power failure relay

... , 3 Phase Control 200-500 VAC -- Compact modular size -- Three-phase monitoring of phase reversal, phase by ...

(3RU1136) Phase Power Failure Reverse Protective Relay Electronic relaye 1.picture 2,Application 3RU series thermal relay is suitable for thr power sy...

DC 5V-48V YX850 Emergency Converter Power Failure Automatic Switching Module Description: Power failure automatic switching backup battery lithium bat...

...supply wire or cable is cut, it will immediately sound the horn to alarm. It will not stop the alarm until the supply is restored or the batt...

... Latching IEC UC3 Notes:Chinese manufacturer become famous on the international stage. IVY brand latching s are choice of you...

... Electronmagnetic Coil Voltage 80A 220VAC Current Control 2. Product feature: High Coil is an electrically operated ...

Technical parameters ♦ Monitoring of 3-phase mains: - voltage in 2 levels (undervoltage and overvoltage) in range 120-277V (3P+N) or 208-480V (3P3W). ...

... for overseas user, with Friendly PC software as your need, unique features and functions helps you all the way! 1. Unique self-protection system a...

..., a lightweight general-purpose . High sensitivity, low coil with 200mW minimum.4000V for dielectric withstand voltage between coil and ...

.../12VDC Features •Heavy Duty 12V Continuous with 4-Pin SPDT (Single Pole Double Throw). •250 Amp High Current Carrying Capacity 12V Automotive...

G2R-2-12VDC Omron PCB Non-Latching G2R-2-DC12 List Of Other Electronic Components In Stock PART NUMBER MFG/BRAND 　 PART NUMBER MFG/BRAND T...

... Series Mounting: Through hole mounting Coil Type: DC Contact Rated Voltage : 250 VAC Max. Switching Voltage: 400 VAC Terminal: Welding...

...40KVA Uninterruptible Supply,STD31 Series On-Line Low Frequency Best UPS for Failure, Lightning Spike Description: We are Manufacturer ...

Model Number: HF41F-12-ZS Product Type: HF41F Series 12V Relay Max. Switching Voltage: 6A rated load: 6A 250VAC/30VDC Number of Pins: 5 PIN Voltage: 5...

... PCB . Part NO: G2R-2A-DC12V Brand: OMRON Date Code: 06+ Quality Warranty: 3 Months Mounting Type: Surface Mount Overview Mega Source El...

...inverter to the elevator control cabinet when the elevator stops running. When the supply is normal, the equipment is in the detection ...

... monitoring alarm, failure alarm Support 3G/4G version (Skype: lisali1220 WhatsApp: 0086 13652426178) CWT5005 GSM Alarm is...

... Alarm, off notification This feature will notify the user in the event of a failure or when the is restored. Just s...

... If the villa elevator is not in the leveling position, the chargeable battery supplies the villa elevator to control the elevator and travel...