Electrical Thermal Overload Relay 60Hz Sth -40 with Auxiliary Contact Block

• Theory: Thermal Relay
• Usage: Car Relay, Household Appliances Relay, Communication Relay, Lathe Relay
• Phase: 3
• Shipping Cost: Estimated freight per unit.: about shipping cost and estimated delivery time.
• Currency: US$
• Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
• Model NO.: STH
• Electricity Type: Ac
• Number of Pole: 3
• Load: Weak Power Relay
• Protective Characteristics: Open Relay
• Action Principle: Electromagnetic Type
• Size: Miniature
• Type: Electric Parameter Relay
• Standard: IEC 60947-1
• Coil Voltage: 24,220,240,380,415V
• Rated Current: 0.63-500A
• Frequency: 50Hz/60Hz
• Transport Package: Carton
• Specification: 50PCS/CTN
• Trademark: SONTUOEC, WZSTEC
• Origin: Wenzhou Zhejiang
• HS Code: 85364900
• Production Capacity: 3000pieces/Week
• Package Size: 46.00cm * 24.00cm * 33.00cm
• Package Gross Weight: 0.500kg

Product Description

Product Description

STH series of thermal overload relay can be  used in the circuit  of 50/60 HZ, rated insulation voltage 660 V, rated current 0.1-93A  for protecting the phase break when the electric motor is overload , the relay has different mechanism and temperature compensation can be pluged in ST1 series AC contactor,It is the most advanced thermal relay in the nineties in the world the products comply with IEC 60947-4. 

Specifications:
             IEC STANDARD: 60947.1


             COIL VOLTAGE:24,220,240,380,415V
             RATED CURRENT:0.63,1,1.6,2.5,4,6,8,10,13,18,25,32(TR2-D13)
                               32,40A(TR2-D23)
                               32,40,50,65,70,80A(TR2-D33)
                               93,104,120,140A(TR2-D43)
 

Type	Thermal Component
	Rated Current (A)	Regular or Scale of Rated Current(A)
STH(GTH)-22	0.14	0.10-0.16
	0.21	0.16-0.25
	0.33	0.25-0.40
	0.52	0.40-0.63
	0.82	0.63-1.0
	1.3	1.0-1.6
	2.1	1.6-2.5
	3.3	2.5-4.0
	5	4.0-6.0
	6.5	5.0-8.0
	7.5	6.0-9.0
	8.5	7.0-10.0
	11	9.0-13.0
	15	12.0-18.0
	19	16.0-22.0
STH(GTH)-40	22	18.0-26.0
	30	24.0-36.0
	34	28.0-40.0
STH(GTH)-85	30	24.0-36.0
	34	28.0-40.0
	42	34.0-50.0
	55	45.0-65.0
	65	54.0-75.0
	74	63.0-85.0

Our Services:
 

1. Competitive price
2. Continuance Service and support
3. Good-after service
4. Quality Reliability and Long Product Life.