DESCRIPTION
A range of compact moulded case current transformers suitable for primary currents from 25A to 500A with built in sealable terminal covers
APPLICATION
For transforming various primary currents into 5A or 1A standard secondary using 30x10mm or 20x20mm busbars or cables up to 24mm
DIMENSIONS (MM)
RANGE (TYPE 141) 5A SECONDARY
| Class 3 | Class 1 | Class 0.5 | |||||||||
| VA | 1.5 | 2.5 | 5 | 10 | 1.5 | 2.5 | 5 | 10 | 1.5 | 2.5 | 5 |
| 25A | A1 | A2 | – | – | – | – | – | – | – | – | – |
| 30A | B12 | B2 | – | – | – | – | – | – | – | – | – |
| 40A | C1 | C2 | – | – | – | – | – | – | – | – | – |
| 50A | D1 | D2 | – | – | D5 | D6 | – | – | – | – | – |
| 60A | E1 | E2 | E3 | – | E5 | E6 | – | – | – | – | – |
| 80A | F1 | F2 | F3 | – | F5 | F6 | F7 | – | F9 | F10 | – |
| 100A | G1 | G2 | G3 | – | G5 | G6 | G7 | – | G9 | G10 | – |
| 120A | H1 | H2 | H3 | H4 | H5 | H6 | H7 | H8 | H9 | H10 | – |
Order Example: A moulded case current transformer type 141, with 5A secondary and 100A primary 2.5VA class 3 is part number 141-5-G2
DIMENSIONS (MM)
RANGE (TYPE 143) 5A SECONDARY
| Class 3 | Class 1 | Class 0.5 | |||||||||
| VA | 1.5 | 2.5 | 5 | 10 | 1.5 | 2.5 | 5 | 10 | 1.5 | 2.5 | 5 |
| 60A | A1 | A2 | – | – | A5 | – | – | – | – | – | – |
| 75A | B1 | B2 | – | – | B5 | – | – | – | – | – | – |
| 80A | C1 | C2 | – | – | C5 | – | – | – | – | – | – |
| 100A | D1 | D2 | – | – | D5 | D6 | – | – | D9 | – | – |
| 125A | E1 | E2 | – | – | E5 | E6 | – | – | E9 | – | – |
| 150A | F1 | F2 | – | – | F5 | F6 | – | – | F9 | – | – |
| 200A | G1 | G2 | G3 | – | G5 | G6 | G7 | – | G9 | G10 | – |
| 250A | H1 | H2 | H3 | – | H5 | H6 | H7 | – | H9 | H10 | – |
| 300A | J1 | J2 | J3 | J4 | J5 | J6 | J7 | J8 | J9 | J10 | J11 |
| 400A | K1 | K2 | K3 | K4 | K5 | K6 | K7 | K8 | K9 | K10 | K11 |
| 500A | L1 | L2 | L3 | L4 | L5 | L6 | L7 | L8 | L9 | L10 | L11 |
1A secondary available by request.
Order Example: A moulded case current transformer type 143, with 5A secondary and 400A primary 5VA class 1 is part number 143-5-K7
TECHNICAL SPECIFICATION
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- Conforms to IEC185, BS 7626, BSEN 60044-1, IEC 60044-1 and IEC 61869-2.
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- Rated system voltage 0.72/3kV.
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- Ambient temperature range -5°C to +50°C.
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- Continuous current 1.2 x rated current.
