Capacitor trip devices are commonly used in switchgear to provide trip circuit power and to provide voltage sag ride through capability for digital relays. CTD is not commonly used for closing applications as it is expected that the normal control power will be available when closing is desired.
Auto-Charged Capacitor Trip Device Self-contained standby power source Maintains full operating voltage for a minimum of two days high speed capacitor-type circuit breaker tripping unit.
Discharge Manually or with a Control Device The Model 295 Capacitor Trip Device is used to trip circuit breakers by using the stored energy in a capacitor. The capacitor is kept at full charge during normal operation by a half-wave silicon rectifier which draws its energy from the power line.
The capacitor holds sufficient charge to trip the breaker for at least 12 seconds after the charging voltage is removed. However, on most fault conditions, some voltage is still present, so the Model 295 is designed so that 65% of normal voltage gives sufficient charge to trip the breaker.
Verify that power is present, and check all fuses. Should problems persist, contact the factory at 800-862-2875 for assistance. The Model 295 Capacitor Trip Device is warranted to be free from defects in materials and workmanship for one year. Should this device fail to operate, we will repair or replace it for one year from the date of purchase.
The Model 295 Capacitor Trip Device is warranted to be free from defects in materials and workmanship for one year. Should this device fail to operate, we will repair or replace it for one year from the date of purchase. For complete warranty details, see the Terms and Conditions of Sales page in the front section of the Time Mark catalog.
Ł The Automatic Charging Trip Device (CTDB-6) is used to trip circuit breakers and lock out relay when a battery or standby source is not available to provide circuit breaker trip power. The …
CAPACITOR TRIP DEVICE (CTD-5) The Model CTD (Capacitor Trip Devices) are designed to provide a source of energy for a circuit breaker or switch to trip during a loss of normal AC or …
The Model 295 Capacitor Trip Device is used to trip circuit breakers requiring an AC voltage, by using the stored energy in a capacitor. The capacitor is kept at full charge during normal …
Ł These devices are protected against inadvertent output short circuit, inductive kickback from the trip coil, and input line voltage surges. Nominal 120 Volts ac,or 125 Volts dc is applied …
Capacitor Trip Device L UL U REGULATORY AGENCY APPROVALS Application Provides a source of energy for circuit breaker and switch trip coil operation during a loss of AC control …
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Ł These devices are protected against inadvertent output short circuit, inductive kickback from the trip coil, and input line voltage surges. Nominal 240 Volts ac, is applied between the ™AC™ …
A capacitor trip unit is a prepackaged module that supplies power for tripping an AC controlled circuit breaker with discrete relays following the loss of the AC control voltage. …
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Capacitor trip device [CTD] or capacitor trip unit [CTU] is a device that provide DC source of energy for circuit breaker tripping or closing when normal AC or DC control …
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The capacitor is kept at full charge during normal operation by a half-wave silicon rectifier which draws its energy from the power line. When completely discharged, the Model 295 draws …
The CTU Capacitor Trip Unit is usually installed in substations and operates the shunt trip coil during a loss of power supply to the transformers. This prevents transformers being …
Not enough voltage to trip the breaker to clear the fault ! Add Capacitive Trip Device (CTD) Capacitor provides "ride-through" energy for tripping
The auto-charged trip device is a high speed, capacitor type circuit breaker tripping unit. It differs from the conventional capacitor trip device in that it has a self-contained, standby power …