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Minilec Phase Failure D1 VMR1

Minilec Phase Failure D1 VMR1 Specification

Coil Voltage
Direct from Line Voltage

Contact Material
Ag Alloy

Coil Power
---

Contact Resistance
<100m

Protect Feature
Phase Failure, Phase Reversal, Unbalance Faults

Dielectiric Strength
2kV, 50Hz for 1 min

Ambient Temperature
-10C to +55C

Contact Form
1 Changeover (SPDT)

Power Consumption
2 VA Max.

Working Temperature
Up to 60C

Mechanical Life
>10 Million Operations

Product Type
Phase Failure Relay

Insulation Resistance
>=100M at 500V DC

Theory
Electromagnetic Relay

Usage
Three Phase Motor Protection

Contact Load
5A at 250V AC (Resistive)

Operate Time
<200ms

Terminal Type
Screw Terminal

Rated Voltage
415V AC

Supply Terminal
L1, L2, L3

Size
Compact

Color
White & Blue

Dimension (L*W*H)
Approx. 70 mm x 22.5 mm x 73 mm

Weight
About 140g

Refresh Rate
60 Hz

Sleep Timer
Yes

USB Ports
2

Smart TV Features
Built-in WiFi, Screen Mirroring

Operating System
Android

Viewing Angle
178

Remote Battery Type
AAA

About Minilec Phase Failure D1 VMR1

Minilec Phase Failure Relays

OVERVIEW :-

	Phase Failure, Unbalance,
	Phase sequence, Under & Over voltage,
	Auto Reset,
	Fixed unbalance setting,
	Adjustable UV/OV settings,
	Fixed trip delay,
	2 CO output relay

TECHNICAL SPECIFICATION :-

Supply Voltage

System	:	100-120/220-240/380-440 VAC±20%, 3Ph-3Wire
Auxillary	:	Built In

Output Contacts		:	2 CO

Trip Setting (Volts)
	Phase Sequence	:	Yes
	Phase Unbalance	:	10% fixed

Under Voltage	For 380-440V AC For 220-240V AC For 100-120V AC	: : :	285-425V AC [Variable] 165-225V AC [Variable] 75-115V AC [Variable]
Over Voltage	For 380-440V AC For 220-240V AC For 100-120V AC	: : :	400-520V AC [Variable] 230-290V AC [Variable] 105-140V AC [Variable]

Trip Time Delay

	On Phase Failure	:	3.5 secs ± 1.5 sec.
	On UV/OV	:	3.5 secs ± 1.5 sec.

Resetting Mode

Auto


Weight	:	430 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)
	* CE marked products available on request.

APPLICATION :-

Suitable for monitoring 3 Ph. System supply from MAINS & used by motor load -
	AC & R Chiller compressor motors.
	AHU Fan /Pump Motors
	Machinery using multiple small motors.
	MAIN powers supply distribution panel board.
	DG Set application
	UPS
	Submersible Pumps
	Hoist & Crane

D1 VMR1 D1 VMR1

Advanced Protection for Three-Phase Motors

Guard your three-phase motors against critical issues such as phase failure, phase reversal, and unbalance faults with fast response under 200ms. The D1 VMR1 sustains motor longevity and system reliability, automatically detecting anomalies and resetting to ensure seamless operation in demanding environments.

Robust Construction and Enhanced Safety

Enjoy lasting durability with a flame-retardant plastic enclosure and an IP20 rating. LED indications provide instant operational status visibility. This devices insulation resistance, high dielectric strength, and dependable contact design reinforce safety for industrial applications.

Convenient Installation and Standards Compliance

Easily install the relay using the DIN rail mounting and secure screw terminals. The D1 VMR1 complies with IS/IEC 60947-5-1 standards, ensuring it meets stringent quality and operational benchmarks for distribution, supply, and trading in India.

FAQs of Minilec Phase Failure D1 VMR1:

Q: How does the Minilec Phase Failure D1 VMR1 enhance motor protection?

A: It swiftly detects phase failure, phase reversal, and unbalance faults in three-phase motors, disconnecting the relay within 200ms to prevent motor damage and downtime.

Q: What is the installation process for this relay?

A: The D1 VMR1 is installed on a DIN rail. Connect the supply terminals (L1, L2, L3) using the screw terminals, ensuring secure wiring for effective protection and operation.

Q: When should I use the D1 VMR1 in my motor control system?

A: Employ this relay whenever you need to safeguard a three-phase motor from electrical faults, especially in applications requiring swift response and compliance with IS/IEC 60947-5-1 standards.

Q: Where is this phase failure relay typically used?

A: It is ideal for use in industrial setups and control panels across India, protecting three-phase motors in manufacturing, utilities, and distribution systems.

Q: What are the operational benefits of the LED relay indication feature?

A: The LED indication delivers instant visual feedback on relay status, allowing operators to quickly assess motor protection and act without delay.

Q: How does the automatic reset function work?

A: After the fault condition clears, the relay automatically resets and restores power to the motor, minimizing manual intervention and reducing downtime.

Q: What makes this relay suitable for Indian industrial standards?

A: Its compliance with IS/IEC 60947-5-1, robust build, secure installation, and operational reliability align with the requirements for distributors, suppliers, and traders in India.

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