Cadet t410b, thermostats bimetal, line voltage, heaters. The infinite heat switch is a unique control designed to modulate power to the resistive load without feedback, open loop style. Please read our safety information before attempting any testing or repairs. Thermostats bimetal thermostats, switch thermostats. When the disc snaps, it either completes or interrupts a circuit. The little device that makes this possible is the bimetal, or defrost, thermostat. The different expansions force the flat strip to bend one way if heated, and in the opposite direction if cooled below its initial. Insert element tube through bracket, straighten controller and fasten by. Ts01nw serial thermal switch is same as ts01 except no wiring attached. Thermostat switches bimetal, fluid filled, or digital senasys. The bimetal switch is selfresetting and is also used to prevent motor windings from overheating. The bimetal element directly drives pointer, eliminating gears and linkage. The highgrade engineering plastics with high tracking index like nylon, celcon and glass filled polyamide for the components ensures greater mechanical strength.
Bimetal switch a protective device to the appliance. The bimetal disc carries no current, and this eliminates the possibility of arcing. Advanced manufacturing processes for cam switch components under. Before testing the bimetal assembly, unplug the dishwasher or shut off the power at the fuse box or breaker panel to avoid an electrical shock hazard. A wide variety of bimetal switch options are available to you, there are 1,444 suppliers who sells bimetal switch on, mainly located in asia. Get bimetal switch at best price with product specifications. A normally open noopen in the normal state switch closes a circuit on reaching the switching temperature. It is a probless design for applications with space constraints, but we also offer the probe. Mar 09, 2016 bimetal switch is such a thermal device that automatically resets itself when it snaps back to curved in once an increased temperature returns to normal. Reset follows automatically after a considerable drop in temperature contact configuration.
It is specialy designed for pcb mounting or other applications that have very small space for thermal switch mounting. This change of curvature, or bending, in response to temperature change, flex ivity, is a fundamental property of all thermostatic bimetals. Bimetal strips are used in miniature circuit breakers to protect circuits from excess current. Thermostatic bimetals engineered materials solutions. When permanently bonded together, these layers cause the material to change its curvature when subjected to a change in temperature. We use a flat plate bimetal for the h series to achieve. Ashcroft 1259 process pressure gauge drawing index. We use a flat plate bimetal for the h series to achieve contact configuration. Click add to cart to buy cadet t410b t410bw stat bimetal dp, 22a, wht box. Series bt bimetal thermometer is accurate and reliable even. The ccd101n is an spdt thermostat with the same features as the ccd100n, except that it has an additional pole which can be used to operate external alarm devices or as a limit controller in conjunction with other ccd.
Available in, switch action with nominal differentials from 30f to 80f 16. This type of control is available only with electrical contacts that open as the. The contacts open when the surface or ambient temperatures increase to the operating snap point of the calibrated disc. Use bracket as a template to mark the location of mounting holes in plenum.
A bimetal temperature switch suitable for industrial control applications. When the bimetal disc is exposed to its predetermined calibration temperature, it snaps and either opens or closes a set of contacts. A bimetal switch changes its switching status relative to the temperature. These corrosion resistant units are constructed from stainless steel and are hermetically sealed to prevent crystal fogging. When permanently bond ed together, these layers cause the material to change its curvature when subjected to a change in temperature.
Its fields of application include, for instance, temperature monitoring, control and signaling in. The switch opens or closes its contact upon rising temperature and resets automatically to the original switching state when the temperature has dropped. Thermostatic bimetal is a composite material, usually in the form of a strip or sheet, made up of two or more metallic layers having different coefficients of expansion. The case is laser welded to form a hermetically sealed steel housing, with a glasstometal seal at the terminal junction. This compact bimetallic temperature switch will meet most industrial applications. Manuals 06106 armiii 101832 control and installation manual 06128 countdown timer install instructions 06152 manual actuator manual 06344 series solenoid dioderesistor 102360 06472 installation instructions, suppression disconnect switch 06552 impulse releasing module irm 102748 06699 installation instructions, 101638 manual release switch 06700 installation instructions. Bimetal disc thermostats are thermally actuated switches. The digital switch can be used as a standalone board mounted to the control panel, or as a completed enclosure as shown. Atlas specializes in bonding aluminum, stainless steel, titanium, and copper. The robust round metal enclosure accommodates a resilient preloading disk, a bimetal disk and a silver contact. Bimetals form the basis of the wika temperature switches model tfs35. Instead of being a mix of two or more metals, like alloys, bimetallic objects are made of layers of different metals.
Ksd301 series snapaction bimetal thermostat is a kind of miniature hermetically sealed bimetal thermostat 12 disc. Thermal switch mini size bimetal thermal switch manufacture in china, yangzhou wuyue electric co. It is of singlepole singlethrow structure and works under resistive load. For help with t410bw stat bimetal dp, 22a, wht box from cadet click add to cart to buy cadet t410b t410bw stat bimetal dp, 22a, wht box. Bimetallic temperature controllers are used in the electrical industry for automatic temperature control. Bimetal temperature switch for switching voltages up to 48 v. Senasys designs and manufactures a wide range of thermostat switches including, bimetal snap action, fluid filled capillary style, and a digital style thermostat. Bimetal temperature switches concord, ontario, canada. Small size, no wire attached and easy for mounting or. Applicable to pcb, transformer, coil and medical equipment. R53 series bimetal cutouts a versatile and inexpensive solution for thermal control in a wide variety of applications related articles sensor data fusion more than just sensor integration sensor fusion is more than the sum of the individual parts. For a disktype bimetal thermostat, 230c is considered to be upper limit because the disk cannot withstand the high temperature stress. We routinely bond and manufacture custom, helium leaktested bimetallic assemblies continued.
Thermal fuse, bimetal switch overheating, auto reset. Stelpro design inc swt1f bimetal sp thermostat white 22a bimetal thermostat, vertical mount, 1pole, 22a, 120277v temperature range. We do, however, have experience in joining many other metals as well. Designed by senasys, the digital switch is a cost effective, flexible switching solution that allows for tight differentials and tolerances. The 2455rc series consists of a temperaturesensitive bimetal disc, electrically isolated from the switch, which actuates the normally closed contacts. This switch can open or close a circuit and in so doing start or stop a process e. The control contains a heat sensitive bimetal switch which regulates the running cycles. The top countries of suppliers are china, taiwan, china, and india, from which the percentage of bimetal switch supply is 98%, 1%, and 1% respectively. It is called a bimetal thermostat because at its heart is a strip made of two metals with different expansion rates, which when heated begins to curve. Our s2taf is a bimetal temperature switch with brass body and an internal sensing cavity. The series bt bimetal thermometersoffer accurate, reliable service even in the toughest environments. The top countries of suppliers are china, taiwan, china, and india, from which the percentage of.
Precision and high reliability thermostats 009048 issue 3. We would be happy to discuss the pros and cons of each method for your application. Due to the small size of this unit and the inherently low mass of the bimetal snapaction disc, response of this thermostat to temperature changes is. Bimetal means two different metals joined together. The entire switch is enclosed in a phenolic housing. Thermal switchthermal switchbimetal thermal switchpcb. Instead of being a mix of two or more metals, like alloys, bimetallic objects are made of layers of different metals bimetallic strips move when they are heated up.
We routinely bond and manufacture custom, helium leaktested bimetallic assemblies. The top countries of suppliers are china, india, and malaysia, from which the percentage of bimetal limit switch supply is 93%, 2%, and 1% respectively. Available in, switch action with nominal differentials from. Mounting options 12 auto reset spst break on rise or fall 8. The bimetal temperature switch is universally applicable. S6taf s8taf series bimetal temperature switch the s6taf and s8taf is designed with high ingress protection, enabling it to be suitable for a variety of harsh environmental conditions. A coil of wire is used to heat a bimetal strip, which bends and operates a linkage that unlatches a springoperated contact. Rotating the dial clockwise increases the modulatedcycle power delivered to the load. Compared to other temperature controllers with relatively low hysteresis, the temperature difference between the temperature switch opening and closing is significantly higher so as to a ensure a more obvious status indication, i. It is most suitable for where areas is a tight constraint. This double snap action makes these switches virtually immune to shock and vibration. To service the detergent cup and bimetal switch, it is necessary to access the interior of the door. Special features of button type thermal switch ts01nw.
Series bt bimetal thermometer is accurate and reliable. This interrupts the circuit and can be reset when the bimetal strip has cooled down. Our bimetal snap controls and limits provide temperature control, overheating protection, and unique configurations for many applications covering a wide array of industries. Bimetal switch china temperature control switch miniature temperature control switch adjustable thermostat 17am ksd9700 ksd301 tb02 thermostat thermal control thermal protector thermal switch mini temperature control switch temperature switches thermal protection switch overload protector thermal cutoff switch st22. Thermostatic bimetal designers guide engineered materials. Ccd100 series, nonindicating temperature thermostat for. If the temperature is sufficient, the bimetal bends, thereby actuating a snapaction switch. Stelpro design inc swt1f, thermostats bimetal, line. Also digital switching was obtained for transducer used for thermostatic control and overtemperature protection. Thermostatic bimetals comprise one of the most widely applied families of clad metals. Areas of application include temperature monitoring, control, and signaling in cooling and heating circuits as well as compressors and engines. The s2taf is a bimetal temperature switch featuring an internal sensing cavity that allows for sensing of the fluid temperature without the need of a probe. The designer or manufacturer of the appliance prefer to use a bimetal thermal switch in their components because it is a proven solution of protecting the devices from possible risks or. The reset switching temperature is typically 515 k below the switching temperature.
Bimetal simple english wikipedia, the free encyclopedia. Ad173 spdt spst underclamp mount surface temperature switch cpis snapstat line of bimetallic thermal switches have a bimetal snap disc that actuates a miniature microswitch. Wr02x125 switch bimetal asm part number wr02x125 replaces 1476396, ah2322681, ea2322681, ps2322681, wr02x12559. This breaks or completes the electrical circuit that has been applied to the thermostat. The different expansions force the flat strip to bend one way if heated, and in the opposite. The s3taf temperature switch is ideal for high amperage rating with high ingress. Snap disc thermostats have many practical applications. The strip consists of two strips of different metals which expand at different rates as they are heated, usually steel and copper, or in some cases steel and brass. Bimetal switch is such a thermal device that automatically resets itself when it snaps back to curved in once an increased temperature returns to normal. How thermostatic bimetal works thermostatic bimetal is a composite material, usually in the form of a strip or sheet, made up of two or more metallic layers having different coefficients of expansion.
The compact switch system is covered by means of a plate which also carries a silver contact and is isolated from the enclosure by means of an isolating washer. Bimetal temperature switch for industrial applications. The resilient preloading disk ensures excellent performance. Click add to cart to buy stelpro design inc swt1f bimetal sp thermostat white 22a. Bimetal thermal switch 0f 650f cpi surface temp switch. The s6taf features a wide differential and the s8taf features a low differential for different application requirements. This property is used to make a switch which opens with a temperature change. The low profile and compact design allows it to be used in most applications that require miniaturization. A wide variety of bimetal limit switch options are available to you, there are 123 suppliers who sells bimetal limit switch on, mainly located in asia.
The ccd100n is normally used as an acrosstheline switch, but may be used to operate contactor coils and other similar devices. Here you can find data sheets of our temperature switches for download. Tbk10 bimetal thermostat bimetal thermostats frico. Snap disc, or snap switch thermostats are bimetal mechanical thermostats that function via the thermal expansion and contraction of a bimetal disc that snaps from a convex to a concave shape at a set temperature. Temperature sensing is carried out by a bimetal disc, which snaps over when the nominal. Commercial thermostats ps 0090532en third draft 21sep09. A thermally sensitive bimetal snapelement with single contacts either opens or closes an electrical circuit by switching at a preset response temperature. They are often used in electric kettles as a temperature switch. The 3150 series is a singlepole, singlethrow switch activated by a snapaction bimetal disc. Its unique design allows for sensing of the fluid temperature without the need of a probe. The bimetal temperature switch can be universally employed. Mechanical bimetal thermostats with acceleration resistance for room heatingcooling. There are three basic types of thermostat switch actions. Tfs5, bimetal temperature switch, for switching voltages up to 250 v, tv 35.475 1128 1250 1260 964 922 327 96 1444 109 186 346 748 317 1287 226 1064 1017 714 226 526 1542 70 251 967 499 475 54 1194 1438 779 274 88 779 1185 175 1038