Hydraulic Circuit 1 Pole Breaker B3T1-80V 100A

Product Overview

The YM B3T1 Series is a premium hydraulic-magnetic circuit breaker engineered as a direct, reliable alternative to QY-Series miniature breakers for 80VDC applications. This 3-pole DC breaker is designed for precision protection in demanding DC circuits, offering superior performance, durability, and safety. It is an ideal component for sophisticated hydraulic power unit control systems and complex circuit breaker panel configurations requiring stable 80 DC 3-pole breaker performance. Whether you're upgrading existing QY-series setups or designing new systems, the B3T1 provides a robust and trustworthy solution for critical circuit protection.

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Product Features & Advantages

• Direct QY-Series Alternative: Engineered for seamless form-fit-function replacement, minimizing system redesign and downtime.
• Advanced Hydraulic-Magnetic Operation: Ensures precise trip timing independent of ambient temperature, unlike thermal breakers. This is crucial for the stable operation of a hydraulic power unit or a dc powered hydraulic pump.
• High Performance & Reliability: Features ultra-fast action and release time (≤4ms), providing rapid response to fault conditions in critical DC systems.
• Robust Construction & Long Life: Designed for high electrical endurance (1x10⁵ operations) and minimal contact resistance for sustained efficiency.
• Versatile Application Range: Perfect for protecting circuits in aviation systems, drones, aircraft engines, and complex industrial circuit breaker dc control schematic applications.
• Superior Safety Standards: Excellent dielectric strength and insulation resistance ensure operator and equipment safety.

Technical Specifications

Model: B3T1-80-1Q01 (B-D3-C1) | Rated Current: 100A | Rated Voltage: 80VDC

• Coil Power Consumption: 0.3W - 0.43W
• Contact Load & Life:
  • Resistive Load: 1A, 28VDC, 1 x 10⁵ cycles
  • Low-Level Load: (10-50)µA, (10-50)mV, 1 x 10⁵ cycles
• Contact Resistance: Initial ≤50mΩ; After Life Test ≤200mΩ
• Time Parameters: Action Time ≤4ms; Release Time ≤4ms (Incentive pulse width 10-50ms)
• Dielectric Strength:
  • Normal Atmosphere: 500Vr.m.s., 50Hz
  • Low Pressure: 250Vr.m.s., 50Hz
• Insulation Resistance: >500MΩ (Normal); >50MΩ (After High-Level Life Test)
• Weight: <3g
• Tightness (Sealing): Leakage Rate ≤10^-3 Pa·cm³/s

How to Use / Installation Steps

1. System Compatibility Check: Verify that the B3T1 breaker's specifications (100A, 80VDC) match your system requirements, particularly if it's part of an 8 circuit breaker panel or controlling a 12v dc hydraulic power unit.
2. Power Disconnection: Ensure the main DC power supply to the circuit is completely shut off and locked out.
3. Remove Existing Breaker: Safely disconnect and remove the old QY-series or faulty breaker from the panel.
4. Install B3T1 Breaker: Insert the B3T1 breaker into the designated slot, ensuring proper alignment of poles. For multi-pole configurations like 3 pole circuit breaker wiring, follow the specific terminal layout.
5. Terminal Connection: Securely connect the line and load wires to the appropriate terminals as per the circuit breaker dc control schematic. Ensure tight connections to prevent arcing.
6. Functional Test: Restore power and test the breaker's operation manually (using the toggle) and under a simulated load condition to verify correct hydraulic circuit breaker operation.

Application Scenarios

The B3T1 hydraulic-magnetic breaker is indispensable in scenarios demanding precise DC circuit protection:

• Aviation & Aerospace: Primary or secondary circuit protection in drones, UAVs, and aircraft engine control systems.
• Specialized Mobile Equipment: Protection for DC power systems in construction, marine, and utility vehicles.
• Industrial Control Panels: Used in custom circuit breaker panel designs for manufacturing automation and process control.
• Renewable Energy Systems: DC side protection in solar PV installations and battery storage systems.
• Telecommunications: Safeguarding sensitive equipment in 48VDC and other DC backup power systems.

Value & Benefits for Your Business

• Reduce Downtime & Maintenance: High reliability and long operational life minimize unplanned outages and replacement frequency.
• Enhance System Safety: Precise magnetic trip mechanism protects expensive downstream components like monarch dc hydraulic power units from damage due to overloads or short circuits.
• Simplify Procurement: Serves as a readily available, high-quality alternative to potentially obsolete or hard-to-source QY-series parts.
• Improve Design Flexibility: Enables engineers to design robust protection schemes for complex hydraulic electric circuit breaker systems with confidence.
• Hydraulic Circuit DC 1 Pole Breaker  B3T1-80 80-1Q01 100A 
• Hydraulic 3-pole Breaker B3T1 as Alternative of QY-Series Miniature Breaker
• Alternative 80VDC Breaker to QY Series B3T1 3 Pole Hydraulic Breaker
• Miniature breaker alternative B3T1-80-1Q01 B-D3-C1 100A 80VDC
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• Aviation Hydraulic Circuit Breaker DC  for Drone,Aircraft Engine

Certifications & Compliance

YM's circuit breakers are manufactured in facilities adhering to strict international quality management systems. Our production processes and products are designed to meet relevant global electrical safety and performance standards. Specific certifications are available upon request for qualified buyers.

Customization Options

We understand that standard solutions may not fit every project. YM offers flexible customization for the B3T1 series, including:

• Custom current ratings (within the hydraulic-magnetic technology range).
• Special terminal types or connection configurations to match your hydraulic power unit wiring diagram.
• Labeling and branding options for OEM partners.
• Consultation for integration into custom 8 circuit breaker panel layouts.

FAQ

Q1: What is the key difference between a thermal and a hydraulic-magnetic circuit breaker like the B3T1?

A1: Thermal breakers trip based on heat generated by overcurrent, which can be affected by ambient temperature. Hydraulic-magnetic breakers use a solenoid core moving in a fluid; trip time is consistent regardless of environment, making them more precise and reliable for critical DC applications.

Q2: Can the B3T1 be used as a direct replacement for any QY-Series breaker?

A2: The B3T1 is designed as a functional alternative. It is crucial to match the electrical specifications (current, voltage, poles) and physical dimensions. Always verify the model number (e.g., B3T1-80-1Q01) against your specific QY part's requirements.

Q3: Is this breaker suitable for both AC and DC circuits?

A3: The B3T1 series described here is specifically designed for 80VDC applications. Using a DC-rated breaker in an AC circuit, or vice-versa, is unsafe and will not provide proper protection.

Q4: How does this product integrate with a larger hydraulic operating mechanism of circuit breaker system?

A4: This breaker acts as the primary electrical protection device within such a system. It can be wired to interrupt power to the solenoid or motor controlling the hydraulic operating mechanism, preventing damage during electrical faults.

Q5: Do you provide technical support for integration into our existing panel design?

A5: Yes, our technical team can provide guidance on integration, including reviewing your 2 pole circuit breaker wiring diagram or 4 pole circuit breaker wiring diagram to ensure compatibility and optimal performance.