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We have abtained CB, IEC ,ISO9001:2015 transformer approvals:
1.The dimension of the GREWIN electronic toroidal transformer coil winding machine without toroidal coil noise
The Partial List of GW-B Series Toroidal Transformers with Cable and Mounting Holes:
Horizontal (non-conventional-type base plate), sunk, side type, and bridge.
Especially low-hum and low-dispersing construction
Low-level of induction
High-grade design casing possible
Statically shield winding and magnetical shield winding optional .
Be used widely such as audio equipment,communication,new energy areas,Electrical control,Cable TV network etc.
Over 50 sets toroidal/annular/ ring coil winding machines, 3 EI type transformer lines, 2 sets of vacuum annealing furnaces, A set of nitrogen and hydrogen production equipment as below:
. Automatic Winding Machine
. Semi-automatic Winding Machine
. Toroidal Winding Machine
. Insert Lamination Machine
. Wave Soldering Machine
. Plastic Termal Ultraviolet Machine
. Domino Ink Jet Printing Machine
Transformer Multitester for High & Low Frequency
Layer Insulation Withstand Voltage Tester
Under no circumstances should both ends of the fixing bolt simultaneously contact the metal chassis or framework as this would create a potentially dangerous 'shorted-turn'.
The certificate of our transformer has CE CQC RoHs UL
The above-mentioned toroidal transformer is frequently-used, we can also manufacture the products by customer design. And the specification is for reference, if has the change further, please take the material object as the standard.
7.GREWIN'S Dimension :
External diameter: 55mm-300mm, height :13mm-130mm, Efficiency: 75-98%
we can design the appropriate products according to customers' requirments such as installation dimension, input and output voltage,power...etc.)
Our waterproof transformer:
Tianjin Grewin Technology Co.,Ltd.