Perform core loss testing on stators, rotors, and armatures to insure the quality of a motor or motor rewind
Perform hot spot testing to identify localized shorted laminations that cause hot spots and insulation failure in a motor
Fully automated with data acquisition
True sine wave output ensures accurate and repeatable test results
Simple set-up and operation
CL125BCL500BCL25BCL60B
Safety and design features.
Main power circuit breaker
Fused power control circuits
Emergency Off pushbutton
Multi-range digital meters
External interlock provision
Continuously variable output
Thermal overload protection
Output is controlled by a motorized voltage regulator with variable rate of rise
Output cables for stator testing
Internal, external, and transient overload protection
Zero-start interlock
Rugged steel cabinet
Casters, lockable cover, and storage hook (CL10B, CL25B, CL60B, CL125B)
Separate voltmeter leads for greater metering accuracy
Operation/Maintenance manual
CL10B
Output tap
Voltage @ 50/60 Hz
Current
Tap 5 V L
0-1.67 VAC
2000 A
Tap 5 V M
1.67-3.34 VAC
2000 A
Tap 5 V H
3.34-5.0 VAC
2000 A
Tap 15 V L
0-5.0 VAC
667 A
Tap 15 V M
5.0-10.0 VAC
667 A
Tap 15 V H
10.0-15.0 VAC
667 A
CL25B at 50 Hz
Output tap
Voltage
Current
Tap 10.4 V L 50 Hz
0-3.46 VAC
2000 A
Tap 10.4 V M 50 Hz
3.46-6.94 VAC
2000 A
Tap 10.4 V H 50 Hz
6.94-10.41 VAC
2000 A
Tap 20.8 V L 50 Hz
0-6.94 VAC
1000 A
Tap 20.8 V M 50 Hz
6.94-13.88 VAC
1000 A
Tap 20.8 V H 50 Hz
13.88-20.8 VAC
1000 A
CL60B at 50 Hz
Output tap
Voltage
Current
Tap 25 V step 1
0 – 5 VAC
2000 A
Tap 25 V step 2
5 – 10 VAC
2000 A
Tap 25 V step 3
10 – 15 VAC
2000 A
Tap 25 V step 4
15 – 20 VAC
2000 A
Tap 25 V step 5
20 – 25 VAC
2000 A
Tap 50V step 1
0 – 10 VAC
1000 A
Tap 50V step 2
10 – 20 VAC
1000 A
Tap 50V step 3
20 – 30 VAC
1000 A
Tap 50V step 4
30 – 40 VAC
1000 A
Tap 50V step 5
40 – 50 VAC
1000 A
CL125B at 50 Hz
Output tap
Voltage
Current
Tap 25 V step 1
0 – 5 VAC
4200 A
Tap 25 V step 2
5 – 10 VAC
4200 A
Tap 25 V step 3
10 – 15 VAC
4200 A
Tap 25 V step 4
15 – 20 VAC
4200 A
Tap 25 V step 5
20 – 25 VAC
4200 A
Tap 50V step 1
0 – 10 VAC
2100 A
Tap 50V step 2
10 – 20 VAC
2100 A
Tap 50V step 3
20 – 30 VAC
2100 A
Tap 50V step 4
30 – 40 VAC
2100 A
Tap 50V step 5
40 – 50 VAC
2100 A
Tap 75V step 1
0 – 15 VAC
1400 A
Tap 75V step 2
15 – 30 VAC
1400 A
Tap 75V step 3
30 – 45 VAC
1400 A
Tap 75V step 4
45 – 60 VAC
1400 A
Tap 75V step 5
60 – 75 VAC
1400 A
CL300B
Output tap
Voltage
Current
Tap 60V step 1
0 – 12 VAC
5000 A
Tap 60V step 2
12 – 24 VAC
5000 A
Tap 60V step 3
24 – 36 VAC
5000 A
Tap 60V step 4
36 – 48 VAC
5000 A
Tap 60V step 5
48 – 60 VAC
5000 A
Tap 120V step 1
0 – 24 VAC
2500 A
Tap 120V step 2
24 – 48 VAC
2500 A
Tap 120V step 3
48 – 72 VAC
2500 A
Tap 120V step 4
72 – 96 VAC
2500 A
Tap 120V step 5
96 – 120 VAC
2500 A
Coreloss testing benefits
The function of a core loss test set is to determine whether a motor has damaged core ironDamage could include shorts between laminations and damage caused by winding failure.A vital step in the rewinding of a motor is performing a core loss test before the windings are removed to detect any damage to the core.After the windings are removed, the core should be re-tested to verify that it was not damaged during removal of the old winding. Although it is possible for a motor to still run with core damage, the efficiency of the motor will be greatly reduced. The motor will consume more power to operate at normal levels and it will cause the motor to generate more heatHeat will in turn reduce the reliability of the motor and its overall functional life. An increase of 10°C in the winding can reduce thermal insulation life by half. All of these consequences add up to more operating and mainte- nance cost and loss of production time.
Model
CL10B
CL25B
CL60B
CL125B
CL300B
CL500B
Approximate test capacity
350 kW
900 kW
1800 kW
3600 kW
8600 kW
14000 kW
Voltage at 50 Hz
208/230 VAC
400/415 VAC
400/415 VAC
400/415 VAC
400/415 VAC
400/415 VAC
KVA
10
25
60
125
300
500
Volt-meter range
0-5.000/ 15.000 V
0-15.000/ 25.000 V
0-30.000/ 60.000 V
0-30.00/ 60.00/ 90.00 V
0-60.00/ 120.00 V
0-100.00/ 200.00 V
Current-meter range
0-667/ 2000 A
0-1000/ 2000 A
0-1000/ 2000 A
0-1400/ 2100/ 4200 A
0-1250/ 2500/ 5000 A
0-1250/ 2500/ 5000 A
Watt-meter range
0-10 kW
0-25 kW
0-60 kW
0-125 kW
0-300 kW
0-500 kW
Input power cable
6 ga, 3 m
6 ga, 5 m
4 ga, 9 m
1/0 ga, 9 m
–
–
Output power cable
500 MCM 3 m
500 MCM 5 m
500 MCM 9 m
500 MCM 9 m
500 MCM 8 m
500 MCM 9 m
Metering Lead
3 m
5 m
9 m
9 m
8 m
9 m
Length
1067 mm
1067 mm
1143 mm
1549 mm
1676 mm
2794 mm
Width
737 mm
737 mm
737 mm
965 mm
1676 mm
1778 mm
Height
1143 mm
1143 mm
1245 mm
1295 mm
1753 mm
1727 mm
Weight
274 kg
383 kg
680 kg
953 kg
2177 kg
3062 kg
Clamp assembly for rotor/ armature testing
Models CL10B, CL25B, CL60B
Model CL125B
Model CL300B
Model CL500B
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