Contact Platform Support
Help CenterTravel Switch Withstand High Heat
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Specifications
It's used in high temperature environment for a long time without failure from oxidization or pollution.Characteristics:
Temperature 250 °C
Double circuit limit switch, widely used
The one with solid cast aluminum housing
High mechanical strength
Resistant to oil, water & pressure
Easy to maintenance
Easy to use
Mechanical life is long
Summary:
The interior part: fully sealed high temperature contact switches whose maximum allowable current is 5A/AC 220V. Since the contact is suffered special treatment, it can be used in high temperature environment for a long time without failure from oxidization or pollution.
The highest temperature of JDHK-2 series is 350 °C, while the long term working temperature is 250 °C. As for JDHK-3 series, The highest temperature is 650 °C, while the long term working temperature is 550 °C. It has filled the domestic blank of ultra-high temperature switch field. Every switch has roller, adjustable rod, pressure plunger to meet your different need. It’s widely used in electrical, chemical, petroleum, textiles, steel and other industries.
Specification:
Rated Votage |
Non-inductive Load( A ) |
Inductive Load ( A ) |
||||||
(V) |
Resistive Load |
Bulb Load |
Inductive Load |
Motor Load |
||||
|
NC |
NO |
NC |
NO |
NC |
NO |
NC |
NO |
125VAC |
10 |
3 |
1.5 |
10 |
5 |
2 |
||
250VAC |
5 |
2 |
1 |
5 |
3 |
1 |
||
480VAC |
3 |
1.5 |
0.8 |
3 |
1.5 |
0.8 |
||
600VAC |
1 |
1 |
0.5 |
1.5 |
1 |
0.5 |
||
8VDC |
10 |
6 |
3 |
10 |
6 |
|||
14VDC |
10 |
6 |
3 |
10 |
6 |
|||
30VDC |
6 |
4 |
3 |
6 |
4 |
|||
125VDC |
0.8 |
0.2 |
0.2 |
0.8 |
0.2 |
|||
250VDC |
0.4 |
0.1 |
0.1 |
0.4 |
0.1 |
|||
Technical Parameters:
1. Operating speed : 0.5mm to 50cm / sec
2. Frequency mechanical movement: 120 beats / min, electrical: 30 beats / min
3. Contact resistance: 25m Ω or less (initial)
4. Insulation resistance: 100m Ω above (under the 500VDC) 1000VAC, 50/60HZ for 1 minute (same polarity)
5. Withstand voltage:
No-load current and load current between parts: 1500VAC, 50/60 HZ for 1 minute
Between each terminal and ground: 1500VAC, 50/60 HZ for 1 minute
6. Vibration 10-55HZ, 1.5mm double amplitude
7. The impact of mechanical durability: 1, 000m / Sec 2 (about 100G 'S more)
8. Malfunction: 300m / Sec 2 (about 30G 'S more)
9. Ambient temperature -10 °C to + 250 °C
10. Humidity <95% RH
11. Service life of mechanical durability l: 15,000,000 times
12. Electrical: 500,000 times
13. Weight of about 275g
14. Degree of protection IP67
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