Water Pump Accessories

Water Pump Accessories

Multiquip Submersible Pump Control Box #CB200 – Cntrl Box ST3050D

When it comes to industrial dewatering and wastewater management, the Multiquip Submersible Pump Control Box #CB200 – Cntrl Box ST3050D (230V or 460V) stands as one of the most reliable and efficient control solutions available. Designed for Multiquip ST3050D pumps, this control box ensures dependable operation, electrical safety, and system performance for both 230-volt and 460-volt configurations.

Whether used in construction sites, mining operations, agricultural water transfer, or flood control, this Multiquip control system provides critical protection for submersible pumps while simplifying control and monitoring.

In this complete guide, we’ll cover everything you need to know about the Multiquip CB200 Control Box—its features, specifications, compatibility, setup, and maintenance—so you can make an informed purchasing decision and get the most from your submersible pumping system.

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What Is the Multiquip Submersible Pump Control Box #CB200?

The Multiquip CB200 Control Box is a factory-designed and pre-wired electrical control unit built specifically for Multiquip ST3050D Submersible Pumps.

Its primary purpose is to provide motor control, overload protection, and voltage conversion for the pump. It houses all the electrical components necessary to operate and protect the pump motor, including contactors, relays, circuit breakers, and wiring terminals.

In simple terms:

The CB200 is the “brain” of your submersible pumping system—it ensures your pump operates efficiently, safely, and with minimal downtime.

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Key Features of the Multiquip CB200 Control Box

The Multiquip CB200 offers industrial-grade engineering and long-term reliability. Here are its standout features:

1. Dual Voltage Compatibility (230V or 460V)

This control box supports both 230-volt and 460-volt power systems, making it suitable for a wide range of jobsite and facility configurations.

• Ideal for regions or applications where power supply varies.

• Allows easy wiring conversion between voltage systems.

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2. Factory-Matched Design for ST3050D Pumps

The CB200 was engineered to work seamlessly with the Multiquip ST3050D Submersible Pump, ensuring compatibility with motor performance curves and startup current requirements.

This integration minimizes electrical mismatch issues, extends motor lifespan, and maintains optimal efficiency under heavy loads.

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3. Rugged, Weather-Resistant Enclosure

Constructed from durable powder-coated steel, the enclosure protects internal components from dust, debris, and moisture.

With an IP-rated housing, the control box is ideal for harsh environments like construction zones, wastewater treatment facilities, and outdoor dewatering setups.

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4. Overload and Short-Circuit Protection

The built-in overload relays and circuit breakers protect both the pump and control system from power surges, phase loss, or short circuits. This ensures safe and stable operation even under fluctuating current conditions.

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5. Simple Plug-and-Play Installation

Multiquip designed the CB200 for easy installation with pre-wired internal components and clearly labeled terminals.

Electrical contractors can complete setup quickly, reducing downtime on the jobsite.

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6. Built-In Start and Stop Controls

The unit includes manual start/stop buttons and a power indicator light, allowing operators to control pump operation directly from the control box.

These controls can be connected to float switches or automatic level controllers for unattended operation.

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7. UL and CSA Compliance

All Multiquip control panels, including the CB200, are tested and certified to UL (Underwriters Laboratories) and CSA safety standards—ensuring top-level compliance for industrial and commercial installations.

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Technical Specifications

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Compatible Equipment

The CB200 is specifically designed for the Multiquip ST3050D submersible pump but can also work with other Multiquip ST-series or similar-rated pumps that meet the same electrical requirements.

Primary Compatibility:

• Multiquip ST3050D (3-inch discharge submersible pump)

• 230V or 460V configurations

• High-capacity water transfer and dewatering systems

Potential Additional Compatibility:

• ST3020 or ST2037 series (when matched with the correct motor amperage)

• Other industrial submersible pumps with comparable voltage and horsepower ratings

Always verify compatibility with Multiquip’s technical documentation or a certified technician before installation.

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Applications of the Multiquip CB200

This control box is a must-have for any industrial or commercial submersible pumping operation that demands reliability, protection, and control.

Common Use Cases Include:

1. Construction Dewatering:
   Removes groundwater from excavations, foundations, and basements.

2. Flood Management:
   Powers high-capacity pumps during emergency water removal or storm response.

3. Mining & Quarrying:
   Handles water accumulation in pits and tunnels where continuous operation is vital.

4. Agricultural Water Transfer:
   Supports irrigation, pond drainage, and livestock water management systems.

5. Municipal & Industrial Wastewater:
   Works with sewage lift stations and treatment facilities.

6. Utility & Rental Equipment Fleets:
   Frequently used by contractors and rental companies due to its durability and cross-voltage flexibility.

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How the Control Box Protects Your Pump

The CB200 doesn’t just control the pump—it actively protects it from costly damage and downtime.

1. Motor Overload Protection

Automatically disconnects the motor if it draws excessive current, preventing burnout.

2. Phase Loss Detection

Detects voltage loss or imbalance in three-phase systems and shuts off the pump before damage occurs.

3. Short-Circuit Protection

Built-in breakers isolate faults instantly, ensuring safety for the entire system.

4. Voltage Conversion

Accommodates both 230V and 460V systems without complex rewiring, reducing the risk of voltage mismatches.

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Installation Overview

Installing the Multiquip CB200 should always be performed by a qualified electrician familiar with industrial pump systems. However, the process is straightforward thanks to its user-friendly layout.

Basic Installation Steps:

1. Mount the control box on a solid wall or secure post near the pump system.

2. Connect incoming power leads from the main panel (230V or 460V).

3. Wire the pump motor leads to the designated terminals inside the box.

4. Attach optional float switches or sensors for automatic control.

5. Verify ground connections and ensure the box is sealed against moisture.

6. Test the system by briefly running the pump and confirming operation.

💡 Pro Tip: Always check Multiquip’s official wiring diagram for your pump model before energizing the system.

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Maintenance and Service

Routine maintenance ensures the CB200 and connected pump perform efficiently for years.

Recommended Maintenance Practices:

• Inspect the enclosure for corrosion or damage every six months.

• Tighten all terminals and connectors to prevent electrical arcing.

• Check relays and overload relays for wear or overheating.

• Clean interior components with compressed air to remove dust buildup.

• Test all safety devices (circuit breakers, overloads, and float controls).

🧰 Note: Always disconnect power before opening or servicing the control box.

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Benefits of Using the Multiquip CB200 Control Box

✅ Reliable pump performance in demanding industrial environments.
✅ Flexible dual-voltage design (230V/460V).
✅ Comprehensive motor protection for longevity.
✅ Simple installation and maintenance.
✅ UL/CSA certification for safety assurance.
✅ Built-in manual and automatic operation modes.
✅ Compatible with heavy-duty Multiquip ST-series pumps.

With its heavy-duty build, intuitive controls, and factory-matched compatibility, the CB200 delivers exceptional value to contractors, engineers, and maintenance professionals who demand dependable submersible pump operation.

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Why Choose Multiquip?

For over 50 years, Multiquip has been a trusted manufacturer of construction, power, and pumping equipment. Their commitment to quality, safety, and innovation makes their electrical control products—like the CB200—an industry standard.

Their systems are engineered to reduce downtime, improve energy efficiency, and extend equipment life—essential factors for any operation relying on submersible pump performance.

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Final Thoughts

The Multiquip Submersible Pump Control Box #CB200 – Cntrl Box ST3050D (230V or 460V) is a premium-grade control system built to ensure efficient, safe, and reliable submersible pump operation.

Whether you’re managing dewatering projects, flood control systems, or industrial wastewater operations, the CB200 provides the control, protection, and adaptability you need for uninterrupted performance.

With its dual voltage capability, rugged construction, and factory-matched compatibility, it remains one of the most trusted control boxes in the industry.

If you demand performance and reliability—Multiquip delivers.