Power Controllers
G3PX
CSM_G3PX_DS_E_2_1
■
Single-phase Models
EUN Series
AC Power Controllers with Phase-control
System Allow Precise Temperature Control
Models with Base-up and Soft-start
Functions
EH Series
Phase Control System Makes It Possible to
Detect Single Heater Open Circuit (EH
Series) and Multiple Heater Open Circuits
(EHN Series)
EC Series
Optimum Devices for Controlling Input
Power for Pure Metal Heater, and
Incorporating Overcurrent Detecting and
Single Heater Open Circuit Detecting
Functions
• OMRON’s unique design and carefully-selected materials made
it possible to produce a compact and lightweight Power
Controller.
• Replaceable, easy-to-install Power Device Cartridge assures
ease of maintenance.
• Detecting component failures and operating errors.
• Certified by UL and CSA.
Refer to
Safety Precautions for All Power
Controllers.
Model Number Structure
■
Model Number Legend
G3PX-@@@@-@
1
2 3 4 5
6
5. Functions
UN:
Simple models
H:
Single heater open circuit detection function
HN:
Multiple heater open circuit detection function
C:
Constant-current function
6. CT Unit Type
Note:
Refer to
CT Unit
on page 4.
1. Basic Model Name
G3PX:
Power Controller
2. Rated Load Power Supply Voltage
2:
100/110 VAC and 200/230 VAC
3. Rated Load Current
20:
20 A
40:
40 A
60:
60 A
4. Number of Phases
E:
Single
1
G3PX
G3PX Cartridge
G32X-@@
1
2 3
1. Basic Model Type
G32X:
Accessory for G3PX
2. Basic Model Name
A:
Power Device Cartridge
3. Rated Load Current
20:
20 A
40:
40 A
60:
60 A
CT Unit
G32X-@@@
1
2 3 4
1. Basic Model Type
G32X:
Accessory for G3PX
2. Basic Model Name
CT:
CT Unit
3. Length of Lead Wires
03:
30 cm
10:
100 cm
4. Series
Blank:
Series for single heater open circuit detection
HN:
Series for multiple heater open circuit detection
C:
Series for constant current
Variable Resistor
G32X-@
1
2
1. Basic Model Type
G32X:
Accessory for G3PX
2. Basic Model Name
V3K:
3-kΩ Variable Resistor
V2K:
2-kΩ Variable Resistor
2
G3PX
Ordering Information
■
List of Models
EUN Series
Phase
Single
Applicable load
Level indicator
Base-up function
(See note.)
Yes
Soft-start time
Carry
current
40 A
60 A
Rated voltage
100/110 VAC
200/220 VAC
Model
G3PX-220EUN
G3PX-240EUN
G3PX-260EUN
Yes
Resistive load
Heater
(e.g., alloy heater
or halogen lamp)
(See note 2.)
Approx. 0.5 to 10 s 20 A
Note: 1.
The base-up output with a 0-mA temperature controller output (i.e. the temperature controller is OFF) differs from that with a 4-mA
temperature controller output. Refer the
Base-up Characteristics
on page 7.
2.
Contact your OMRON representative for applications to transformer loads.
EH Series
Phase
Applicable load
Level indicator
Single heater
open circuit
detection
Yes
Multiple heater
open circuit
detection
No
Carry
current
20 A
40 A
60 A
Yes (See note 2.)
Yes
20 A
40 A
60 A
Rated voltage
Model
(See note 1.)
G3PX-220EH-CT03
G3PX-220EH-CT10
G3PX-240EH-CT03
G3PX-240EH-CT10
G3PX-260EH-CT03
G3PX-260EH-CT10
G3PX-220EHN-CT03
G3PX-220EHN-CT10
G3PX-240EHN-CT03
G3PX-240EHN-CT10
G3PX-260EHN-CT03
G3PX-260EHN-CT10
Note: 1.
EH- and EHN-series models are provided with a CT incorporating 30- or 100-cm-long lead wires and Power Device Cartridge. When
ordering, specify the length of the lead wires by adding a code to the model number as shown below.
G3PX-2@0EH-CT03: CT with 30-cm-long lead wires
G3PX-2@0EH-CT10: CT with 100-cm-long lead wires
2.
Adjusts the multiple heater open circuit detection sensitivity of EHN-series models. Enables single heater open circuit detection in control
of a maximum of five heaters.
3.
Contact your OMRON representative for applications to transformer loads.
Single
Resistive load
Yes
Heater
(e.g., alloy heater
or halogen lamp)
(See note 3.)
100/110 VAC
200/220 VAC
EC Series
Phase
Applicable
load
Level indicator
Constant-current
function
Yes
Single heater
open circuit
detection
Yes
Carry
current
20 A
40 A
60 A
Rated voltage
Model
(See note.)
G3PX-220EC-CT03
G3PX-220EC-CT10
G3PX-240EC-CT03
G3PX-240EC-CT10
G3PX-260EC-CT03
G3PX-260EC-CT10
Single
Resistive load Yes
Heater
(e.g., alloy heat-
er, pure metal
heater, or halo-
gen lamp)
(See note 3.)
100/110 VAC
200/220 VAC
Note: 1.
EC-series models are provided with a CT Unit with lead wires (30- or 100- cm in length). When ordering, specify the length of the lead
wires by adding a code to the model number as shown below.
G3PX-2@0EC-CT03: CT with 30-cm-long lead wires
G3PX-2@0EC-CT10: CT with 100-cm-long lead wires
2.
A CT Unit and Power Device Cartridge are provided with the Power Controller.
3.
Contact your OMRON representative for applications to transformer loads.
3
G3PX
■
Accessories (Order Separately)
CT Unit
Name
CT Unit
Length of lead wires
30 cm
100 cm
30 cm
100 cm
30 cm
100 cm
G3PX-2@@EC
G3PX-2@@EHN
Solderless terminals
Yes
Applicable models
G3PX-2@@EH
Model
G32X-CT03
G32X-CT10
G32X-CT03HN
G32X-CT10HN
G32X-CT03C
G32X-CT10C
Power Device Cartridge
Name
Power Device Cartridge
20 A
40 A
60 A
Carry current
Applicable models
G3PX-220E@@
G3PX-240E@@
G3PX-260E@@
Model
G32X-A20
G32X-A40
G32X-A60
Note:
The G32X-A is a dedicated Power Device Cartridge for the G3PX.
Refer to
Replacement Parts
on page 15.
Specifications
■
Ratings (at an Ambient Temperature of 25°C)
Control
Item
G3PX-
220EUN/
240EUN/
260EUN
100/110, 200/230 VAC
50/60 Hz (See note 1.)
External main
2 kΩ (type B, 2 W min.)
setting
(See note 2.)
Current input
Voltage ON/
OFF input
External duty
setting
Relay output for alarm
3 kΩ (type B, 2 W min.)
2 kΩ (type B, 2 W min.)
G3PX-
220EH/
240EH/
260EH
G3PX-
220EHN/
240EHN/
260EHN
G3PX-
220EC/
240EC/
260EC
Rated voltage
Frequency
Input
signal for
control
4 to 20 mA (at 1 to 5 VDC) (Input impedance: 250Ω) (See note 3.)
5 to 24 VDC (Input impedance: approx. 20 kΩ)
3 kΩ (type B)
---
SPDT: 8 A at 250 VAC/30 VDC
Note: 1.
50/60 Hz (no selector required) (EUN Series)
Terminals 18 and 19 of EHN/EC-series models must be open when the supply frequency is 50 Hz. These terminals must be short-
circuited when the supply frequency is 60 Hz.
2.
Use the G32X-V2K 2-kΩ Variable Resistor for external main setting on EUN, EC, and EHN (G32X-V3K 3-kΩ for EN-series models).
3.
Input 4 to 20 mA or 1 to 5 VDC linear input to the 4 to 20 mA current input terminal.
Output
Model
Rated load voltage
G3PX-220E@
G3PX-220E@N
G3PX-240E@
G3PX-240E@N
G3PX-260E@
G3PX-260E@N
100/110, 200/220 VAC (50/
60 Hz)
1 to 20 A (at 40°C)
(See note.)
1 to 40 A (at 40°C)
(See note.)
1 to 60 A (at 40°C)
(See note.)
Applicable load
Load current
Inrush current
220 A (60 Hz, 1 cycle)
440 A (60 Hz, 1 cycle)
440 A (60 Hz, 1 cycle)
Number of phases
Single
Note:
The G3PX-2@@EHN (model with multiple heater open circuit detecting function) and G3PX-2@@EC (constant-current model) require 20%
min. of the rated current to detect a short mode failure. EC-series models detect an open mode failure if the load current has dropped to
80% of the rated value. A short mode failure will be detected if the current has risen to 20% of the rated value.
4
G3PX
■
Characteristics
EU/EH Series
Item
Operating voltage range
Operating frequency range
Output voltage adjustable
range
Internal duty setting range
External duty setting range
Start-up time
(See note 2.)
Base-up range
Multiple heater open circuit
detection
Min. phase detection
Min. phase setting
Min. load current for ON er-
ror detecting
Abnormality detection time
Leakage current
Insulation resistance
Dielectric strength
Vibration resistance
Shock resistance
Ambient temperature
Ambient humidity
Weight
±10%
±1
Hz
0% to 95%
0% to 100%
0% to 100%
Approx. 0.5 to 10 s
(See note 3.)
0% to 90%
---
---
---
---
---
Approx. 1/6
π
---
1A
0.1 s max.
Approx. 1/6
π
30% max. of rated current
(See note 5.)
1 s max.
10% to 100% (See note 1.)
10% to 100% (See note 1.)
Approx. 0.1 to 1 s
(See note 3.)
---
20% max. (See note 4.)
0% to 100%
0% to 100%
Approx. 0.5 to 10 s
(See note 3.)
G3PX-220EUN/
240EUN/260EUN
G3PX-220EH/240EH/260EH
G3PX-220EHN/
240EHN/260EHN
Voltage drop with output ON
1.6 V max. (RMS)
10 mA max. at 100/110 VAC, 20 mA max. at 200/220 VAC
100 MΩ min. (at 500 VDC)
2,000 VAC, 50/60 Hz for 1 min.
Malfunction: 10 to 55 to 10 Hz, 100 m/s
2
Malfunction: 300 m/s
2
Operating:
Storage:
–25°C to 65°C (with no icing or condensation)
–10°C to 55°C (with no icing or condensation)
G3PX-220EH: approx. 1.1 kg
G3PX-240EH: approx. 1.4 kg
G3PX-260EH: approx. 1.7 kg
G3PX-220EHN: approx. 1.2 kg
G3PX-240EHN: approx. 1.5 kg
G3PX-260EHN: approx. 1.8 kg
Operating: 45% to 85%
G3PX-220EUN: approx. 1.1 kg
G3PX-240EUN: approx. 1.4 kg
G3PX-260EUN: approx. 1.7 kg
Note: 1.
2.
3.
4.
5.
Duty setting does not complete to the OFF state (i.e. 10% remains).
The start-up time is factory-set to 1 s on the EH Series, approx. 0.5 s on the EHN and EC Series.
This is the initial start-up time with a 100% duty setting.
Detection is effective when the set current is reduced by 20% or more.
The minimum set value in the G3PX-220EHN is 6 A. If a lower value is required, increase the number of wiring turns around the CT.
5
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