What is the minimum order quantity?

The minimum order quantity is 1 PC.

What payment terms are accepted?

We accept T/T and LC as terms of payment.

72V-550A for Electric Vehicles

Name: Curtis Programmable DC Series Motor Controller 1221m-6701 48V/60V/72V-550A for Electric Vehicles
Brand: Hefei Huanxin Technology Development Co., Ltd.
SKU: 836047465

Anhui, ChinaHefei Huanxin Technology Development Co., Ltd.

US$269.00

1-9 Pieces

US$265.00

10-19 Pieces

US$260.00

20+ Pieces

Sample price:US$269.00/piece.Request sample

Product profile

Customization

Available

Type

Controller

Motor Type

DC Motor

Model NO.

1221M-6701

Voltage

48V/72V

Current

500A

Application

Electric Vehicle

Working Temp

-40°c to 50°c

Dimensions

L281xw180xh80 mm

Storage Ambient Temperature Range

-40°c to 85°c

Quality

Excellent

Warraty

1 Year

Transport Package

Carton/Pallet

Trademark

Curtis

Origin

China(Mainland)

Production Capacity

3000 Pieces/Month

Key features

Programmable Control: Tailored to specific applications via handheld programmer or PC station.

High Efficiency: High-frequency switching and ultra-low voltage drops for silent operation.

Robust Protection: Includes thermal, undervoltage, and throttle fault protection circuits.

Durable Housing: Rugged anodized aluminum extruded housing with IP65 sealing.

Versatile Voltage: Supports 48V, 60V, and 72V nominal battery voltages.

Wide Current Rating: 550A 2-minute rating, 375A 5-minute rating, 225A 1-hour rating.

Flexible Throttle: Compatible with 0-5K ohm, 5K-0 ohm, or 0-5V throttle types.

Compact Design: Dimensions L281xW180xH80 mm, net weight 4.9 kg.

Company profile

Experienced TeamODM Services100% Finished Products InspectionR&D Capabilities

Hefei Huanxin Technology Development Co., Ltd.

Anhui, 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: 8 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤5.08h

AI-Powered supplier vetting

SummaryThe supplier is explicitly identified as a professional technical supplier with 3D design, SDK, ODM, OEM, and broad customization capabilities. It reports 15 R&D engineers, new product development in the past year, and product capacities across motor controllers, DC-DC converters, battery chargers, battery indicators, and drive wheel units. ISO9001:2015 and CE certifications are stated. Service coverage includes training, debugging, maintenance, repair, and equipment installation in Thailand, with peak- and off-season lead times within 15 working days. Financial records are indicated for multiple years, but the provided information does not establish financial strength. Quality procedures exist but lack written records in several areas. No overseas warehouse, showroom, agent, or branch is reported, and no Fortune 500 cooperation is stated.

Supplier typeThe supplier is explicitly described as a professional technical supplier and reports R&D capability, 3D software design, ODM services, and OEM service for popular brands. This supports classification as a technical, design-oriented manufacturer or supplier.

CertificationsThe supplier reports an ISO9001:2015 management-system certificate and CE product compliance certification. These are explicit certifications relevant to quality management and product conformity.

After-Sales capabilityThe supplier provides overseas services in Thailand covering training, debugging, maintenance, repair, and equipment installation, with stated lead times within 15 working days in both peak and off-season periods. However, it has no overseas warehouse, showroom, agent, or branch, and several service-management procedures lack written records.

R&D capabilityThe supplier reports 15 R&D engineers, SDK availability, 3D design services, new product development during the past year, and responsibilities covering customer-request confirmation, technical production support, after-sales support, and new product development. These facts explicitly demonstrate organized innovation and technical-development capability.

Production capacityReported annual capacities include 30,000 motor controllers, 100,000 DC-DC converters, 30,000 battery chargers, 50,000 battery indicators, and 3,000 drive wheel units. The supplier also identifies a stamping facility, providing explicit evidence of production capability, although the slices do not define whether these volumes meet a specific purchasing requirement.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, flexible customization, and minor customization. It also provides 3D software design services, indicating broad support for customized product development.

Product Q&A

Q:How is the controller programmable?

It can be programmed via the CURTIS Model 1313-4331 Handheld Programmer or the 1314 PC Programming Station, allowing configuration flexibility and diagnostic capabilities.

Q:What are the current ratings?

The controller has a 2-minute current rating of 550A, a 5-minute rating of 375A, and a 1-hour rating of 225A.

Q:Is the controller suitable for harsh environments?

Yes, it features a rugged anodized aluminum extruded housing that meets IP65 environmental sealing standards.

Q:What safety protections are included?

It includes thermal protection, undervoltage cutback, throttle fault protection, and a high pedal disable feature to prevent accidental operation.

Q:What throttle types are supported?

It supports 0-5K ohm (default), 5K-0 ohm, and 0-5V throttle types.