China made 24v 300a dc motor speed controller for electric vehicle can replace the curtis 1207B-5101

1207B-4102 is the upgraded version of 1207/1207A DC Series Motor Controllers. 1207B-4102 is fully compatible with the old 1207/1207A controllers, ideal for replacing 1207A-41xx controller (for example 1207A-4107).
The 1207B controller accepts a variety of throttle inputs, through various combinations of its four throttle input pins. Throttle types:
Type 1 = 5kΩ–0
Type 2 = 0–5V, 3-wire pot, and electronic throttles
Type 3 = 0–5kΩ throttles

KSI input voltage: 16 – 30 V
KSI input current (typical):
80 mA without programmer
130 mA with programmer
Logic input current (typical): 10 mA at 24 V
Logic input threshold: 8 V
Ambient operating temperature range: -25°C to 50°C
Heatsink overtemperature cutback: 85°C
Heatsink undertemperature cutback: -25°C
Package: splash resistant

      Hefei Huanxin Technology Development Co., Ltd. has been devoting ourselves to developing and manufacturing and other since 2004. We are located in Hefei, Anhui Province, with convenient transportation access. We employ over 101 - 200 People staff members. We have achieved great improvement since our company was founded in 2004. We abide by the motto of First-class quality,Reasonable price, Best service and Professional product support. 

Package:Normally we use the standard exporting parcel. We also can package the item according to clients' request .

Shipping :
1. By Couriers: DHL, UPS, FEDEX, TNT are the main courier companies we are cooperating.
2. By Air: Delivery from the Shanghai airport to customer's destination city air port.
3. By Sea: Delivery from the Shanghai/Guangzhou/Ningbo sea port .

Q1. Can I have a sample order?
A: Yes, we welcome sample order to test and check quality.

Q2. What about the lead time?
A: Samples arrived often need 3-5 days.

Q3. Do you have any MOQ (minimum order quality)limit?
A: Low MOQ, 1pc for sample checking is available.

Q4. How do you ship the goods and how long does it take to arrive?
A: We often ship by DHL, UPS, FedEx or TNT. It usually takes 3-5 days to arrive. Airline and sea shipping is also optional.

Q5. How to proceed an order?
A: Initially, let us know your requirements or application. Besides, We quote according to your requirements or our suggestions. Thirdly, customers confirms the samples and places deposit for formal order. Finally, We arrange the production.

Q6. Is it acceptable to print my logo on the product?
A: Yes. Please inform us formally before our product and confirm the design firstly based on our sample.

Q7: Do you offer guarantee for the products?
A: Yes, we offer one-year warranty for our products.

Q8: How to deal with the flaw?
A: Our products are produced in strict quality control system and the percent of pass is often maintained over 99.8%.