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Minilec Phase Failure Relays VSP D2

Minilec Phase Failure Relays VSP D2 Specification

Dielectiric Strength
2 kV, 50 Hz for 1 minute

Ambient Temperature
-10C to +55C

Contact Resistance
< 50 m (initial)

Contact Form
1 C/O (SPDT)

Coil Voltage
Same as supply voltage

Coil Power
< 2 VA

Contact Material
AgCdO

Mechanical Life
>10 operations

Power Consumption
< 2 VA

Protect Feature
Phase failure, Phase sequence, and Phase unbalance protection

Working Temperature
-10C to +55C

Product Type
Phase Failure Relay

Insulation Resistance
> 100 M at 500 V DC

Theory
Electromechanical Relay

Usage
Phase Failure Protection and Sequence Correction in Industrial Equipment

Contact Load
5A at 250V AC (Resistive)

Operate Time
200 ms (typical)

Terminal Type
Screw type

Rated Voltage
415V AC (3 Phase) / 230V AC (1 Phase)

Supply Terminal
L1-L2 (3 Phase), L-N (1 Phase)

Size
29 mm width

Color
Grey/White with Labelled Front Panel

Dimension (L*W*H)
90 mm x 29 mm x 78 mm

Weight
Approx. 150 g

Application
Pumps, Motors, Compressors, Industrial Machines

Maximum Allowable Voltage
110% of rated voltage for short duration

Humidity
Up to 95% RH (non-condensing)

Response Time
< 200 ms

Mounting Type
DIN Rail Mounting

Output Contacts
1 Changeover (SPDT)

LED Indication
Supply ON, Relay ON, Fault Condition

Storage Temperature
-20°C to +70°C

Frequency
50/60 Hz

About Minilec Phase Failure Relays VSP D2

Minilec Phase Failure Relays VSP D2

Overview:-

Phase Failure, Unbalance,

Phase Sequence,

Auto / Manual / Remote Reset

Adjustable Unbalance Setting,

2 CO output Relay

Technical Specification:-

Supply Voltage

System	:	100-120/220-240/380-440 V AC ± 20% 50/ 60 Hz
Auxillary	:	100-120/220-240/380-440 V AC ± 20%

Output Contacts		:	2 CO

Trip Setting(Volts)
	Phase Sequence	:	Yes
	Phase Unbalance	:	30 V to 70 V ± 6V (adjustable)

Trip Time Delay

	On Phase Failure/ Unbalance	:	3.5 sec. ± 1.5 sec.
	For Level Sensing	:	NA

Resetting Mode		:	Auto / Manual / Remote

Weight		:	400 gms.

Dimensions (mm)

Overall (L x W x D)	:	76 x 56.5 x 117.5
Mounting (L x W)	:	67 x 46 /35 mm rail Mounting

Note:

	Wherever not specified Contact Rating : 5A @ 230 V AC (resistive)
	* Available on request.

Overview:-

	Phase Failure, Unbalance,
	Phase Sequence,
	Auto / Manual / Remote Reset
	Adjustable Unbalance Setting,
	2 CO output Relay

Application:-

Suitable for following applications
	Inverter
	UPS
	Rectifier Panel
	Battery Charger Panel
	3 Phase AC Panel
	DG Set Panel

Reliable Phase Protection

The Minilec VSP D2 provides advanced phase monitoring to safeguard industrial machinery against electrical faults. Its built-in protections ensure the longevity of vital equipment by detecting phase failure, incorrect sequence, and unbalance, thereby preventing potentially costly downtime or damage.

Simple Installation and Indication

Featuring a compact DIN rail design and clearly labeled front panel, this relay offers straightforward mounting and wiring. Visible LED indicators immediately inform you of supply status, relay activation, or any fault conditions, making diagnostics and maintenance effortless in demanding environments.

FAQs of Minilec Phase Failure Relays VSP D2:

Q: How is the Minilec Phase Failure Relay VSP D2 installed in industrial equipment?

A: The VSP D2 is designed for DIN rail mounting, allowing for quick and secure installation within electrical control panels. All terminals are screw type, enabling easy and reliable wiring for both single-phase and three-phase supplies.

Q: What types of equipment can benefit from using this relay?

A: This relay is suitable for various industrial machines such as pumps, motors, compressors, and general equipment requiring phase failure and sequence correction protection. Its versatile design accommodates both three-phase and single-phase systems.

Q: When does the relay respond to phase faults, and how fast is its reaction time?

A: The relay typically operates within 200 milliseconds when it detects phase failures, incorrect sequence, or phase unbalance, minimizing the chance of equipment malfunction or damage.

Q: Where are the status indications displayed on the device?

A: LED indicators on the relays labeled front panel clearly show the supply status, relay activation, or the presence of a fault condition, assisting quick troubleshooting and system monitoring.

Q: What process does the relay use to protect against phase issues?

A: The relay continuously monitors the incoming supply for three-phase or single-phase voltage irregularities. If any fault is detectedsuch as phase failure, wrong sequence, or unbalanceit quickly activates its output contact to disconnect or alert connected equipment.

Q: How does using this relay benefit industrial operations?

A: By providing rapid and reliable detection of phase-related problems, the VSP D2 helps prevent unscheduled downtime, reduces maintenance costs, and enhances the protection and lifespan of industrial assets.

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