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Overload Relays TH-N220HZ/N400HZ Series (TH-N220HZ 125A)

Part Number

Configured Part Number is shown.

TH-N220HZ 125A

MS-N Series Standard And 2-Element Thermal Relay Features

  • Can be used for standard motor overload and locking protection.
  • Motor current value can be directly set for easy setup.
  • *Adjust with a cross-head / straight-slot screwdriver.
  • Easy to change between manual reset and automatic reset.
  • Can use different voltages for a and b contacts.

MS-N Series Standard And 2-Element Thermal Relay Specifications

TH-N220HZ

TypeThermal relay
ProductOverload protection type thermal relay
SeriesTH-N
Type NameTH-N220HZ
Number Of Elements2-element
Settling Current Adjustment Range65 to 220 A
Heater Nominal [A] Note 1(1)82 (65 to 100)
105 (85 to 125)
125 (100 to 150)
150 (120 to 180)
(2)180 (140 to 220)
Power Consumption [VA/Element]
Minimum/Maximum Settling Time
1.0/2.3 Note 3
Terminal Screw SizeM10
Match To TerminalWire Size [mm2]-
Crimp Terminal Size22-10 to 150-10
Contact Configuration1a1b
Open Thermocurrent lth (A)5
Rated Operating Current [A]AC-15 Class (AC Electromagnetic Contactor Coil Switch) a-Contact / b-Contact - Note 224 V AC2 (0.5) / 3 (0.5)
120 V AC2 (0.5) / 3 (0.5)
240 V AC1 (0.5) / 2 (0.5)
550 V AC0.5 (0.5) / 1 (0.5)
DC-13 Class (DC Electromagnetic Contactor Coil Switch) a-Contact/b-Contact - Note 224 V DC1 (0.3)
110 V DC0.2 (0.2)
220 V DC0.1 (0.1)
Minimum Applied Load Level20 V 5 mA
Terminal Screw SizeM4
Wire Size Matching TerminalWire Size [mm2]ø1.6, 1.25 to 2
Crimp Terminal Size1.25 to 4 to 2-4, 5.5-S4
Electromagnetic Contactor Frame To Combine - Note 1(1)N180, N220
(2)N220
Single-Unit MountingYes
Terminal CoverStandard Terminal CoverN/A
Wiring Streamlining Terminal FunctionN/A
Usage ConditionsAmbient Temperature [°C]-10 to +40°C
(standard is 20°C, maximum temperature in panel 55°C)
Frequency [Hz]0 (DC) to 400
Additional Functions/OptionsNo additional functions/options
  • Note 1: The electromagnetic contactor frame combination possibilities differ by the heater nominal (Example: Electromagnetic contactor (1) can be combined with heater nominal (1)).
  • Note 2: The values in ( ) are the rating upon automatic reset.
  • Note 3: Power consumption shows only consumption by the heater element (does not include current transformer consumption).

TH-N400HZ

TypeThermal relay
ProductOverload protection type thermal relay
SeriesTH-N
Type NameTH-N400HZ
Number Of Elements2-element
Settling Current Adjustment Range85 to 400 A
Heater Nominal [A] Note 1(1)105 (85 to 125)
125 (100 to 150)
150 (120 to 180)
180 (140 to 220)
250 (200 to 300)
(2)330 (260 to 400)
Note 3
Power Consumption [VA/Element]
Minimum/Maximum Settling Time
1.0/2.3 Note 4
Terminal Screw SizeM12
Match To TerminalWire Size [mm2]-
Crimp Terminal Size22-12 to 200-12
Contact Configuration1a1b
Open Thermocurrent lth (A)5
Rated Operating Current [A]AC-15 Class (AC Electromagnetic Contactor Coil Switch) a-Contact / b-Contact - Note 224 V AC2 (0.5) / 3 (0.5)
120 V AC2 (0.5) / 3 (0.5)
240 V AC1 (0.5) / 2 (0.5)
550 V AC0.5 (0.5) / 1 (0.5)
DC-13 Class (DC Electromagnetic Contactor Coil Switch) a-Contact/b-Contact - Note 224 V DC1 (0.3)
110 V DC0.2 (0.2)
220 V DC0.1 (0.1)
Minimum Applied Load Level20 V 5 mA
Terminal Screw SizeM4
Wire Size Matching TerminalWire Size [mm2]ø1.6, 1.25 to 2
Crimp Terminal Size1.25 to 4 to 2-4, 5.5-S4
Electromagnetic Contactor Frame To Combine - Note 1(1)N300, N400
(2)N400
Single-Unit MountingYes
Terminal CoverStandard Terminal CoverN/A
Wiring Streamlining Terminal FunctionN/A
Usage ConditionsAmbient Temperature [°C]-10 to +40°C
(standard is 20°C, maximum temperature in panel 55°C)
Frequency [Hz]0 (DC) to 400
Additional Functions/OptionsNo additional functions/options
  • Note 1: The electromagnetic contactor frame combination possibilities differ by the heater nominal (Example: Electromagnetic contactor ① can be combined with heater nominal ①.).
  • Note 2: The values in ( ) are the rating upon automatic reset.
  • Note 3: The thermal relay for heaters with nominal of 180 A or less are the same as the N220 frame.
  • Note 4: Power consumption shows only consumption by the heater element (does not include current transformer consumption).
Part Number
TH-N220HZ 125A
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipMotor capacity/nominal thermal nominal size 440 VAC
(kW/A)
Motor Capacity / Thermal Nominal Size VAC 220
(kW/A)
Dimension width
(mm)
Frame Size Nominal heater size
(A)

2,533,670 IDR

1 Piece(s) Quote 75/12537/125104N220125

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Basic Information

Number of Poles 3 Auxiliary Contact 1a1b Dimension length(mm) 144
Dimension thickness(mm) 166.5 Specifications Standard/2 elements Finger protection/terminal cover NA

Please check the type/dimensions/specifications of the part TH-N220HZ 125A in the Overload Relays TH-N220HZ/N400HZ Series series.

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Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipMotor capacity/nominal thermal nominal size 440 VAC
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Motor Capacity / Thermal Nominal Size VAC 220
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Dimension width
(mm)
Frame Size Nominal heater size
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Tech Support

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