RM4TG20 TELEMECANIQUE, RM4TG20 Datasheet

PHASE MONITORING RELAY, DPDT-2CO, 484VAC

RM4TG20

Manufacturer Part Number
RM4TG20
Description
PHASE MONITORING RELAY, DPDT-2CO, 484VAC
Manufacturer
TELEMECANIQUE
Series
RM4r
Datasheet

Specifications of RM4TG20

Contact Configuration
DPCO
Phase Type
3 Phase
Supply Voltage Max
484VAC
Switching Voltage Max
440VAC
Relay Mounting
DIN Rail
Length/height, External
78mm
External Width
22.5mm
External Depth
80mm
Carry Current
8A

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
RM4TG20
Manufacturer:
PANASONIC
Quantity:
45 000
3
3/28
Applications
Measurement or
control
Supply voltage
Number of output
relay contacts
Output relay state
Built-in
time delay
Type
Pages
RM4 : 4233256 - 4233414
Te
Zelio Control measurement and control relays
Selection guide
Current measurement a and c
Overcurrent
Adjustable
threshold
0.003…1 A
c 24 V
c 110…130 V
c 220…240 V
1 C/O
Energised when threshold is exceeded
None
RM4-JA0
3/35
Undercurrent or
overcurrent
Adjustable thresholds
0.003…1 A
or 0.3…15 A
depending on model
z 24…240 V
c 110…130 V
c 220…240 V
c 380…415 V
2 C/O
Adjustable
0.05 to 30 s
RM4-JA3
3/35
Voltage measurement a and c
Overvoltage
Adjustable thresholds
0.05…5 V
or 1…100 V
or 30…500 V
depending on model
c 24 V
c 110…130 V
c 220…240 V
1 C/O
None
RM4-UA0
3/41
Undervoltage or Undervoltage
overvoltage
z 24…240 V
c 110…130 V
c 220…240 V
c 380…415 V
2 C/O
Adjustable 0.05 to 30 s
RM4-UA3
3/41
Control of
single-phase
supplies
and overvoltage
(2 controlled
thresholds)
Adjustable
thresholds
undervoltage:
80…120 V or
160…220 V
overvoltage:
160…220 V or
220…330 V
depending
model
Self-powered relays
Energised during fault free
operation.
De-energised on detection
of a fault.
RM4-UB3
3/52
Available 2nd
Quarter 2001
Control of
3-phase
supplies
Control:
rotational
direction and
presence of
phases
200…500 V
None
RM4-TG20
3/48

Related parts for RM4TG20

RM4TG20 Summary of contents

Page 1

... Measurement or control Supply voltage Number of output relay contacts Output relay state Built-in time delay Type Pages Te 3/28 Zelio Control measurement and control relays Selection guide Current measurement a and c Voltage measurement a and c Overcurrent Undercurrent or Overvoltage overcurrent Adjustable Adjustable thresholds Adjustable thresholds threshold 0.003… ...

Page 2

... V. undervoltage undervoltage, 200...500 V, overvoltage adjustable 200...500 V, threshold adjustable or fixed thresholds Self-powered relays 2 C/O 1 C/O Energised during fault free operation. De-energised on detection of a fault. None Adjustable Fixed 0 RM4-TU RM4-TR RM4-TA0 3/48 3/48 ...

Page 3

... Electrostatic discharge Electromagnetic fields Fast transients Shock waves Radiated and conducted emissions (1) Value not communicated. (2) Except RM4-T, see page 3/47. Te 3/30 Zelio Control - measurement and control relays General characteristics Storage C Operation C Conforming to IEC 60721-3-3 Conforming to IEC 6068-2- Conforming to IEC 6068-2-27 Casing ...

Page 4

... Zelio Control - measurement and control relays Current and voltage measurement relays : pages 3/32 to 3/43 General characteristics 3-phase supply control relays : pages 3/44 to 3/49 Single-phase supply control relays : pages 3/50 to 3/53 Liquid level control relays : pages 3/54 to 3/57 Output circuit characteristics Mechanical durability ...

Page 5

... RM4-JA01 3 RM4-JA32 Te 3/32 Zelio Control - measurement and control relays Current measurement relays RM4-JA Presentation Functions These devices are designed to detect when a preset current threshold is exceeded, on a.c. or d.c. supply. They have a transparent, hinged flap on their front face to prevent any accidental alteration of the settings. ...

Page 6

... Zelio Control - measurement and control relays Current measurement relays RM4-JA References : Presentation page 3/35 Dimensions, schemes : page 3/36 Setting-up : page 3/37 Operating principle The supply voltage is connected to terminals A1-A2. The current to be monitored is connected to terminals B1, B2, B3 and C. See diagram below. Hysteresis is adjustable between 5 and 30 %: for overcurrent h = (IS1 - IS2) / IS1, for undercurrent h = (IS2 - IS1) / IS1. ...

Page 7

... Internal input resistance and permissible overload depending on the current measurement ranges Type of relay Measurement range c 50-60 Hz and a Internal input resistance Ri Permissible continuous overload Permissible non repetitive overload for 3/34 Zelio Control - measurement and control relays Current measurement relays RM4-JA Characteristics RM4-JA01 V 24 110...130 220...240 V – – ...

Page 8

... References pages 3/32 and 3/33 Characteristics : page 3/34 Setting-up : page 3/37 Current measurement relays: overcurrent detection Time delay None RM4-JA01 Current measurement relays: overcurrent or undercurrent detection Adjustable time delay s 0.05...30 RM4-JA32 (1) Standard supply voltages RM4-JA01 RM4-JA31 and RM4-JA32 Current to be measured ...

Page 9

... Currents to be measured B3, C (see table opposite) Application schemes Example: detection of blockage on a crusher (overcurrent function) Current measured RM4-JA3 KM1 Overtorque 3/36 Zelio Control - measurement and control relays Current measurement relays RM4-JA Dimensions, schemes Rail mounting RM4-JAi1 RM4-JA32 22,5 45 RM4-JA31 RM4-JA32 ...

Page 10

... Zelio Control - measurement and control relays Current measurement relays RM4-JA Presentation : pages 3/32 and 3/33 Characteristics : Setting-up page 3/34 References : page 3/35 Dimensions, schemes : page 3/36 Example of overcurrent to be measured Overcurrent threshold at Output relay time delay Reset current threshold Supply voltage: 127 V a. ...

Page 11

... RM4-UA01 3 Te 3/38 Zelio Control - measurement and control relays Voltage measurement relays RM4-UA Presentation Functions These devices are designed to detect when a preset voltage threshold is exceeded, on a.c. or d.c. supply. They have a transparent, hinged flap on their front face to prevent any accidental alteration of the settings. ...

Page 12

... US2) / US1, for undervoltage h = (US2 - US1) / US1. A measurement cycle lasts only 80 ms, which allows rapid detection of changes in voltage. Relays set for overvoltage detection (RM4-UA0i or selector on “>” for model RM4-UA3i): If the voltage is greater than the threshold setting US1, the output relay is energised, with or without a time delay. When the voltage returns to a value US2 below the threshold, depending on the hysteresis setting, the relay is instantaneously de-energised ...

Page 13

... Internal input resistance and permissible overload depending on the current measurement ranges Type of relay Measurement range c 50-60 Hz and a Internal input resistance Ri Permissible continuous overload Permissible non repetitive overload for 3/40 Zelio Control - measurement and control relays Voltage measurement relays RM4-UA Characteristics RM4-UA0i V 24 110...130 220...240 V – – ...

Page 14

... Characteristics: References page 3/40 Dimensions, schemes: page 3/42 Setting-up: page 3/43 Voltage measurement relays: overvoltage detection Time delay None RM4-UA01 Voltage measurement relays: overvoltage or undervoltage detection Adjustable time delay s 0.05...30 (1) Standard supply voltages RM4-UA0i RM4-JA3i Voltage to be measured Width Output ...

Page 15

... A1-A2 Supply voltage B1, B2. Voltages to be measured B3, C (see table opposite) Application scheme Example: overspeed monitoring (undervoltage function KM1 3/42 Zelio Control - measurement and control relays Voltage measurement relays RM4-UA Dimensions, schemes Rail mounting 89,5 82 RM4-UA03 RM4-UA31, UA32 Connection and voltage values to be measured, depending on type of RM4-UA RM4-UAi1 B1-C 0.05… ...

Page 16

... Zelio Control - measurement and control relays Voltage measurement relays RM4-UA Presentation: pages 3/38 and 3/39 Characteristics: Setting-up page 3/40 References: page 3/41 Dimensions, schemes: page 3/42 Example of undervoltage to be measured Undervoltage threshold to be measured Time delay of the output relay Reset voltage threshold: 13.2 V. ...

Page 17

... Dimensions, schemes : page 3/49 RM4 3/44 Zelio Control - measurement and control relays 3-phase supply control relays RM4-T Presentation Functions These devices are designed to monitor 3-phase supplies and to protect motors and other loads against the faults listed in the table below. They have a transparent, hinged flap on their front face to prevent any accidental alteration of the settings. This flap can be directly sealed ...

Page 18

... Operating principle The supply voltage to be monitored is connected to terminals L1, L2 the product. There is no need to provide a separate power supply for RM4-T relays; they are self-powered by terminals L1, L2, L3. i Monitoring rotational direction of phases and detection of complete failure of one of more of the phases (RM4-T all models) When terminals L1, L2, L3 are energised, the relay is energised and the yellow LED comes on if the rotational direction of phases is correct and if all 3 phases are present ...

Page 19

... Zelio Control - measurement and control relays 3-phase supply control relays RM4-T Characteristics : Presentation page 3/47 References : page 3/48 Dimensions, schemes : page 3/49 Operating principle i Undervoltage detection only (RM4-TU) In normal operation, the output relay is energised and the yellow LED is illuminated. If the average of the 3 voltages between phases is less than the undervoltage threshold setting, the relay is de- energised after 550 ms and the red LED “ ...

Page 20

... Zelio Control - measurement and control relays 3-phase supply control relays RM4-T Presentation : Characteristics pages 3/44 to 3/46 References : page 3/48 Dimensions, schemes : page 3/49 Type of relay Output relay and operating characteristics Number of C/O contacts Output relay state Accuracy of switching the set value ...

Page 21

... V V None 200…240 Undervoltage 50/60 Hz 160…220 380…500 Undervoltage 50/60 Hz 300…430 Control relays: rotational direction and presence of phases + overvoltage and undervoltage Relays with fixed voltage thresholds Adjustable Rated Control time delay mains supply threshold voltage ( 0.1...10 220 Undervoltage ...

Page 22

... Zelio Control - measurement and control relays 3-phase supply control relays RM4-T Presentation : Dimensions, schemes pages 3/44 to 3/46 Characteristics : page 3/47 References : page 3/48 Dimensions RM4-T 80 22,5 Schemes, connection Terminal blocks RM4-TG20, TU0i (24) 25 (21) 26 (22) 18 (14) 15 (11) 16 (12) L1, L2, L3 Supply to be monitored ...

Page 23

... Operating principle The supply voltage to be monitored is connected to terminals L1 the product. There is no need to provide a separate power supply for RM4-UB relays; they are self-powered by terminals L1, L2, L3. If the voltage goes outside the range to be monitored, the output relay is de-energised: - overvoltage: red LED “> U” illuminates. ...

Page 24

... Zelio Control - measurement and control relays Single-phase supply control relays RM4-UB Presentation : Characteristics page 3/50 References : page 3/52 Dimensions, schemes : page 3/53 Output relay and operational characteristics Number of C/O contacts Output relay state Setting accuracy the setting value switching threshold Switching threshold drift ...

Page 25

... Presentation : page 3/50 Characteristics : page 3/50 Dimensions, schemes : page 3/53 RM4- 3/52 Zelio Control - measurement and control relays Single-phase supply control relays RM4-UB References Relays with adjustable thresholds Adjustable Rated Control time delay mains supply threshold voltage ( 0.1…10 100…200 ...

Page 26

... Zelio Control - measurement and control relays Single-phase supply control relays RM4-UB Presentation : Dimensions, schemes page 3/50 Characteristics : page 3/51 References : page 3/52 Dimensions RM4-UB 80 22,5 Scheme, connection Terminal block RM4- L1, L3 Supply to be monitored 15- C/O contact 15-16 of the output relay 25-28 ...

Page 27

... RM4-LG01 3 RM4-LA32 Te 3/54 Zelio Control - measurement and control relays Liquid level control relays Presentation Functions These devices monitor the levels of conductive liquids. They control the actuation of pumps or valves to regulate levels, and are also suitable for protecting submersible pumps against running empty, or protecting tanks from “overflow”. They can also be used to control dosing of liquids in mixing processes and to protect heating elements in the event of non immersion ...

Page 28

... Zelio Control - measurement and control relays Liquid level control relays Characteristics : page 3/56 References : Presentation page 3/56 Dimensions : pages 3/57 Setting-up : page 3/57 Operating principle The operating principle is based on a change in the resistance measured between immersed or non immersed electrodes. Low resistance between electrodes: liquid present. High resistance between electrodes: no liquid present. The electrodes may be replaced by other sensors or probes which transmit values representing variations in resistance. The a.c. measuring voltage, which is < ...

Page 29

... Maximum a.c. electrode voltage (peak to peak) Maximum current in the electrodes Maximum cable capacity Maximum cable length References RM4-LG01 RM4-LA32 LA9-RM201 Te 3/56 Zelio Control - measurement and control relays Liquid level control relays Characteristics, references RM4-LG01 V 24 110...130 220...240 380...415 V – – ...

Page 30

... Zelio control - measurement and control relays Liquid level control relays Presentation : Dimensions, schemes, setting-up pages 3/54 and 3/55 Characteristics : page 3/56 References : page 3/56 Dimensions RM4-LG01, LA32 80 22,5 Probe LA9-RM201 150 Schemes, connection RM4-LG01 RM4-LA32 Setting-up i Select the empty i If necessary, set potentiometer ...

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