KCF221x - FREQUENCY GUARD FOR SINGLE OR THREE PHASE SYSTEMS
- Precision High / Low Frequency Protection
- Quartz Controlled Frequency Protection and Meter
- Definite time trip delays
Up to two individual very fast analogue output signals (<50mS), (optional)- DIN96 Slave Indicator with Hz scale (optional)
Description
The digitally controlled KCF221x provide precision (0.5%) high/low frequency protection. KCF221x provides precision monitoring of frequency and line voltage on any generator system.
A digital, crystal controlled frequency window discriminator controls operation and delay of the frequency low/high alarm relays. The unit measures the zero point crossing of the voltage true r.m.s. value, and accuracy is independent of any wave form distortion.
User settable trip levels and delays. LEDs flash during count-down. Colour of LEDs indicates alarm status.
OUTPUTS
Up to two individual very fast analogue output signals (optional)
proportional to Hz range. The analogue output is isolated from both
voltage input and auxiliary power.
Relay Configurations
Less than 50mS fault detection. R1 (Under Frequency) and R2 (Over Frequency) activates when set level is exceeded and time delay has elapsed.
Models
KCF221E
KCF221FA
KCF221FB
Models
KCF221G
KCF221GFA
KCF221GFB
Models
KCF221H
KCF221HFA
KCF221HFB
Models
KCF221HG
KCF221HGFA
KCF221HGFB
