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QTM - Single phase resin filled measuring (potential) transformer

Transformer for measuring instruments, energy counters, protection relays, etc.

Series: 
QTM
Single phase resin filled measuring (potential) transformer
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  • Single input 100V up to 500V or 100 V / root3 up to 500 V / root3
  • Single output 100V or 110V or 100 V / root3 or 110 V / root3
  • Rating for Class 0,2 / 0,5 / 1
  • The ultimate transformer design
  • Transformer housing of Polymer of latest technology, non-flammable V-0 according to UL94
  • Advantages of using resin:
    • Protection against corrosive environments
    • Suitable for elevated vibration levels
    • No damage of wire isolation due to current peaks
    • Reduction of noise and internal vibrations

 

Products in this family

Reference Description Rating Input voltage Output voltage
QTM50 resin filled measuring transformer 2/5/7,5 VA (Cl 0,2/0,5/1) 100 .. 500V * 100 or 110V **
QTM51 resin filled measuring transformer 5/10/15 VA (Cl 0,2/0,5/1) 100 .. 500V * 100 or 110V **
QTM52 resin filled measuring transformer 10/15/25 VA (Cl 0,2/0,5/1) 100 .. 500V * 100 or 110V **
QTM53 resin filled measuring transformer 15/30/50 VA (Cl 0,2/0,5/1) 100 .. 500V * 100 or 110V **
QTM55 resin filled measuring transformer 30/50/75 VA (Cl 0,2/0,5/1) 100 .. 500V * 100 or 110V **
QTM57 resin filled measuring transformer 50/75/100 VA (Cl 0,2/0,5/1) 100 .. 500V * 100 or 110V **
QTM510 resin filled measuring transformer 75/100/150 VA (Cl 0,2/0,5/1) 100 .. 500V * 100 or 110V **

Dimensions and weights

Reference Description Rating Dimensions mm Weight kg Fig
A B C D E Ø
QTM50 resin filled measuring transformer 2/5/7,5 VA (Cl 0,2/0,5/1) 106 123 118 110 74 5 2.6
QTM51 resin filled measuring transformer 5/10/15 VA (Cl 0,2/0,5/1) 118 138 131 121 88 6 4.6
QTM52 resin filled potential transformer 10/15/25 VA (Cl 0,2/0,5/1) 118 138 131 121 88 6 4.6
QTM53 resin filled potential transformer 15/30/50 VA (Cl 0,2/0,5/1) 136 162 156 145 104 6 6.7
QTM55 resin filled potential transformer 30/50/75 VA (Cl 0,2/0,5/1) 136 162 156 145 104 6 7.8
QTM57 resin filled measuring transformer 50/75/100 VA (Cl 0,2/0,5/1) 136 162 156 145 104 6 9.9
QTM510 resin filled potential transformer 75/100/150 VA (Cl 0,2/0,5/1) 136 162 180 145 104 6 11.5

Technical characteristics

Insulation Class B - 130º C
Windings Class HC - 200ºC
Accuracy class
0,2, 0,5 and 1 according to rating
Cover Polymer of latest technology, non-flammable V-0 according to UL94
Frequency 50-60 Hz
Protection degree
IP-20
Mounting By screws
Standards IEC/EN/UNE-EN 61869-3, CE
Remarks Low losses core
Options Input voltage up to 7,2 kV (please consult)
Protection transformer class 3P or 6P (please consult)
Thermal rating
6 times nominal rating
Continuous over voltage 1,2 times nominal voltage
Ambient temperature
50ºC
Test voltage
3 kV (1 min, 50 Hz)
RemarksResin filled
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