Description
Miniature three phase current transformers suitable for primary ranges from 250-630A with 5A secondary. Supplied with terminal cover and choice of fixings.
Application
For installation onto cables or 31mm maximum busbars. The products have an overall width of 140mm allowing installation directly on top of moulded case circuit breakers.
Technical Specification
- Conforms to IEC185, BS 7626, BSEN 60044-1, IEC 60044-1 and IEC 61869-2.
- Rated system voltage 0.72/3kV.
- Ambient temperature range -5°C to +50°C.
- Frequency range 50-60Hz.
- Insulation level 3kV for 1 minute.
- Continuous current 1.2 x rated current.
Range & Dimensions
| PRIMARY CURRENT | FOOT MOUNTED 31MM APERTURES | DIN RAIL MOUNTED31MM APERTURES |
| 250/5A | CT140F-250/5/1-31 | CT140D-250/5-2.5/1-31 |
| 300/5A | CT140F-300/5-2.5/1-31 | CT140D-300/5-2.5/1-31 |
| 400/5A | CT140F-400/5-2.5/1-31 | CT140D-400/5-2.5/1-31 |
| 500/5A | CT140F-500/5-2.5/1-31 | CT140D-500/5-2.5/1-31 |
| 600/5A | CT140F-600/5-2.5/1-31 | CT140D-600/5-2.5/1-31 |
| 630/5A | CT140F-630/5-2.5/1-31 | CT140D-630/5-2.5/1-31 |
All Types 2.5VA Class 1. Other VA’s and accuracies by request.
DIMENSIONS (mm)
