XZM-CT50A01
ZETTLER
www.ZETTLER-group.com page 1 of 3 2023-03-30
PRECISION CURRENT SENSE TRANSFORMER
ELECTRICAL DATA
FEATURES
• Measuring current transformer acc. IEC 61869-1, IEC 61869-2
• Designed for IEC 61851-1 charging applications
• Ideal for current / power monitoring and metering applications
• Current rating 50 Arms
• Primary to secondary insulation according OVC III / PD 3
• Dielectric strength 4 kV AC
• UL approved class B insulation system
• TÜV type approved
Primary current
rating
overload withstand
impulse current withstand
50 A
70 A (1min.)
2 kA (half wave)
Approved ratings
primary current
extended current
secondary current
short time thermal current
system voltage
(TÜV)
50 A
120 %
50 mA
1 kA
≤ 800 V
Working frequency 50/60 Hz (sin.)
Turns ratio NS:NP1000:1
Accuracy
classification
magnitude error
phase error
(at RL=50Ω)
Class 0.2 (acc. IEC 61869-2)
≤ 0.5% (< 0.1% typ. @ 0.5 - 50 A)
≤ 1° (< 0.3° typ. @ 0.5 - 50 A)
Secondary output
transformation ratio
max. voltage
burden resistor RL
60 mV/A (typ. Ta=23°C, RL=50Ω, f=50Hz)
3.0 V
50 Ω (recommended)
Windings
PRI DC resistance
SEC DC resistance
< 0.2 mΩ (typ.)
≤ 60 Ω (< 50 Ω typ.)
Dielectric strength
PRI to SEC (at sea level, 1mA, 50/60Hz, 1sec.)
4 kV AC
Insulation
PRI to SEC (acc. IEC60664-1)
Reinforced (300 VAC, OVC III, PD 3)
Isolation spacing
clearance/creepage
solid insulation (dti)
(Primary to Secondary)
≥ 11.5 mm
1.0 mm
Temperature range
operating / storage
-40°C (-40°F) to 85°C (185°F)
Vibration resistance 0.062" (1.5 mm) DA at 10–55 Hz
Shock resistance 10 g
Enclosure
material group
flammability
IIIa
UL94 V-0
Terminals Tinned copper alloy
Soldering
preheating
soldering
(referring IEC 61760-1 wave soldering)
120°C (248°F) / ≤ 120 s
260 ±5°C (500 ±9°F) / ≤ 10 s
Cleaning
max. solvent temp.
max. immersion time
80°C (176°F)
30 seconds
Dimensions
length (max.)
width (max.)
height (max.)
23.0 mm (0.906”)
23.0 mm (0.906”)
20.0 mm (0.787”)
Weight 23 grams (approx.)
Compliance RoHS, REACH
Agency approvals TÜV: R 50576118
Electrical insulation system Class B
Packing unit in pcs 60 per plastic tray / 420 per carton box
GENERAL DATA
ORDERING DATA
XZM-CT50A01
Option
nil: standard version
(xxx): special version
WIRING DIAGRAM
Burden resistor RL and meter not included and shown for reference only.
Dots indicate winding directions.
