Zero Speed Switches Dealers

• Brand Name: Creative
• Sensing Distance: 10-15 mm
• Power Source: Electric
• Voltage: 12V
• Dimension: 30x80 mm
• Output: PNP NO OR NC
• Source Of Senses: Ferro Magnetic Material

The basic principle of speed monitor is comparison of pulses received from sensor with standard pulses. The unit consists of two parts : CONTROL UNIT and “SENSOR PROBE”. The sensor is to be installed with its sensing face in close proximity of rotating object. On this object, flags are to be fixed. The sensor products strong electromagnetic waves, which get disturbed by the flags, giving rise to corresponding pulses. These pulses are fed to the control unit where they are compared with standard pulses to sense the speed.

• Material: Cast Al
• Country of Origin: Made in India
• Voltage: 110 / 230 V AC
• Current Rating: 5 Amp
• Surface Finish: Epoxy Paint

Zero Speed Switch is designed to detect the stalling of motors due to over load or chain delinking and conveyor belt stoppage. It is designed for accepting I/P Signal from non contact proximity pickup, Magnetic Pickup, Potential free NO Contact  for DC/AC  signal from Tacho generators. A Sensing Wheel with projection mounted on the shaft of the motor with proximity pickup or Magnetic reed switch gives a train of pulses. The signal is given to an electronic circuit which senses the duration between the pulses. If the interval between pulses is more than the set time and if it continues more than the time delay set, a relay de-energises. The circuit consists of signal conditioners, time interval detectors, power supply and Relay Circuit. Total system is housed in a compact dust proof ABS Plastic DIN Rail mounting Case.

• Brand Name: Protocontrol

We are offering zero speed switch, electronic speed switch. Protocontrol make zero speed switch series: esm is designed for indication & monitoring of rotational speed of the drive used on machines like crushers, conveyors, centrifuges, mixers & agitators. The speed monitor which uses non-contact sensor like inductive, capacitive, magnetic or optical proximity switch to sense the speed & actuates a relay at preset speed. Using contacts of this relay desired control action such as zero speed protectionunder speed protection over speed protection under & over speed protection can be achieved. The model with digital display facility normally indicates actual speed of the equipment. Speed monitor displays set speed when push button is pressed. Hence accurate speed setting is possible. the op is in the form of 2co relay contacts. Bcd op is also available in special versions. Speed range from 1 to 6000 rpm using inductive proximity switch as a sensor & 500-5000 rpm using magnetic or optical sensor can be covered in six ranges. the enclosure for monitoring unit is panel-mounting type ip 30. A special sturdy cast al enclosure suitable to ip 65 grade can be provided when the when the unit is required to be field mounted. Supply voltage to the control unit is 240 v ac, or as per requirement. Special features such as digital display, direction sensing, multi range model, differential or slip speed monitoring, analogue op are also available. Versions substitute to imported one are also available.

• Display Type: Seven Segments LED
• Input Through: From Proximity Switch PNP Type
• No of Digits: 4 Digits
• RPM Setting: Adjustable(Display output directly in RPM)
• Supply for Sensor: 12 V DC
• Supply Voltage: 220 Volts AC
• Reset: From Front panel switch & terminal strip on back
• Dimensions: 96 x 48 x 110 mm
• Cut out Size: 92 x 46.5 mm

• Applications: Conveyor Belts in Thermal Power Plants, Steel Plants, Ports, Mixers, Crushers, Bucket Elevators in Cements & Fertilizers
• Measuring Frequency: AUTO RANGE 0.01
• Accuracy: ± 0.005%
• Current Rating: 5 A at 240V ac
• Power/Voltage: 110/240V ac/dc
• Frequency: 50 Hz
• Power Source: AC
• Switching Function: Field Programmable
• Switching Attributes: Programmable Under/Over (Auto Reset); Under/Over (Latch);
• Time Delay Function: Programmable for Relay Energized or De-energized

• Item Code: ZSS
• Power/Voltage: 220 V
• Output: Switching Transducer
• Brand: Sapcon
• Usage: Position Sensor
• Theory: Capacitance Sensor

• Brand Name: Sapcon
• Power/Voltage: 220 V
• Theory: Capacitance Sensor
• Usage: Position Sensor
• Output: Switching Transducer

• Material: Plastic
• Country of Origin: Made in India
• Brand Name: Sai Control
• Feature: Hassle free performance, Mechanical speed monitoring, Easy installation, Durable nature.
• Current Rating: 5A
• Frequency: 50/60Hz
• Power Source: Electric
• Voltage: 110V

The Electronic Speed Switches (Zero Speed, Under Speed or Over Speed), Speed Indicators, and Speed Transducers find wide applications in different industries. Some typical applications are as below : Thermal Power Plants, Steel Plants : Sequential starting stopping of conveyors, overspeed safety for downhill conveyors. Cement Fertilizer : Conveyor Belts, Agitators, StacakeReclaimer, Mixers, Crushers, Bucket Elevators, Fans.

• Supply Voltage: 220 V AC
• No. Of Digits: 4 Digits
• Supply For Sensor: 12 V DC
• Dimensions: 96 mm x 48 mm 110 mm
• Cut Out Size: 92 mm x 46.5 mm

• Brand Name: Electronic Switches
• Features: Compact size, Easy to install, Long functional life
• Power/Voltage: 230 VAC
• Frequency: 50 Hz
• Power Source: Electric
• Model Number: ZSP-101

• Current Rating: 10 Ampere
• Power/Voltage: 230 V
• Frequency: 50/60 Hz
• Power Source: Electric
• Input: Proximity Switch

• Material: Die Cast Aluminium
• Shape: Square
• Current Rating: 10 Amp
• Power/Voltage: 500 VAC
• Frequency: 50 Hz

• Power/Voltage: 110 or 230 VAC
• Power consumption: Less than 10 VA
• IP rating: IP 65
• Contact rating: 5A at 230 VAC
• Start up time: 1 to 30 Sec
• Housing material: ABS plastic
• Sensing distance: 15 mm

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