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High Temp Resistant Limit Switch

Model:NHD1
Brand:Yongou Electric
Origin:Made In China
Category:Electronics & Electricity / Switch / Other Switches
Label:high temp travel , high temp switch , heat resistant switc
Price: ¥180 / pc
Min. Order:1 pc
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Member Information

Detail

Yongou Electric Co.,Ltd

Free MemberZhe Jiang - China
Last Online:02 Nov, 2015

Product Description

NHD1 high temperature travel switch details:

High temperature travel switch, high temperature position switch (also known as high temperature limit switch), is a commonly used small current main electrical appliances. High temperature travel switch is mainly used for AC 50HZ/60HZ, 380V, DC 220V and the following high temperature environment of the electrical line, for the movement mechanism of the stroke control, motion direction or speed of the transformation, automatic control of machine tools, motion control and control of movement mechanism or program. The contact action is realized by the collision of the moving parts of the production machinery to realize the control circuit and achieve the control purpose.


NHD1 high temperature travel switch for the top of the cylinder, through the impact of the upper part of the cylinder, so that the cylinder to press down, so that the switch of the contact action to achieve circuit switching. High temperature travel switch for metal aluminum alloy material, the internal use of high temperature resistant material cast into the full closed contact switch, a group of normally open a group of normally closed maximum allowable current 220V 5A/AC (other voltage acceptance), contact after special treatment can be used in high temperature environment for long time, and not oxidation or pollution, in order to improve the product in high temperature environment, especially in high temperature travel switch internal coating, increase its high temperature protection performance. NH series high temperature travel switch highest temperature is divided into 4 grades, 150 degrees, 250 degrees, 350 degrees, 550 degrees (ceramic), which can be divided into roller arm type, adjustable rod type, pressure plunger and roller pressure column type, etc. more than 10 kinds of specifications, can meet the requirements of different occasions. Widely used in electric power, chemical, petroleum, textile, steel and other industries.
 

Characteristics

Operation speed

 1mm to 2m/S (NHD1)

Action frequency

 Mechanically:120 times/minute Electically:30 times/Minute

Contact resistance

Under 15mΩ(initial)

Insulation resistance

 100mΩ above (at 500VDC)

Bearing voltage

Non-contact end:1,000VAC,50/60Hz for one minute
Current parts and noncurrent parts and end and connect position :2,200VAC,50/60Hz for one minute

Vibration

 Action:10 to 55Hz,1.5mm pairs swing

Hitting

Machine:1,000m/Sec2(about 100G,S)
Action:300m/Sec2(about 30G,S)

Ambient temperature

Use:-10 to +350℃

Humidity

 Max 95% RH

Serve life

Mechanically:15,000,000 times above(at rated ot)
Electrically:500,000 times above

Weight

 About 270g

Protection structure

IEC specification:IP65

 

Action characteristics

Models

NHY1

 NHD2

NHA5

NHY2

NHL1

NHY3

NHD1

NHD2-1

NHD3

OF Max

1360g

2720g

150g

1360g

142g

1200g

2720g

2720g

2720g

RF Min

227g

910g

-

227g

28g

-

910g

910g

910g

PT Max

20°

1.7mm

28mm

20°

20°

55°

1.7mm

1.7mm

1.7mm

OT Min

30°

5.6mm

-

30°

30°

35°

6.4mm

5.6mm

5.6mm

MD   Max

12°

1mm

-

12°

12°

-

1mm

1mm

1mm

TF Max

2720g

-

-

2720g

200g

-

-

2720g

2720g

TT Min

50°

6.5±0.8mm

-

50°

50°

OP:90±10°

OP:34±2.8mm

6.5±0.8mm

9±0.8mm

Rated number

 
Rated voltage

Nonelectrical carry

Electrical carry

Resistance oarry

Bulb carry

Electrical
carry

Motor carry

NC

NO

NC

NO

NC

NO

NC

NO

125VAC
250VAC
480VAC
600VAC

10
5
3
1

3
2
1.5
1

1.5
1
0.8
0.5

10
5
3
1.5

5
3
1.5
1

2.0
1
0.8
0.5

8VDC
14VDC
30VDC
125VDC
250VDC

10
10
6
0.8
0.4

6
6
4
0.2
0.1

3
3
3
0.2
0.1

10
10
6
0.8
0.4

6
6
4
0.2
0.1

Remarks:1.Electrical carry:power factor=0.4.time constant= 7 msec.
2.The Bulb carry current is 10 times as than in stable condition. Motor
carry current is 6 times as than in stable condition.

Characteristics of high temperature travel switch:
Double circuit limit switch, a wide range of uses
Solid cast aluminum alloy housing
High mechanical strength
Oil resistant, waterproof and anti pressure structure
Because it is equipped with a position indicator plate, it is easy to maintain.
Actuator variety, easy to use
Inside contact seat has double reed, long mechanical life
Open hole size of high temperature travel switch:

Upper and lower hole distance:58.7 ±0.2 Left and right  hole distance:30.2±0.2

 

Problems in the use of high temperature resistant travel switch: (1) in the installation of high temperature switch, to check whether the object in the travel in place of the collision of the travel switch head, the middle or other parts of the trip switch can not be collision. (2) in the installation or in were examined for resistance to high temperature trip switch, to put it firmly fixed, hand toggle bit resistant to high temperature limit switch head, listen carefully, check whether there is the sound of "bang", if not, please open resistance to high temperature limit switch, adjusting connects the inching switch and the action of an axis of the screw.


Payment Terms:L/C, D/A, T/T

Product Image

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 High Temp Resistant Limit Switch  5
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Send Inquiry to this Member

Yongou Electric Co.,Ltd

Changhong Industrial Park, Liushi Town, Yueqing City

Phone:
86-0577-83111118
Fax:
86-0577-61756591
Contact:
Xuyong Jiang (Ministry of Commerce)
Mobile:
13819771011

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