THREE-PHASE MOLDED CASE CURRENT TRANSFORMER
TPCT SERIES
Overview
The TPCT Series is a three-phase molded case current transformer designed for simultaneous current measurement and monitoring of all three phases. By integrating three current transformers into a single compact housing, it significantly reduces installation space, simplifies wiring, and improves the overall appearance of electrical panels.
Designed for direct mounting on the line side or load side of Molded Case Circuit Breakers (MCCBs), the TPCT Series enables faster installation while optimizing panel space. It is an ideal solution for power distribution systems, industrial control panels, and energy management applications.
Key Features
- Integrated Three-Phase Design
Three current transformers integrated into a single compact housing for simplified installation and reduced wiring.
- High-Quality Housing
Flame-retardant engineering plastic housing with excellent electrical insulation and thermal resistance.
- High Reliability
Stable performance under demanding industrial operating conditions.
- High Accuracy
Class 1 accuracy for reliable current measurement and monitoring.
- Easy Installation & Maintenance
Designed for quick installation, easy inspection, and convenient replacement.
- Local ManufacturingManufactured locally with a stable supply chain and dependable product availability.
Applications
- Used in Energy Management Systems (EMS), Building Management Systems (BMS), and SCADA systems.
- Suitable for installation in power distribution boards, industrial control panels, and electrical monitoring systems.
- Provides current signals for ammeters, multifunction power meters, energy meters, PLCs, and other monitoring devices.
General Specifications
| parameter |
Values |
| Rated frequency |
50/60Hz |
| Rated insulation voltage |
3kV AC. (1 min) |
| Rated short-time thermal current (Ith) |
60In / 1s |
| Rated dynamic current (Idyn) |
2.5Ith |
| Rated voltage (Un) |
0.66kV AC |
| Continuous current (Id) |
1.2In |
| Operating temperature |
-100ºC ~ 50ºC |
| Housing self-extinguishing |
Class Vo |
| Primary current |
From 50 to 600A |
| Secondary current |
1A and 5A |
| Current Accuracy |
CL3.0 and CL1.0 |
| Phase Angle Accuracy |
CL3.0 and CL1.0 |
| Environment |
Indoor |
| Mounting |
DIN rail, busbar or base mounting |
| Sizes |
TPCT-103 (100A), TPCT-203 (200A), TPCT-403 (400A) |
TPCT Ordering Code
Overal Dimensions: TPCT-103
| Model |
Width |
Height |
Thickness |
Indoor size |
Weight |
| TPCT-103 |
77 |
63 |
75 |
10 x 15 mm |
308gr. |
| Model |
Ordering code |
Ratio |
Burden |
Class |
| TPCT-103 |
TPCT-103 50/5A-CL3 - 1VA |
3 x 50/5A |
1VA |
CL.3 |
| TPCT-103 100/5A-CL1 - 1VA |
3 x 100/5A |
1VA |
CL.1 |
Overal Dimensions: TPCT-203
| Model |
Width |
Height |
Thickness |
Indoor size |
Weight |
| TPCT-203 |
103 |
81 |
53 |
21 x 25 mm |
510gr. |
| Model |
Ordering code |
Ratio |
Burden |
Class |
| TPCT-203 |
TPCT-203 100/5A-CL1 - 1VA |
3 x 100/5A |
1VA |
CL.1 |
| TPCT-203 150/5A-CL1 - 1.5VA |
3 x 150/5A |
1.5VA |
CL.1 |
| TPCT-203 200/5A-CL1 - 1.5VA |
3 x 200/5A |
1.5VA |
CL.1 |
| TPCT-203 250/5A-CL1 - 1.5VA |
3 x 250/5A |
1.5VA |
CL.1 |
Overal Dimensions: TPCT-403
| Model |
Width |
Height |
Thickness |
Indoor size |
Weight |
| TPCT-203 |
143 |
97 |
56 |
31 x 31 mm |
670gr. |
| Model |
Ordering code |
Ratio |
Burden |
Class |
| TPCT-403 |
TPCT-403 250/5A-CL1 - 2.5VA |
3 x 250/5A |
2.5VA |
CL.1 |
| TPCT-403 300/5A-CL1 - 2.5VA |
3 x 300/5A |
2.5VA |
CL.1 |
| TPCT-403 400/5A-CL1 - 2.5VA |
3 x 400/5A |
2.5VA |
CL.1 |
| TPCT-403 600/5A-CL1 - 2.5VA |
3 x 600/5A |
2.5VA |
CL.1 |
TPCT Application Examples
