Sth-40 Series Overload Relay Thermal Relay

Product Details
Customization: Available
Theory: Thermal Relay
Usage: Car Relay, Household Appliances Relay, Communication Relay, Lathe Relay
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  • Sth-40 Series Overload Relay Thermal Relay
  • Sth-40 Series Overload Relay Thermal Relay
  • Sth-40 Series Overload Relay Thermal Relay
  • Sth-40 Series Overload Relay Thermal Relay
  • Sth-40 Series Overload Relay Thermal Relay
  • Sth-40 Series Overload Relay Thermal Relay
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  • Overview
  • FAQ
Overview

Basic Info.

Model NO.
STH-40
Phase
3
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
0.16-93
Trademark
SONTUOEC, WZSTEC
Origin
Wenzhou Zhejiang
HS Code
85364900
Production Capacity
3000pieces/Week

Packaging & Delivery

Package Size
46.00cm * 24.00cm * 33.00cm
Package Gross Weight
0.025kg

Product Description

STH-40 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 60947-1
                                                                               STH-22                                               STH-40                                         STH-85Sth-40 Series Overload Relay Thermal Relay

Motion Characteristic: Three-phase Balance Motion Time

No. Times of the setting current Motion time Start condition Ambient temperature
1 1.05 >2h Cold state 20±5oC
2 1.2 <2h Heat state(Following the No.1 test)
3 1.5 <4min
4 7.2 10A 2s< Tp≤10s ≤63A Cold state
10 4s< Tp≤10s >63A

 

Phase-losing Motion Characteristic

No. Times of the setting current Motion time Start condition Ambient temperature
Any two phases Another phase
1 1 0.9 >2h Cold state 20±5oC
2 1.15 0 <2h Heat state(Following the No.1 test)
Sth-40 Series Overload Relay Thermal Relay
Sth-40 Series Overload Relay Thermal Relay

Sth-40 Series Overload Relay Thermal Relay
Sth-40 Series Overload Relay Thermal Relay
Sth-40 Series Overload Relay Thermal RelaySth-40 Series Overload Relay Thermal Relay

 

FAQ

Q 1. what's the payment term?   

A. We accept TT,30% deposit and 70% balance agaisnt copy of B/L.
Q 2. how's the delivery time ? 
A. usually it will take about 25 days for production
Q 3. tell me the standard of package?   
A. Normally are cartons, but also we can pack it according to your requirement.
Q 4.Would you accept to use our logo ? 
A.If you have good quantity,it absolute no problem to do OEM.
Q5. Can i take some samples?
A: Yes, we support to take samples before place the order. Just feel free to contact with us if you have any requirements.
Q6. Are you original Factory?
A: Yes, we have our own factory .
Q7. How can you make sure the quality of the products?
A: We will accord to international quality standards to inspect every item before leaving our factory.
Sth-40 Series Overload Relay Thermal Relay

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