Operations with Confidence

When you choose Wuhan Jlmech's diesel generator breaker, you invest in reliability, compliance, and long-term value. Join global clients who trust us to keep their businesses running—rain or shine.

Ready to discuss your project? Email skala@whjlmech.com today!

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