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Minilec Phase Failure Relays VSP D1

Minilec Phase Failure Relays VSP D1 Specification

Contact Resistance
< 50m

Coil Power
< 3VA

Contact Form
1 Changeover (SPDT)

Working Temperature
-10C to +55C

Coil Voltage
Same as rated voltage (415V AC)

Mechanical Life
1,000,000 operations

Dielectiric Strength
2kV, 50Hz for 1 min

Protect Feature
Phase Failure, Phase Sequence and Phase Unbalance

Contact Material
Silver Alloy

Ambient Temperature
-10C to +55C

Power Consumption
< 3VA

Product Type
Phase Failure Relay

Insulation Resistance
>100M at 500V DC

Theory
Electromagnetic Relay

Usage
Protection of 3-phase electrical equipment from phase failure

Contact Load
5A @ 250V AC

Operate Time
200ms maximum

Terminal Type
Screw terminal

Rated Voltage
415V AC, 3 Phase

Supply Terminal
L1, L2, L3

Size
Compact

Color
Grey

Dimension (L*W*H)
77mm x 22.5mm x 110mm

Weight
Approx. 150g

Model Number
VSP D1

Response Time
Quick action on fault detection

Application
Motors, Pumps, HVAC, Industrial Machines

Storage Temperature
-20°C to +70°C

Mounting Type
DIN Rail mounting

Relative Humidity
Up to 95% non-condensing

Connection
Wire type

Enclosure Material
ABS Engineering Plastic

Frequency
50Hz

Status Indication
LED for Power ON and Fault Indication

About Minilec Phase Failure Relays VSP D1

	Minilec Phase Failure Relays VSP D1 Phase Failure, Unbalance,
	Phase Sequence,
	Auto Reset, Fixed Unbalance Setting
	1 CO output Relay

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		:	1 CO

Trip Setting(Volts)
	Phase Sequence	:	Yes
	Phase Unbalance	:	40 V± 6 V (fixed)

Trip Time Delay

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

Resetting Mode		:	Auto

Weight		:	320 gms.

Dimensions (mm)

Overall (L x W x D)	:	76 x 30.5 x 117.5
Mounting (L x W)	:	68 centre to centre/ 35 mm rail Mounting

Note:

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

Suitable for Panels in Following Apllications:
	Agricultural Pump Starters
	3 Ph. Split AC machines
	Hoist Motor Control
	Valve Actuator Motor
	Machine Tools
	Injection Molding M/c

Reliable Fault Protection for Industrial Equipment

Minilecs VSP D1 Phase Failure Relay ensures efficient protection for sensitive 3-phase machinery by swiftly detecting phase failures, incorrect phase sequences, and phase imbalances. With a fast operating time and clear LED status indicators, equipment safety is continually monitored, reducing the risk of costly downtime and equipment damage.

User-Friendly Installation and Superior Durability

The VSP D1 relay is designed for simple DIN rail mounting and wire-type connections using screw terminals. Crafted from durable ABS engineering plastic, it withstands harsh industrial environments while offering high insulation resistance and mechanical endurance for prolonged operational life.

Broad Application Scope

Ideal for safeguarding motors, pumps, HVAC systems, and varied industrial machinery, the VSP D1 relay operates efficiently across a wide temperature range and up to 95% relative humidity. Its compact size and lightweight build facilitate integration into existing panels and control systems.

FAQs of Minilec Phase Failure Relays VSP D1:

Q: How does the Minilec VSP D1 Phase Failure Relay protect electrical equipment?

A: The relay monitors the incoming 3-phase supply for phase failure, sequence errors, and unbalance. Upon detecting a fault, it swiftly disconnects power within a maximum of 200ms, preventing equipment damage and operational disruption.

Q: What is the recommended mounting method for the VSP D1 relay?

A: The VSP D1 is designed for DIN rail mounting, which provides secure and convenient installation within electrical panels commonly used in industrial settings.

Q: What types of machinery benefit from using this phase failure relay?

A: Motors, pumps, HVAC systems, and other industrial machines using a 3-phase power supply benefit from the VSP D1, as it offers reliable protection against phase-related faults.

Q: Where can this relay be installed and what are its environmental limits?

A: It can be installed in control panels or equipment rooms. The unit is rated for ambient temperatures between -10C and +55C, storage from -20C to +70C, and humidities up to 95% non-condensing, making it suitable for demanding industrial environments.

Q: How are status indications provided on the VSP D1 relay?

A: LED indicators on the enclosure clearly display both power-on status and fault conditions, allowing operators to quickly assess system health and address issues promptly.

Q: What are the connection and terminal features of this relay?

A: Wiring is accomplished via screw-type terminals for L1, L2, and L3 phases, providing secure and straightforward connections for installers.

Q: What benefit does the quick response time offer in this relay?

A: A rapid response time (200ms max) minimizes the potential for equipment damage or hazards due to phase faults, helping maintain safety and reduce unplanned downtime.

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