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Dimension: 40 * 40 * 3.8 mm Wire specifications: 100 + / - 5 mm long RV lead wire single head 5 mm tin plating Internal resistance value: 2.4 ~ 2.7 Ω (23 + / - 1 ℃, environment temperature 1 KHZ Ac test) The largest temperature difference: delta Tmax (Qc = 0) more than 61 ℃. Working current: Imax = 5 (rated voltage startup) Rated voltage: DC12V (Vmax: 15.5 V) The refrigeration power: Qcmax 45 w The assembly pressure: 85 n/cm2 Working conditions: temperature range and 55 ℃ ~ 83 ℃ (high environmental temperature will directly affect the cooling efficiency) Encapsulation process: standard around 704 silicone rubber seal Packing: bubble box packing, storing conditions - 10 ℃ to 40 ℃ ambient temperature

Dimension: 40 * 40 * 3.8 mm Wire specifications: 100 + / - 5 mm long RV lead wire single head 5 mm tin plating Internal resistance value: 2.4 ~ 2.7 Ω (23 + / - 1 ℃, environment temperature 1 KHZ Ac test) The largest temperature difference: delta Tmax (Qc = 0) more than 61 ℃. Working current: Imax = 5 (rated voltage startup) Rated voltage: DC12V (Vmax: 15.5 V) The refrigeration power: Qcmax 45 w The assembly pressure: 85 n/cm2 Working conditions: temperature range and 55 ℃ ~ 83 ℃ (high environmental temperature will directly affect the cooling efficiency) Encapsulation process: standard around 704 silicone rubber seal Packing: bubble box packing, storing conditions - 10 ℃ to 40 ℃ ambient temperature

Dimension: 40 * 40 * 3.8 mm Wire specifications: 100 + / - 5 mm long RV lead wire single head 5 mm tin plating Internal resistance value: 2.4 ~ 2.7 Ω (23 + / - 1 ℃, environment temperature 1 KHZ Ac test) The largest temperature difference: delta Tmax (Qc = 0) more than 61 ℃. Working current: Imax = 5 (rated voltage startup) Rated voltage: DC12V (Vmax: 15.5 V) The refrigeration power: Qcmax 45 w The assembly pressure: 85 n/cm2 Working conditions: temperature range and 55 ℃ ~ 83 ℃ (high environmental temperature will directly affect the cooling efficiency) Encapsulation process: standard around 704 silicone rubber seal Packing: bubble box packing, storing conditions - 10 ℃ to 40 ℃ ambient temperature

Dimension: 40 * 40 * 3.8 mm Wire specifications: 100 + / - 5 mm long RV lead wire single head 5 mm tin plating Internal resistance value: 2.4 ~ 2.7 Ω (23 + / - 1 ℃, environment temperature 1 KHZ Ac test) The largest temperature difference: delta Tmax (Qc = 0) more than 61 ℃. Working current: Imax = 5 (rated voltage startup) Rated voltage: DC12V (Vmax: 15.5 V) The refrigeration power: Qcmax 45 w The assembly pressure: 85 n/cm2 Working conditions: temperature range and 55 ℃ ~ 83 ℃ (high environmental temperature will directly affect the cooling efficiency) Encapsulation process: standard around 704 silicone rubber seal Packing: bubble box packing, storing conditions - 10 ℃ to 40 ℃ ambient temperature

, module USES the authentic quality relay, normally open interface maximum load: ac 250 v / 10 a, dc 30 v / 10 a. 2, the patch optical coupling isolation, driving ability is strong, stable performance; Trigger current 5 ma; 3, modules, working voltage is 5 v 4, module can be set through the jumper wire high level or low level trigger; 5, fault-tolerant design, even if the control line is broken, relay will not move; 6, power indicator light (green), relay status indicator light (red) 7, human interface design, all interface can be directly by terminal connection leads, is very convenient 8, module size: 50 mm * 26 mm * 18.5 mm (length * width * height) 9, is equipped with four fixed bolt hole, hole is 3.1 mm, spacing of 44.5 mm * 20.5 mm The second module interface: 1, DC + : positive (voltage according to the requirements of relay, there are 5 v. 9 v. 12 v and 24 v) 2, DC - : connect power cathode 3, IN: can be high or low level control relay and off Relay output: 1 and NO: relay norm

8 road relay output module, relay contact output 250 v a maximum 10 a. Input IN1 and IN2, IN3, IN4, IN5, IN6, IN7, IN8 signal low level effectively. VCC, GND power input end, can relay JD - VCC power relay power input end alone. USES: 1, support all single-chip microcomputer control. 2, industrial fields; 3, PLC control; 4, household intelligent control; 【 characteristics 】 Using large current relay, AC250V 10 a DC30V 10 a The contact part of the independent wiring, safe and reliable Standard interface, can be extended in various development board A fixed screw holes, convenient installation Suitable for 51 AVR/AVR on various platforms such as/ARM has eight often opened eight normally closed contacts; 8, blue KF301 terminal line more convenient. 9, module size: 138 m * 56 mm * 18.5 mm (length * width * height), net weight: 120 g 10, is equipped with four fixed bolt hole, hole is 3.1 mm, distance 131 mm * 49.5 mm 11, finished product by 100% function test and stability test Th

Dimension: 40 * 40 * 3.8 mm Wire specifications: 100 + / - 5 mm long RV lead wire single head 5 mm tin plating Internal resistance value: 2.4 ~ 2.7 Ω (23 + / - 1 ℃, environment temperature 1 KHZ Ac test) The largest temperature difference: delta Tmax (Qc = 0) more than 61 ℃. Working current: Imax = 5 (rated voltage startup) Rated voltage: DC12V (Vmax: 15.5 V) The refrigeration power: Qcmax 45 w The assembly pressure: 85 n/cm2 Working conditions: temperature range and 55 ℃ ~ 83 ℃ (high environmental temperature will directly affect the cooling efficiency) Encapsulation process: standard around 704 silicone rubber seal Packing: bubble box packing, storing conditions - 10 ℃ to 40 ℃ ambient temperature

Dimension: 40 * 40 * 3.8 mm Wire specifications: 100 + / - 5 mm long RV lead wire single head 5 mm tin plating Internal resistance value: 2.4 ~ 2.7 Ω (23 + / - 1 ℃, environment temperature 1 KHZ Ac test) The largest temperature difference: delta Tmax (Qc = 0) more than 61 ℃. Working current: Imax = 5 (rated voltage startup) Rated voltage: DC12V (Vmax: 15.5 V) The refrigeration power: Qcmax 45 w The assembly pressure: 85 n/cm2 Working conditions: temperature range and 55 ℃ ~ 83 ℃ (high environmental temperature will directly affect the cooling efficiency) Encapsulation process: standard around 704 silicone rubber seal Packing: bubble box packing, storing conditions - 10 ℃ to 40 ℃ ambient temperature

4 road relay output module, relay contact output maximum 250 a 10 a. Input IN1 and IN2, IN3, IN4 signal low level effectively. VCC, GND power input end, can relay JD - VCC power relay power input end alone.

This product can test 5 v, 9 v adapter is good or bad, better or worse, according to the current test cable test maximum current 3 a. According to current test mobile phone or tablet end is good or bad. Mobile phone is not charging or charging slow according to the data accurate judgment, to save time and effort.

Used for mould grinding, grinding inner hole, seiko fine to do quality is reliable. Apply to electric grinding machine, engraving machine, electric machinery supporting assembly. Mainly used for glass, jade carving, repair, abrasive and hard objects. 30 PC diamond grinding head, grinding, grinding rods, etc. Mainly used in electric, pneumatic tools.

Mercury is better, the conductivity of the mercury switch contact resistance between the electrodes is less than 100 m Ω commonly. (4) mercury switch allows current depends on the electrode materials, tungsten electrode for the maximum allowable current 10. A, the general wire normally maximum allowable current 1 a. (5) due to gravity to determine mercury switch on and off by mercury, so it can work reliably for a long time.

Dimension: 40 * 40 * 3.8 mm Wire specifications: 100 + / - 5 mm long RV lead wire single head 5 mm tin plating Internal resistance value: 2.4 ~ 2.7 Ω (23 + / - 1 ℃, environment temperature 1 KHZ Ac test) The largest temperature difference: delta Tmax (Qc = 0) more than 61 ℃. Working current: Imax = 5 (rated voltage startup) Rated voltage: DC12V (Vmax: 15.5 V) The refrigeration power: Qcmax 45 w The assembly pressure: 85 n/cm2 Working conditions: temperature range and 55 ℃ ~ 83 ℃ (high environmental temperature will directly affect the cooling efficiency) Encapsulation process: standard around 704 silicone rubber seal Packing: bubble box packing, storing conditions - 10 ℃ to 40 ℃ ambient temperature

Usage: used for mobile phones, computers, household appliances, such as repair, for cleaning purposes Specification: about 6 cm wide, 11 cm high. Features: good toughness, springback is fast, is mobile phones, computers, motherboards, electronic accessories, keyboard clean dust removal of choice, can be washed.