Dongguan Heng Hao Electric Co., Ltd
Bimetallic thermostat, thermal protector, thermal switch manufacturer
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Reliable KSD302 Thermostat Gas Hot Water Heater Thermostat
Product Description
KSD302 snap-action big current gas water heater thermostat is a kind of hermetically sealed bimetal big current thermostat(7/8" disc). It is of single-pole single-throw structure and works under resistive load. Owing to high loading capacity, the product KSD302 series gas water heater thermostat is appropriately used in high-duty electric appliances to provide overheating protection.
KSD302 large current thermostat’s specification
| Use | Temperature control/Overheat protection |
| Appliance | Heater(heater thermostat) |
| Reset type | Automatic |
| Base material | resist heat resin base |
| Amperage | 25A |
| Max. Operating Temperature | 125℃ |
| Differential | Refer to the regulation |
| Min. Diff | 11℃ |
| Tolerance | Refer to the regulation |
| Protection class | IP00 |
| Contact material | Silver/Gold |
| Dielectric Strength | Parts between electriferous components and non-electriferous ones can bear 2000V (3750V for Reinforced insulation type) 50Hz AC current, which is nearly sine wave, for one minute as bearing test. Resulted no breakdown, no flashover. |
| Insulation Resistance | With a DC 500V megger, borne DC 500V, the tested value is over 10MW. |
| Resistance Between Terminals | Below 50mW |
| Temperature characteristics: | Normal type: OFF temperature higher than ON temperature.(Normal close) One-shot type: The thermostat switches on at room temperature and it won't be able to reset after switching off. |
| Maximum ambient temperature | 185℃ (Long period) |
| Diameter of bimetal disc | 7/8″ |
| Approvals | ULCQC/TUV |
| Terminal type | Customized (Refer to our specification) |
| Cover/Bracket | Customized (Refer to our specification) |
Application of KSD302 large current temperature protector
(1) Electric welding machine, electric
(2) Electric equipment,
(3) Electric products,
(4) Steam heater
(5) High power machinery equipment
(6) Demand Water Heaters
Attention of KSD302 large current thermostat
(1) By using the contact temperature type when installed, should make metal cap surface adhere is accused of mounting surface of the appliance.
(2) When installation shall not cover surface pressure deformation, lest affect performance.
(3) To prevent leakage, when using, can't let the fluid infiltration within the thermostat, lest affect electric reliability.
(4) This product for bipolar type wiring way, when using, according to mark symbol, correct connection.
The product should be a headscarf in relative humidity is less than 90%, the environment temperature below 40 ℃ ventilation, clean, dry, no corrosive gas storage in the warehouse.
