high performance variable frequency control close loop tower crane inverter

FOB Reference Price:Get Latest Price
$1.00 - $380.00 / Piece | 2 Piece/Pieces (Min. Order)
Output Power:
Input Voltage:
3 Phase 380-480V
Output Voltage:
AC 3 Phase 380-480V
Customized packaging (Min. Order: 200 Pieces)
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Quick Details
Place of Origin:
Fujian, China
Brand Name:
Model Number:
ac motor speed controller
Output Type:
Output Current:
4-112A(HD) / 16.5-150A(ND)
Output Frequency:
Product name:
sanch S3800 speed frequency board vfd
multi-function ac motor speed controller
Heavy Duty/Normal Duty
PG card:
speed sensor or no-speed sensor
overload capacity:
HD 200% in 3sec. 150% in 60sec./ND 120% 60sec.
variable controlling modes
SGS ISO9001 ISO14001 OHSAS18001 CE
environment friendly:
keep RoHS
overloading, over heat over current over voltage and so on
Supply Ability
Supply Ability:
100000 Piece/Pieces per Year
Packaging & Delivery
Packaging Details
The inverter in a plastic bag would be protected by two EPE buffers in a carton independently. And then each packed item would be stacked up on pallets if the quantity is large.
Video Description
Product Description

   ac induction motor speed control Source

S3800 series was R&D independently  by Sanch R&D team in 2013, widely applied to many different industries because of it's general functions. It adopts vector control with speed sensor/without speed sensor, dynamic torque vector control and V/f control.


   ac induction motor speed control strengt

Higher control performance

  • Variable control modes: vector control with speed sensor/without speed sensor , dynamic torque vector control and  V/f control.
  • Quicker response: quicker response to current and speed. 
  • Longer durability to overloading: High Duty (100% in 3 sec. 150% in 60 sec.), applied to general purpose; Normal Duty (120%in 60sec.), applied to fan and pump etc.

Double Specification

  • Choose HD/ND by setting parameters
  • Choose different modes according to your purpose

Environment friendly

  •  Follow RoHS
  •  More environmentally friendly

 ac induction motor speed control Standard specifications






 ac induction motor speed control Wiring Diagram









Packaging & Shipping


  ac induction motor speed control Standard Packaging

The inverter in a plastic bag would be protected by  two EPE buffers in a carton independently. And then each packed item would be stacked up on pallets if the quantity is large.

  ac induction motor speed control Fast Shipping

If the quantiy is large, the cargo would be shipped out by sea. While small quantity would be arranged by  express like UPS, DHL, Fedex. 


Our Services

 Considerate Service

1. We offer the R&D services  with our own devoloping technology. Thus, OEM and ODM are accepted

2. All of the Sanch products have their own warranty in which we help you remove your any confusion free.

3. MOQ of  all products is ONE PIECE.

4.Our  international express partner(DHL/Fedex) can help you  deal with the delivery process if needed.

5.We can offer you  factory direct sale price 


Company Information





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