Is the device suitable for harsh environments?

Yes. It features isolated cooling channels and an enhanced protective casing resistant to humidity and dust, supporting both wall-mounting and direct motor-mounting.

What communication protocols are supported?

The controller features built-in RS485 communication using the Modbus RTU protocol for integration with other systems.

Bedford High-Performance Frequency Inverter for Water Pump

Name: Bedford High-Performance Frequency Inverter for Water Pump
Brand: GUANGZHOU BEDFORD ELECTRIC EQUIPMENT CO.,LTD.
SKU: 705700147

Guangdong, ChinaGUANGZHOU BEDFORD ELECTRIC EQUIPMENT CO.,LTD.

US$210.00

1-4 Pieces

US$200.00

5-9 Pieces

US$190.00

10+ Pieces

Product profile

Customization

Available

Application

Single-phase Transducer

Output Type

Triple

Model NO.

B603PRO-4007

Principle of Work

V/F Control Transducer

Switch Mode

PWM Control

Main Circuit Type

Voltage

Voltage of Power Supply

Low Voltage Variable-Frequency Drive

Link of Transformation

AC-DC-AC Variable-Frequency Drive

Nature of DC Power

Current Variable-Frequency Drive

Function

Constant Torque Universal Type

Brand

Bedford

Color

Blue

Characteristics

Special Designed for Water Pump

Special

Constant Pressure Control

Power Range

0.75~132kw

Voltage

3pH 380V

Transport Package

CTN or Wooden Case

Specification

single phase/three phase 220V 1~3HP

Trademark

BEDFORD

Origin

Guangzhou, China

Production Capacity

50000PCS/Year

Key features

Supports up to 6 pumps (includes advanced PlD control and automatic switching to "direct-on-line" operation)

Soft start, fault display, pressure setpoint entry, automatic stop on low flow, energy-saving function

Dynamic Braking: Built-in

Short-term Current Overload: 150% for 60 seconds, 180% for 2 seconds

Company profile

Importers and ExportersSelf-brandedPatents AwardedExhibition Experience

GUANGZHOU BEDFORD ELECTRIC EQUIPMENT CO.,LTD.

Guangdong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 19 Years CertifiedNearest Port: Shenzhen Port, Foshan Port, Guangzhou PortAverage Response Time: ≤8.17h

AI-Powered supplier vetting

SummaryThe supplier presents capabilities in technical development, OEM/ODM production, customization, and 3D software design. It holds ISO9001:2015, ISO14001, and ISO45001:2018 certifications, with RoHS and CE product certification capabilities. Service coverage includes training, repair, debugging, installation, and maintenance, but no overseas warehouses, showrooms, agents, or branches are reported. Production-related evidence includes assembly and testing equipment, documented finished-product inspection, and one-month average lead times in both peak and off-season periods. Financial records are identified for 2020–2022, but no financial results are provided. Innovation evidence is mixed: SDK availability and customization are reported, while no new product was developed in the past year. No specific customer cases are disclosed.

CertificationsThe supplier reports ISO9001:2015 and ISO14001:2015 certificates, while the sustainability record also lists ISO14001 and ISO45001:2018. It additionally reports RoHS and CE product certification capability, providing explicit evidence of quality, environmental, occupational health and safety, and product-compliance credentials.

After-Sales capabilityReported overseas service offerings include training, repair, debugging, equipment installation, and maintenance, and the supplier has participated in the Canton Fair. However, it reports no overseas warehouse, showroom, overseas agent, or branch, which may limit local service infrastructure.

Production capacityProduction-related infrastructure includes an assembling line, automatic tester, terminal crimping machine, wire stripping machine, and test platform. Finished-product inspection instructions are documented and uniformly followed, service capability is supported by written procedures and records, and average lead time is reported as one month in both peak and off-season.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full, minor, and flexible customization, as well as 3D software design, OEM, and ODM services. It also states that it can develop special electric products to meet customer requirements, providing strong direct evidence of customization capability.

Product Q&A

Q:Does the B603PRO require complex parameter setup?

No. It features a factory-preconfigured Constant Pressure Macro that allows one-touch operation. Users only need to connect a pressure sensor and set the target pressure, cutting setup time by 90%.

Q:How does the controller handle dry-run protection?

It uses patented intelligent dry-run protection that detects conditions via motor current and torque algorithms. It automatically stops the pump and attempts scheduled auto-restarts, eliminating the need for external liquid level sensors.

Q:Can multiple pumps be controlled without a PLC?

Yes. The B603PRO supports master-slave multi-pump control for up to 6 units via a single RS485 line. It automatically manages duty/standby rotation and auto-staging, removing the need for external PLCs.

Q:What are the typical application scenarios?

It is suitable for residential and high-rise building water supply, commercial and industrial water cycling, smart agricultural irrigation, and pump OEM integration for direct factory mounting.

Q:What safety protections are built-in?

The controller includes safeguards against pipe bursts, over-pressure, low-pressure, freezing, scaling, and features automatic sleep/wake modes based on water demand.