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1861A708 Starter Electrical Systems Switch Regulator 6 Wires Type 605-2 24V DC for Prestolite Alternator 8SC Type

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Voltage Regulation: Ensures stable 24V DC power distribution for Prestolite 8SC Type alternators, optimizing electrical system performance in heavy-duty vehicles.
  • Multi-Wire Control: 6-wire design enables precise management of complex electrical loads, supporting advanced functionalities like battery charging and load management.

Key features

  • 1. Material Technology

  • With a 24V DC design, you can achieve twice the power capacity of 12V regulators for heavy-duty commercial vehicles.*

  • 2. Interactive Design

  • With a 6-wire configuration, you can ensure precise compatibility with Prestolite 8SC alternators, minimizing installation adjustments.*

  • 3. Performance Parameters

  • With robust voltage regulation technology, you can maintain stable power output even under high electrical loads in buses and coaches.*

  • 4. Scenario Solutions

  • Designed specifically for commercial buses like the Falcon 45, you can ensure reliable power management for continuous long-haul operations.*

  • 5. Certification Standards

  • With certification to international automotive standards, you can trust its safety and reliability in commercial applications.*

Product details

1861A708 Starter Electrical Systems Switch Regulator 6 Wires Type 605-2 24V DC for Prestolite Alternator 8SC Type

The 1861A708 Starter Electrical Systems Switch Regulator is a 24V DC component designed for Prestolite 8SC-type alternators, specifically engineered for heavy-duty applications in commercial vehicles like the Falcon 45 bus and international coach models. Its 6-wire configuration ensures precise voltage regulation and compatibility with high-power electrical systems.

Technical specifications

FeatureSpecificationBenefit
Voltage Compatibility24V DCEnsures stable power distribution in heavy-duty buses.
ApplicationBus/Coach International ModelsOptimized for commercial vehicle reliability.
Model CompatibilityFalcon 45, BusesDirect fit for specified vehicle architectures.
Wiring Configuration6-Wire Type 605-2Supports advanced electrical system integration.

Customization guide

Adjustable wiring configurations can be tailored to match specific alternator setups or voltage tolerance requirements for specialized commercial vehicle fleets.

Get inspired

Enhance your vehicle’s electrical system performance with a regulator built for commercial durability. Whether managing fluctuating power loads in urban transit or maintaining reliability in long-haul coaches, this regulator ensures seamless operation.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Max Current Capacity120A138A (+15%)156A (+30%)
Temperature Tolerance-30°C to +85°C-40°C to +90°C-45°C to +100°C
Durability Rating50,000 cycles75,000 cycles100,000 cycles

Supplier's note

  1. Technical Breakthroughs:

    • 24V DC Stability: With a 24V DC rating, you can ensure reliable power management in heavy-duty buses under varying load conditions.
    • Wider Temperature Range (Pro Model): The Pro version’s -45°C to +100°C tolerance exceeds industry standards, enabling operation in extreme environments.
    • Enhanced Cycle Life: The Pro Model’s 100,000-cycle durability outperforms competitors by 20%, reducing replacement needs for commercial fleets.
  2. Version Selection Guide:

    • Base Model: Ideal for standard bus fleets requiring cost-effective, reliable power regulation.
    • Advanced Model: Suitable for frequent long-haul operations where moderate temperature and load resilience are critical.
    • Pro Model: Recommended for extreme-duty applications (e.g., mining vehicles or Arctic transit) where prolonged durability and temperature resistance are paramount.

With the Pro Model’s triple-certified chemical resistance and 100,000-cycle lifespan, you can eliminate downtime in harsh environments. Pair its high-temperature tolerance with heavy-gauge wiring to ensure uninterrupted power delivery during peak loads.

Frequently asked questions

  • Which buses or coaches is the 1861A708 Starter Electrical Systems Switch Regulator suitable for?

  • How do I maintain the 24V DC switch regulator for optimal performance?

  • How does the 1861A708 compare to other 24V regulators for commercial vehicles?

  • Can the 1861A708 be adapted for non-Prestolite 8SC alternators?

  • Is the 1861A708 regulator certified for commercial vehicle use?

  • What tools are needed to install the 1861A708 regulator?

  • What’s the warranty period for the 1861A708 regulator?

  • Does the 24V regulator work with all 24V bus systems?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Standard Automotive RegulatorPassenger cars, light-duty vehiclesVoltage: 12V DC (SAE J1171)
Current: 50–100A (ISO 6469)
Cost-effective, widely compatible with most vehicles.Limited to 12V systems; inadequate for heavy loads (e.g., buses).
Heavy-Duty Commercial RegulatorBuses, trucks, commercial vehiclesVoltage: 24V DC (ISO 6469)
Current: 150A (▲▲ vs 50A standard)
Noise: 43 dBA (quieter than refrigerator hum)
Handles 24V systems for heavy-duty use; durable for commercial environments.Higher cost; requires specialized installation.
Industrial Alternator RegulatorIndustrial machinery, heavy equipmentVoltage: 48V DC (IEC 60038)
Current: 300A (▲▲▲ vs 50A standard)
Temp Range: -40°C to +85°C (MIL-STD-810)
Supports high-power applications; extreme temperature resilience.Complex wiring; incompatible with standard automotive systems.
Marine Alternator RegulatorBoats, marine vehiclesVoltage: 12/24V DC (ABYC E-11)
Waterproof: IP67 (immersion-resistant)
Dual-voltage flexibility; waterproof for marine environments.Lower current capacity (max 100A); bulkier design.
Electric Vehicle RegulatorElectric vehicles (EVs), hybrid systemsVoltage: 400V DC (ISO 6469-2)
Efficiency: 98% (IEC 61800-3)
High efficiency for fast charging; compatible with high-voltage EV systems.Expensive; requires advanced cooling systems.
Compact RegulatorCompact vehicles, motorcyclesVoltage: 12V DC (small form factor)
Weight: 1.2 kg (ISO 3801)
Lightweight and space-saving for tight engine bays.Limited to 12V systems; lower current capacity (max 70A).

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