20 Series Moulded Case CTs
Description
A range of compact low cost moulded case current transformers suitable for primary currents from 400A to 2000A with built in sealable terminal covers.
Application
For transforming various primary currents into 5A or 1A standard secondary using 60x30mm or 80x10mm busbars or cables up to 60mm diameter
Features
- Built in sealable terminal covers
- Mounting feet supplied
- Narrow width - 100mm
- Wide range of primary current
Technical Specification
- Conforms to IEC 185, BS 7626, BSEN 60044-1 and IEC 60044-1
- Rated system voltage 0.72 / 3kV
- Continuous Current 1.2 x rated current
- Ambient temperature range -30ºC to 85ºC
Range
| Class 3 | Class 1 | Class 0.5 | ||||||||||
| VA | 2.5 | 5 | 10 | 15 | 2.5 | 5 | 10 | 15 | 2.5 | 5 | 10 | 15 |
| 400A | A1 | A2 | A3 | - | A5 | A6 | A7 | - | A9 | A10 | - | - |
| 500A | B1 | B2 | B3 | - | B5 | B6 | B7 | - | B9 | B10 | - | - |
| 600A | C1 | C2 | C3 | C4 | C5 | C6 | C7 | - | C9 | C10 | - | - |
| 800A | D1 | D2 | D3 | D4 | D5 | D6 | D7 | D8 | D9 | D10 | D11 | - |
| 1000A | E1 | E2 | E3 | - | E5 | E6 | E7 | E8 | E9 | E10 | E11 | - |
| 1200A | F1 | F2 | F3 | F4 | F5 | F6 | F7 | F8 | F9 | F10 | F11 | - |
| 1250A | G1 | G2 | G3 | G4 | G5 | G6 | G7 | G8 | G9 | G10 | G11 | - |
| 1500A | H1 | H2 | H3 | H4 | H5 | H6 | H7 | H8 | H9 | H10 | H11 | - |
| 1600A | J1 | J2 | J3 | J4 | J5 | J6 | J7 | J8 | J9 | J10 | J11 | - |
| 2000A | K1 | K2 | K3 | K4 | K5 | K6 | K7 | K8 | K9 | K10 | K11 | - |
1A Secondary available by request.
Order example: A moulded case current transformer type 20, with 5A secondary and 2000A primary 5VA class 1 is part number 20-5-K6
Dimensions
