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Omicron UVR

Product catalog summary

Product Overview:
The UVR Under Voltage Protection Relay is a compact device designed to safeguard electrical systems from under voltage faults. It features true RMS measurement, a fixed nominal voltage trip point, and is self-powered. The relay includes LED indications for easy diagnosis and offers a restart/power-on delay feature.

Applications:

Motor protection
Server rooms
Control systems
Air conditioning systems

Key Specifications:

Nominal AC Voltage: 3P 4W (415 VLL/240 VLN, 400 VLL/230 VLN, 380 VLL/220 VLN), 1P 2W (240 VLN/230 VLN/220 VLN)
Under Voltage Trip Point: 75% of nominal value
Hysteresis Value: 2% of nominal value
Restart/Power On Delay: 5-15 minutes (variable)
Accuracy: ±3% of nominal value
Response Time: Less than 200 ms

Technical Specifications:

Input Voltage Range: 70-125% of nominal value
Max Continuous Input Voltage: 127% of nominal value
Nominal Frequency: 50/60 Hz
Operating Temperature: -10 to +55°C
Storage Temperature: -25 to +70°C
Relative Humidity: 0-90% non-condensing
Shock Resistance: 30gn, duration 18ms
Vibration: 10-55 Hz, 0.15mm amplitude

Standards and Compliance:

Safety: IEC 61010-1-2010
IP Rating: IEC60529 (IP 20)
Pollution Degree: 2
Installation Category: CAT III
High Voltage Test: 2.2 kV AC, 50Hz for 1 minute

Mechanical Attributes:

Weight: 80 gm approx.
Dimensions: Length 98.6 cm, Height 66.5 cm, Width 18 cm

Relay Contacts:

Type: 1CO
Contact Ratings: 5A/250VAC/30VDC (resistive load)
Mechanical Endurance: 1x10⁷ operations
Electrical Endurance: 1x10⁵ operations

Installation and Wiring:

Input Wire Size: 1 to 2.5 sq.mm
Voltage Tightening Torque: 0.4Nm

LED Indications:

Continuous ON: Power ON
Blinking: Restart Delay/Power-On
OFF: Power OFF
RLY: Healthy Condition or Under Voltage Condition

Ordering Information:
Order Code Example: UV10-V321110000000
V: Voltage protection relay
3: 3 Phase 4 Wire
2: Nominal Value is 230VLN/400VLL
X: Frequency 50Hz/60Hz
1: Normally Energized
1: Number of relay is 1

Contact Information:
Sifam Tinsley Instrumentation Ltd
Address: 1 Warner Drive, Springwood Industrial Estate, Braintree, Essex, CM7 2YW
Tel: 01376 335271
Email: [email protected]
Website: www.sifamtinsley.co.uk

Catalog excerpts

PROTECTION RELAY www.sifamtinsley.co.uk Multifunction Meters Transducers & Isolators Temperature Controllers Converters & Recorders Digital Panel Meters Current Transformers kWh Energy Meters Analogue Panel Meters Shunts UVR UNDER VOLTAGE PROTECTION RELAY Digital Bargraphs Digital Multimeters Protection Relays Synchroscope Series Rotary Switches Power Supplies Test & Measurement SUBJECT TO CHANGE WITHOUT NOTICE This datasheet superseded all previous versions – please keep for future reference

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•+ Compact size 17.5 mm •+ True RMS measurement ^ Under voltage protection ^ Fixed nominal voltage, Trip point. ^ Self powered ^ 1CO relay configuration ^ LED indications with multiple states for easy diagonosis ^ Restart/Power-On Delay UVR Under Voltage Protection Relay Application • Motor protection • Server rooms • Control system The under voltage protection relay protects system from the faults occurring on voltage line. Relay protects against under voltage faults. Front adjustment knob is provided for easy selection of time delay for power ON or restart time. Selection offers flexibility...

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RISH Relay UVR TechnicalSpecifications: Specications: Technical Under Voltage Protection Relay Under Voltage Protection Relay Input Voltage Input Voltage RISH Nominal Input Voltage (AC RMS) Nominal Input Voltage (AC RMS) Dimensions Details: Dimensions Details: Dimensions Details Dimensions Details: 18.0 Under Voltage Protection Relay 3P4W : 415 VLLVLL / 400/ 400 VLL VLL / 380/ VLL Relay UVR 3P4W : 415 380 VLL -------------------------------------------------1P2W: 240 VLN /230 VLN /220 VLN RISH Relay UVR 1P2W: 240 VLN /230 VLN /220 VLN ---------------------------------------------------------------------------------------------------------------Technical...

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Ordering Information: 3-THREE PHASE 4 WIRE ,1-SINGLE PHASE 2 WIRE VOLTAGE PROTECTION RELAY Order Code Example: UV10-V321110000000 V: Voltage protection relay 3: 3 Phase 4 Wire 2: Nominal Value is 230VLN/400VLL X: Frequency 50Hz/60Hz 1: Normally Energized(Relay is normally energized(ON) and become de-energized(OFF) upon fault 1: Number of relay is 1 Contact Sifam Tinsley Instrumentation Ltd 1 Warner Drive Springwood Industrial Estate Braintree Essex CM7 2YW Tel: 01376 335271 Email: [email protected] www.sifamtinsley.co.uk PROTECTION RELAY

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