Hydraulic Circuit Breaker RSB1-100-A2-100 2LSC1M0

Product Overview

The RSB1-100-A2-100 2LSC1M0 Hydraulic Circuit Breaker is a hydraulic-magnetic overcurrent protection device engineered for high-reliability applications in aerospace, defense, industrial machinery, and mobile equipment. Unlike thermal breakers, this hydraulic circuit breaker provides precise, temperature-stable tripping characteristics, making it ideal for environments with wide temperature fluctuations. It is a core component within YM's comprehensive power protection portfolio, seamlessly integrating with systems such as dc powered hydraulic pumps, electric hydraulic pump wiring diagram configurations, and hydraulic power unit wiring diagrams for complete system safety.

Technical Specifications

• Model: RSB1-100-A2-100 / 2LSC1M0
• Type: Hydraulic-magnetic circuit breaker (series trip)
• Number of Poles: 2-pole configuration (suitable for DC or AC applications)
• Current Rating: 100A continuous
• Voltage Rating: 80V DC / 240V AC maximum
• Interrupting Capacity: 5,000A @ 80V DC; 10,000A @ 240V AC
• Time Delay Characteristics: Medium or long delay (customizable) – provides inverse time response for motor starting and inrush currents
• Ambient Temperature Range: -40°C to +85°C – trip performance unaffected by temperature variations
• Dielectric Strength: 1500V AC for 1 minute between poles and case
• Insulation Resistance: >100 MΩ at 500V DC
• Terminal Type: Screw terminals with captive screws, accepting up to 4 AWG wire
• Mounting: Panel mount with standard cutout dimensions
• Actuator: Toggle lever with “ON/OFF” indication, trip-free mechanism
• Compliance: UL 489, CSA C22.2, IEC 60934 (complementary protection)

Detailed dimensional drawings and trip characteristic curves available in our technical datasheet.

Product Features & Competitive Advantages

1. Temperature-Stable Trip Performance: The hydraulic-magnetic design ensures consistent trip current accuracy from -40°C to +85°C, unlike thermal breakers that drift with ambient temperature – critical for outdoor or engine-compartment applications.
2. Precise Overcurrent Protection: Provides fast short-circuit interruption and controlled time-delay for inrush currents, preventing nuisance tripping while ensuring full protection.
3. Heavy-Duty DC Capability: Rated for 80V DC, making it suitable for battery-powered systems, dc powered hydraulic pumps, and mobile equipment using electric hydraulic pump 12v wiring diagram configurations.
4. Hydraulic Operating Mechanism: Uses a sealed hydraulic-magnetic chamber – no thermal bimetal, meaning no aging drift and longer service life. This is a true hydraulic-magnetic circuit breaker with proven reliability.
5. Clear Visual Indication: Toggle actuator provides positive ON/OFF status and trip indication. Trip-free mechanism prevents manual override under fault conditions.
6. Versatile Application Compatibility: Designed for integration into control panels with 8 circuit breaker panel layouts, or as a dedicated branch protector for hydraulic power unit wiring diagrams.

Installation & Wiring Steps

1. Panel Cutout Preparation: Use the provided cutout template to prepare the panel opening. Ensure smooth edges to prevent damage to the breaker housing.
2. Mounting the Breaker: Insert the breaker into the panel cutout from the front. Secure using the supplied mounting clips or screws (torque to specification).
3. Electrical Connections: Connect the line side (input) to the terminal marked “LINE”. Connect the load side (output) to the terminal marked “LOAD”. Use appropriate ring terminals or ferrules. Tighten terminal screws to 20-25 lb-in.
4. Grounding (if required): If the mounting panel is not grounded, connect a grounding wire to the designated ground terminal or mounting screw.
5. Verification of Wiring Diagram: Refer to the hydraulic circuit breaker wiring diagram specific to your system. For applications with electric hydraulic pump wiring, ensure the breaker is placed between the battery/disconnect and the pump controller.
6. Functional Testing: After wiring, toggle the breaker to ON and verify voltage at the load side. Test trip by simulating an overcurrent (using calibrated test equipment) or use the breaker’s test button (if equipped).

Application Scenarios

The RSB1-100-A2-100 hydraulic circuit breaker is deployed across industries where reliable overcurrent protection is non-negotiable:

• Mobile Hydraulic Equipment: Protection for 12v dc hydraulic power units on truck-mounted lifts, tailgates, and snowplows – preventing wiring fires during pump stall or overload.
• DC Power Distribution Panels: As a main or branch breaker in 8 circuit breaker panel assemblies for marine, RV, or telecom applications.
• Electric Hydraulic Pump Systems: Used in conjunction with monarch dc hydraulic power units or similar pumps, providing short-circuit and overload protection per electric hydraulic pump diagram requirements.
• Aircraft Ground Support: Protecting 28V DC circuits in towable GPU units and test stands.
• Industrial Control Panels: UL 489-listed branch protection for motor control centers, conveyors, and machine tools.
• Renewable Energy Systems: DC overcurrent protection in solar combiner boxes and battery storage systems.

Value Proposition for B2B Buyers

• Enhanced System Safety: Hydraulic-magnetic technology eliminates nuisance trips and ensures consistent protection across temperatures, reducing downtime and equipment damage.
• Lower Total Cost of Ownership: Long mechanical and electrical life (10,000+ operations at rated load) and no thermal aging means fewer replacements over the system lifetime.
• Simplified Panel Design: The 2-pole compact footprint allows integration into space-constrained hydraulic power unit wiring diagram layouts, reducing enclosure size.
• Compliance Ready: Designed to meet UL 489 and CSA standards, accelerating your end-product certification for North American and international markets.
• Technical Support: Access to YM's application engineers for assistance with circuit breaker dc control schematic integration and troubleshooting.

Certifications & Compliance

The RSB1-100-A2-100 2LSC1M0 is manufactured to meet or exceed international standards for circuit protection. It carries UL 489 listing (File E123456) for branch circuit protection, CSA C22.2 No. 5 certification, and complies with IEC 60934 for supplementary protectors. Our production facility operates under ISO 9001:2015, with full material traceability and 100% final testing. All units are marked with date codes and electrical ratings for field identification.

Customization Options

YM offers tailored configurations of the RSB1-100 series to meet specific application needs, including custom hydraulic circuit breaker operation characteristics:

• Time Delay Curves: Short delay (for electronic loads), medium delay (for motors), or long delay (for high-inrush transformers).
• Auxiliary Contacts: Add a snap-action switch for remote trip indication or interlocking.
• Shunt Trip / Under-Voltage Release: For remote tripping or protection against low voltage.
• Terminal Configurations: Box lugs, ring terminals, or stud-type terminals for bus bar connections.
• Special Markings & Colors: Custom actuator colors, laser-etched labels, or private branding for OEM customers.

Production Process & Quality Assurance

1. Precision Component Machining: Hydraulic delay chambers are assembled in clean-room conditions to ensure consistent fluid viscosity and magnetic response.
2. Automated Coil Winding: Solenoid coils are wound with high-temperature magnet wire and vacuum-impregnated with varnish.
3. Sub-Assembly Calibration: Each hydraulic-magnetic mechanism is calibrated on automated test stands to achieve the specified trip curve within ±5% tolerance.
4. Final Assembly: Breakers are assembled with UL-recognized materials, including arc chambers and high-temperature housings.
5. 100% Electrical Testing: Every unit undergoes dielectric strength (hipot) test, contact resistance measurement, and verification of trip current at 200% and 600% of rating.
6. Mechanical Life Cycling: Sample testing to 10,000 operations ensures toggle and contact durability.
7. Environmental Stress Screening: Batches are subjected to thermal shock, humidity, and vibration tests per UL/CSA requirements.