Thermostat KSD9700 250V/10A, NC

Fully encapsulated thermostat in industrial quality. Opens when the prescribed temperature is reached. At lower temperatures the thermostat is closed.

datasheet

Description

Fully encapsulated thermostat in industrial quality. Opens when the prescribed temperature is reached. At lower temperatures the thermostat is closed.

Applicable to all types of household appliances and electronic products. For example, electric motors, fluorescent lamps, battery chargers, transformers, solenoids, heating mats, etc..

NC (normal closed) circuit

automatic reset
working voltage 250V AC/ 125V AC
max. current 10A

response speed ≤1°C/min

Circuit resistance: ≤50mΩ

insulation resistance: ≥100 MΩ

lifetime: up to 10,000 switching cycles
metal housing

pin location: radial
size: 20x7.5x3.8 mm
cable length: 70 mm
price for 1 piece

Operating temperature	Resetting temperature	Operating temperature	Resetting temperature
25±5°C	≥15°C	105 ±5°C	75±15°C
30±5°C	≥20°C	110 ±5°C	75±15°C
35±5°C	≥25°C	115 ±5°C	80±15°C
40±5°C	≥30°C	120 ±5°C	85±15°C
45±5°C	≥33°C	125 ±5°C	85±15°C
50±5°C	≥35°C	130 ±5°C	90±15°C
55±5°C	42±6°C	135 ±5°C	95±15°C
60±5°C	48±10°C	140±5°C	100±15°C
65±5°C	48±10°C	145 ±5°C	100±15°C
70±5°C	50±12°C	150 ±5°C	105±15°C
75±5°C	53±14°C	155 ±5°C	110±15°C
80±5°C	55±15°C	160 ±5°C	115±15°C
85±5°C	60±15°C	165 ±5°C	115±15°C
90±5°C	65±15°C	170 ±5°C	120±15°C
95 ±5°C	70±15°C	175 ±5°C	125±15°C
100 ±5°C	70±15°C	180 ±5°C	130±15°C

Data sheet

Current: Max. 10 A
Voltage: 250 V AC
Contact: NC (Normally Closed)
Waterproof grade: IP65

Manual for KSD9700

Introduction

The KSD9700 thermostat is a bimetal temperature switch designed to protect electrical devices from overheating. It is widely used in household appliances such as motors, transformers, heaters, and other electronic devices. Its compact dimensions, high precision, and reliability make it an ideal choice for various applications.

Operating Principle

The KSD9700 utilizes a bimetallic disc as a temperature sensor. Under normal conditions, the bimetallic disc is relaxed and the contacts are either closed (NC – normally closed) or open (NO – normally open), depending on the specific model. When the ambient temperature reaches the preset value, the bimetallic disc deforms, causing the contacts to open or close, thereby interrupting or restoring the electrical circuit. After cooling, the bimetallic disc returns to its original state and the contacts automatically reset.

Technical Specifications

Rated Voltage: 250V AC
Rated Current: 5A, 10A, or 16A (depending on the model)
Temperature Range: 0°C to 250°C (depending on the variant)
Temperature Tolerance: ±5°C (25°C-140°C)
Contact Type: NC (normally closed) or NO (normally open)
Enclosure Material: metal or ceramic
Service Life: up to 10,000 switching cycles
Contact Resistance: ≤50mΩ
Insulation Resistance: ≥100MΩ
Head Dimensions: 20 x 7.5 x 3.8 mm
Lead Length: 70 mm

Applications

Motor Protection
Transformers
Heaters
Fluorescent Lamps
Battery Chargers
Solenoids
Heating Mats

Installation and Operation

Mounting – The thermostat should be securely attached to the surface of the device to be protected, ensuring good thermal contact.
Connection – Connect the thermostat leads in series with the device's power circuit. Ensure that the connections are secure and well-insulated.
Operating Conditions – Ensure that the thermostat is not exposed to excessive moisture, dust, or corrosive substances.

Safety Instructions

Do not exceed the rated voltage and current values of the thermostat.
Avoid mechanical damage or deformation of the thermostat housing during installation.
Ensure that metal enclosures are properly insulated to prevent electric shock.
The thermostat is not intended for direct contact with liquids or for use in environments with high humidity without proper protection.

Maintenance and Testing

Regular Inspection – Regularly inspect the thermostat for signs of wear, corrosion, or damage.
Functionality Testing – To verify proper operation, expose the thermostat to a controlled temperature and observe if it switches correctly at the set temperature.
Replacement – If the thermostat does not function properly or shows signs of damage, replace it with a new unit with the same specifications.

Conclusion

The KSD9700 thermostat is a reliable and efficient solution for temperature protection of various electrical and electronic devices. Proper installation and maintenance ensure a long service life and trouble-free operation of the protected equipment.

⚠ Safety Warning

Working with electrical current is dangerous! Always disconnect the device from the power supply before installation or repair.
Ensure proper grounding, use insulated tools, and never work with wet hands.
If in doubt, consult a professional!

Note: Before installing and using the KSD9700 thermostat, carefully review the technical specifications and ensure that the chosen model meets the requirements of your application.

Manufacturer

EU Importer: AMPUL SYSTEM s.r.o., Čsl. armády 641/40, 78701 Šumperk, Czech Republic,

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