3=Phase Voltage/Phase Monitor from Littelfuse

202/202-RP Series - 3-Phase Voltage/Phase Monitor from Littelfuse 

from Sords Electric

For a quote, please Contact us HERE!

The 202 series is a 3-phase, auto-ranging, dual-range voltage monitor that protects 190-600VAC, 50/60Hz motors regardless of size. The 202-RP monitors the phase rotation of 3-phase systems and trips on reverse phase only. Critical applications include fan motors, scroll compressors, grinders, conveyor systems, elevators and escalators. Both products provide a user selectable nominal voltage set point and some models automatically select between the 200V and 400V range.

This unique microcontroller-based voltage and phase-sensing device constantly monitors the 3-phase voltages to detect harmful power line conditions. When a harmful condition is detected, the 202 series’s output relay is deactivated after a specified trip delay. The output relay reactivates after power line conditions return to acceptable levels. The 202 series includes advanced single LED diagnostics. Five different light patterns distinguish between faults and normal conditions. The 202-RP monitors the phase rotation of 3-phase systems and trips on reverse phase only. Critical applications include fan motors, scroll compressors, grinders, conveyor systems, elevators and escalators. The status light turns green and the relay is activated when rotation is correct.

Littelfuse 202/202-RP phase/voltage relays

 

 

 

 

 

 

 

 

Features & Benefits

Compact, quick mounting design >> 1-screw mounting saves time and space. Small footprint ideal for assembly into panels. 

Proprietary microcontroller based circuitry>>Constant monitoring of single-phase, low voltage, high voltage, voltage unbalance, phase reversal, harmful power line conditions.  

Auto-sensing wide voltage range (202 & 202-RP) >> Automatically senses system voltage between 90 - 480VAC. Saves setup time. 

Advanced LED diagnostics >> Quick visual indicator for cause of trip. LED indications include: normal operation, restart delay, reverse-phase trip, fault 

Adjustable trip delay (202) >> Prevent nuisance tripping due to rapidly fluctuating power line conditions. 

 Models:

202  190-480 VAC  Trips on low/high voltage and voltage unbalance. 

202-RP  190-480 VAC  Trips on reverse-phase only

202-575-RP  475-600 VAC  Trips on reverse-phase only

 

Specifications  

Frequency  50 */ 60 Hz 

 

Functional Characteristics 

 

Phase Sequence >> ABC

Low Voltage (% of setpoint) >>Trip 90% & Reset 93% 

 

High Voltage (% of setpoint) 

Trip 110 %  >> Reset 107% 

 

Voltage Unbalance (NEMA) >> Trip 6% & Reset 4.5% 

Trip Delay Time High and Low Voltage >> 4 seconds 

Unbalance & Phasing Faults >> 2 seconds 

Restart Delay Time After a Fault Manual >> 2-300 seconds adj. 

After a Complete Power Loss Manual >> 2-300 seconds adj.

 

Output Characteristics 

 

Output Contact Rating (SPDT) 

Pilot Duty >> 480VA @ 24 0VAC 

General Purpose10A @ 240VAC 

 

General Characteristics 

 

Temperature Range >> -40° to 70°C (-40° to 158°F) 

Trip & Reset Accuracy >>  ±1% 

Repeatability  ±0.5% 

Maximum Input Power >>  5 W 

Relative Humidity >> 95%, non-condensing 

Transient Protection >>  IEC 61000-4-5, ±4kV 

Hi-potential >> Test Meets UL508 (2x rated V+1000V for 1 minute) 

Termination >> 0.25” male quick connect 

 

Safety Marks 

 

UL Recognized >> UL508 (File #E68520)

Dimensions >>  H 63.5 mm (2.5”); W 63.5 mm (2.5”); D 35.56 mm (1.4”) 

Weight >>  0.5 lb. (8 oz., 226.8 g) 

Mounting Method >> 1/4” socket head cap screw(customer supplied) 

 

*Note: 50Hz will increase all delay timers by 20%. CE Pending

 

For a quote, please Contact us HERE!

Sords Electric

216-765-4230

www.sordselectric.com

 

Littelfuse 202...Littelfuse 202...Littelfuse 202...Littelfuse 202...

Three Phase Monitors from Carlo Gavazzi

3 Phase monitoring Relays from Gavazzi and Sords Electric

Get Quote from Sords Electric HERE!

Part Numbers are:

DPB01CM44  DIN Rail mounting
PPB01CM44   Plug In

DPB01CM44 and PPB01CM44 relays are three phase mains monitoring devices.
They can operate on both 3Ph and 3Ph+N mains detecting, besides the phase loss and the correct phase sequence, possible overvoltages and undervoltages.
Power supply is provided by the monitored mains, is wide input range and switch mode. Consumption, dissipation and consequently heat are very limited.
A delay on alarm, up to 30s, for the over/under voltage alarms, filters unwanted trippings for temporary conditions.
Operating frequency is up to 400Hz. 

DPB02CM44  DIN Rail mounting
PPB02CM44   Plug In

DPB02CM44 and PPB02CM44 relays are threephase mains monitoring devices.
They can operate on both 3Ph and 3Ph+N mains detecting, besides the phase loss and the correct phase sequence, possible phase values asymmetries.
Power supply is provided by the monitored mains, is wide input range and switch mode. Consumption, dissipation and consequently heat are very limited.
A delay on alarm, up to 30s, for asymmetry alarm, filters unwanted trippings for temporary conditions. Operating frequency is up to 400Hz. 

DPC01DM44  DIN Rail

DPC01DM44 relay is a multifunction threephase mains monitoring device.
It can operate on both 3Ph and 3Ph+N mains detecting, besides the phase loss and the correct phase sequence, possible overvoltages and undervoltages or asymmetry and tolerance excess.
Power supply is provided by the monitored mains, is wide input range and switch mode. Consumption, dissipation and consequently heat are very limited.
It is certified for Marine applications and it operates up to 400Hz of mains frequency. 

DPC02DM44  DIN Rail
DPC02DM44 relay is a multifunction threephase mains monitoring device.
Power supply is provided by the monitored mains, is wide input range and switch mode. Consumption, dissipation and consequently heat are very limited 

October 30, 2019 - Buffalo Grove, IL – CARLO GAVAZZI is proud to announce the launch of several new Three-Phase Monitoring Relays which feature a Wider Input Voltage Range. These new models, part of the DPB and DPC families, are ideal for distributors and customers as they reduce the number of individual items that need to be stocked, while providing unsurpassed quality and functionality.
The new DPB and DPC models feature an upgraded switch mode power supply, which provides a wider input voltage range to cover different mains voltages, while reducing heat dissipation and improving reliability and stability. The DPB series has an input voltage range of 208 VAC to 480 VAC, while the DPC series has an input voltage range of 208 VAC to 690 VAC. All of the new models feature an expansive frequency range of 50 Hz to 400 Hz, making them ideal for a wide range of applications.
Three phase monitoring relays are ideal for protecting motors from severe damage that can result from loss of a phase, phase imbalance, or phase reversal. Motors can be found in a wide range of applications, including: HVAC systems, water treatment, material handling, machine tool, marine and aviation.
Key features of the DPB and DPC Three Phase Monitoring Relays include:

 

•   Noise, harmonics, and transient filtering
  
•   Significant reduction in power consumption
  versus previous models
  
•   Wide input voltage and frequency range
  

 Voltage ranges selectable by DIP switches  DIN Rail mounting
 Plug-in option available for DPB series 

Get Quote from Sords Electric HERE!

Sords Electric
216-765-4230
www.sordselectric.com

Carlo Gavazzi 3-Phase voltage Monitoring Relay ~~~ Carlo Gavazzi 3-Phase voltage Monitoring Relay

Carlo Gavazzi Compact 3-Phase Monitors

Sords Electric Phase Protection from Carlo Gavazzi

To get a quote with our Carlo Gavazzi Parts Form, click HERE!

The Carlo Gavazzi  DPA52 and DPB52 provide critical protection against phase loss and improper phase sequence, with DPB52 adding additional protection against under-voltage and over-voltage.

Gavazzi DPA52 and DPB52 Phase Monitors

Optimizing panel space is a primary goal for most manufacturers. Thanks to the low profile DIN housing and 17.5mm width, it is possible to install these monitoring relays in industrial cabinets as well as in electrical distribution NORM panels. With a built-in switch mode power supply, DPA52 and DPB52 have the added advantage of filtering and minimizing harmonic distortions, which can help prevent devices from overheating and most of all prevent failures and false alarms which could lead to unexpected machine downtime.
The DPA52 and DPB52 come with features that offer versatility and ease of use, including wide input voltage range, multi-color LED indicators for visual status, and a relay contact output. They conform to global standards such as UL 508, CSA C22.2 and EN 60947-5-1, and can be used globally in applications/markets where it is necessary to monitor phase presence, sequence, and value, such as HVAC, Lifts and Escalators, Material Handling, Water Treatment, and others.

The features of the DPA and DPB Compact 3-Phase Monitors include: 

 Screw terminals

 Alarm LED with type of alarm indication
 Switch mode power supply
125VLL to 624VLL (208V -40% to 480V +30%)
Operating frequency from 45 to 65Hz 
17.5mm wide - DIN rail mounting 

The DPB52 has an adjustable voltage range while the DPA52 does not.

Sords Electric
216-765-4230
www.sordselectric.com

Carlo Gavazzi 3 Phase Monitoring

Sords Electric and Carlo Gavazzi  has new three phase monitoring Units

Carlo Gavazzi 3 Phase Monitoring

February 2017 - CARLO GAVAZZI is pleased to announce our new DPD Series Three-Phase Monitoring Relay with NFC Configuration. This 3-phase voltage and frequency monitoring relay provides the utmost flexibility in very compact dimensions, as it offers a wide range of features in a mere 22.5mm product width. It provides protection against phase reversal, phase loss and if the phase asymmetry, voltage or frequency measurements are not within the user-configured settings and/or thresholds.




The DPD Series settings can easily be modified through an Android App via a smartphone/tablet or via a USB NFC Reader/Writer (part number ACR1252U) connected to a computer. Under and over threshold settings can be set, as well as hysteresis and time delays. They are uploaded into the DPD Series by means of its NFC configuration. Neither potentiometer settings nor DIP switches are used for the device set-up, and after it is set-up, it can be password protected, to ensure safety while in use. The DPD02DM44B is delivered with default settings for North American 3-phase 240VAC mains; whereas the DPD02DM44 is delivered with European/Asian settings for 3-phase 400VAC mains.
The main advantage of the DPD Series is its high versatility and multifunction design. The set-up can be changed at any time and can be replicated, and stored on as many devices as needed. The set-points are extremely precise as they are digital, and much more accurate than they would be with potentiometer settings.
The DPD is widely considered a game-changer in monitoring relay technology, as the user can set up to ten alarm conditions, and then these alarms are combinable via AND / OR logic to provide up to two relay outputs. This combined with the NFC configuration establishes Carlo Gavazzi as the market leader in monitoring relays.
The DPD Series has been designed to provide a highly accurate solution for most 3-phase load applications. Its versatility makes it ideal for generator sets, power generators, and pumps/compressors applications in the Lift/Elevator, Escalator, Materials Handling, and HVAC markets. They are also an excellent off the shelf solution for any electrical distributor, wholesaler or panel builder.

Main technical features include:
	3-phase voltage and frequency monitoring relay
	Nominal measurement range from 177-552 VAC L-L and 102-318 VAC L-N
	Star or Delta mains
	NFC configuration
	Adjustable set-points, hysteresis, delays, AND/OR logic
	Three diagnostic LEDs
	Operating frequency from 45 to 440Hz
	Two independent SPDT 8 Amp outputs
	cULus, CCC approved and CE marked