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GTH

GTH Thermal Overload Relays

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MODEL NUMBER:GT-22/GT-40/GT-85
Timer Relay / Industrial Control Relay
GTH Thermal Overload Relays

The GTH thermal overload relay protects motor circuits in coordinated starter assemblies. GTH-22, GTH-40 and GTH-85 frames provide different current-setting options, with matching contactors and accessories for the selected starter size.

Model
GTH
Product Type
Thermal Overload Relay
Application Focus
Motor overload protection and low-voltage control panels
GTH Thermal Overload Relay product image

Buyer Overview

KANGGE ELECTRIC supplies the GTH series for importers, distributors, panel builders, machinery manufacturers, contractors and OEM electrical-equipment buyers.

The GTH thermal overload relay protects motor circuits in coordinated starter assemblies. GTH-22, GTH-40 and GTH-85 frames provide different current-setting options, with matching contactors and accessories for the selected starter size.

GTH Quick Selection: Confirm the exact model, supply or coil voltage, timing or current setting, contact arrangement, mounting method, application and quantity before quotation.

Product Advantages

  • •GTH-22 GTH-40 GTH-85 selection is supported by the model columns, current bands and motor-power references in the comparison table.
  • •The CJX3-G contactor overload relay combinations are listed for direct starters, with different contactor groups assigned to each GTH frame.
  • •M4 screw-clamp load terminals are listed for the main circuit, with M3.5 screw-clamp terminals for the auxiliary connections.
  • •The AZ-22H AZ-40H AZ-85H relay accessories are mapped respectively to GTH-22, GTH-40 and GTH-85 in the accessory table.

Technical Specifications

Three phase(4 pole)motor max.powerGTH-22GTH-40GTH-85
220V kW380V kW415V kW440V kW550V kW660V kW
●●●●●●0.1~0.16
●●●●●●0.16~0.2
●●●●●0.37
0.5		0.25~0.4
●●●●0.37
0.5		0.55
0.75		0.4~0.63
●0.37
0.5		●0.55
0.75		0.75
1		1.1
1.5		0.63~1
0.37
0.5		0.75
1		1.1
1.5		1.1
1.5		1.1
1.5		1.5
2		1~1.6
0.75
1		1.51.5
2		1.52.2
2		3
2		1.6~2.5
3		4
1.1
1.5		2.2
3		2.2
3		2.2
3		3
4		4
5.5		2.5~44~6
1.5
2		3
4		3.7
5		3.7
5		4
5.5		5.5
7.5		4~65~8
●●4
5.5		5.54
●		●5~86~9
2.2
3		4
5.5		4
5.5		4
5.5		5.5
7.5		7.5
10		6~97~107~10
3
4		5.5
7.5		5.5
7.5		5.5
7.5		7.5
10		10
13.5		7~109~139~13
4
5.5		7.5
10		9
12		9
12		10
13.5		15
20		9~1312~1812~18
5.5
7.5		11
15		11
15		11
15		●●12~1816~2216~22
5.5
7.5		11
15		11
15		11
15		15
20		18.5
25		16~2218~2618~26
7.5
10		15
20		15
20		15
20		18.5
25		22
30		24~3624~36
●15
20		●●18.5
25		●28~4028~40
11
15		22
30		25
35		25
35		30
40		37
50		34~50
15
20		25
35		30
40		30
40		37
50		45
60		45~65
18.5
25		30
40		37
50		37
50		45
60		55
75		54~75
22
30		37
50		45
60		45
60		55
75		63
85		63~85
25
35		51
70		55
75		59
80		63
85		90
125
30
40		59
80		59
80		63
85		80
110		110
150
45
60		80
110		80
110		90
125		100
135		129
175
55
75		90
125		100
135		110
150		110
150		160
220
63
85		110
150		129
175		140
190		160
220		200
270
80
110		150
205		160
220		160
220		200
270		257
350
110
150		185
250		200
270		220
300		257
350		335
455
180
245		315
430		355
480		375
510		425
580		500
680
220
300		400
545		425
580		450
610		500
680		●
Applied contactors for direct startersCJX3-G09
CJX3-G12
CJX3-G18
CJX3-G22		CJX3-G32
CJX3-G40		CJX3-G50
CJX3-G65
CJX3-G75
CJX3-G85
Main
(Load)		Screw(M4)clamp terminal
Cable capacity :1.25~5.5mm ²/Φ 1.6~2.6
AuxiliaryScrew(M3.5)clamp terminal
TypeApplied TOR
AZ-22HGTH-22
AZ-40HGTH-40
AZ-85HGTH-85

Dimensions and Original Product References

GTH Thermal Overload Relay original technical reference
GTH Thermal Overload Relay original technical reference 2

Applications

  • •Motor overload protection and low-voltage control panels
  • •Low-voltage electrical control and automation projects
  • •OEM equipment and control-panel assembly
  • •Replacement and maintenance selection based on the exact model
  • •B2B supply for importers, distributors, contractors and project buyers

Model Selection Guide

  • •Confirm the complete model and required function before quotation.
  • •Check the original technical table for available operating parameters and configuration options.
  • •Verify the control voltage or supply voltage, contact arrangement and wiring method when applicable.
  • •Confirm the mounting method, application conditions and required accessories.
  • •Send the selected model, project requirements, quantity and destination market for technical review.

GTH FAQ

What is the GTH product used for?
It is intended for motor overload protection and low-voltage control panels. Confirm suitability against the original technical data and project circuit.
How should buyers select the GTH model?
Compare the confirmed source table with the required voltage, function, contact or output configuration, mounting method and application.
Can CANGO support B2B and OEM requirements?
Buyers can send the exact model, technical requirements, order quantity, branding or packing request and destination market for review.
What is needed for a GTH quotation?
For a GTH quotation, provide the required parameters, wiring or mounting details, quantity and destination market.

Send Inquiry

For a GTH quotation, send the selected model, supply or coil voltage, timing or current requirement, contact configuration, mounting method, quantity and destination market. Our team can review the retained technical table with your project requirements.

Contact KANGGE ELECTRIC

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+86-13588992688

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Package Details

Products usually are typically packed in a plastic bag, then in a separate cardboard box, and several boxes are then packed into a corrugated carton. For loose cargo, we will palletize it to protect the goods from deformation during transport. We also accept customized package.

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