Factory Price Miniature circuit breaker-FTM8-LE to Cologne Factories


Technical data

Product illustration

Tripping characteristic

Exterior and dimensions

Related video

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Product illustration:

Technical Data

Model FTM8LE Residual current circuit-breaker
Number of poles IP+N,2P,3P,3P+N,4P
Rated frequency: AC 50/60Hz
Rated voltage (V) AC 230/400
 Rated current (A) C D 1,3,6,10,16,20,25,32,40,50,63 1,3,6,10,16,20,25,32,40,50,63
Rated residual operating current(mA) 30
Rated residual non-operating current(mA) 15
Residual current breaking time 30mA≦0.1s  250mA≦0.04s
Rated short-circuit breaking capacity(KA) 6(In≦40A); 4.5(In﹥40A)
Rated residual current breaking capacity(KA) 3
Mechanical & electrical life: 10,000 operations
protection rating Ip20
Installation On DIN rail 35mm according to JB6525
Connection capacity: Cross-section of conductors up to 25mm2
Tightening torque 2 Nm
Ambient temperature (°C) -5°C ~ +40°C
Altitude (m) ≤2000m
Relative air humidity no more than 95%
pollution degree
installation condition Used in place without obvious shock and vibration
 Weight (g) ≦32A ﹥40A ≦32A ﹥40A ≦32A ﹥40A ≦32A ﹥40A ≦32A ﹥40A
216 240 320 343 445 473 468 518 585 63

Exterior and dimensions



 Number  of poles Rated current
<40A ≥40A
Width (mm) Modules Width(mm) Modules
1 /2 45 2.5 54 3
2/2 63 3.5 72 4
3/3 90 5 103.5 5.75
3 /4 99 5.5 117 6.5
4/4 117 6.5 135 7.5

This video shows the disassembly of a Harbor Freight 21 Gallon Compressor Product ID #94667 First, had the pressure sensor go out one night when noone was at the shop. The compressor ran continuously all night, got very hot. Fixed the pressure sensor, got a replacement online, as harbor freight did not carry one in stock (wait was 4-8 weeks) and was $15+10 shipping for a small part. Got mine off eBay for $6 shipped. Had to run a few extra wires, but it simplified the whole system of this compressor.

Of course, removing the head from the cylinder, the gasket (which is currently not available from harbor freight (out of stock)) fell apart (part of the problem of not compressing high enough), as well as the head’s 4 bolts were not torqued down enough (also part of the problem).
Because the gasket was damaged upon removal, I will be using PermaTex High Temp Silicone Gasket as a replacement. I am using the one in the black tube if it helps you narrow it down at the auto parts store.

I’m hoping that it was only the gasket and the loose head bolts causing the pressure problem. As if Harbor Freight does not have the gaskets, how likely are they to have the valves! So first, I will be cleaning all the old gasket off, and using the liquid gasket.
Letting it set and see if it works.

If not, I will remove it again, try flipping the valves over, and resetting another gasket. Last try will be to get new valves then, hopefully from HFT.


This vertical air compressor can be connected to a variety of air hoses with a built-in universal quick-connect coupler. With 2.5 horsepower, this solid air compressor will power your tools or inflate tires in your home shop with energy to spare. Roll this portable air compressor on two 6″ wheels, while two rubber foot stabilizers reduce vibration during use.
Two 6″ wheels and ergonomic handle for portability
Thermal overload protection
2.5 horsepower, single-capacitor motor
2 rubber foot stabilizers to reduce vibration
Precision, machined cast iron sleeve
120 volts, 14 amps
60 Hz
3400 RPM
125 PSI max working pressure
Air delivery: 5.8 SCFM @ 40 PSI, 4.7 SCFM @ 90 PSI
Air outlet: 1/4″ quick-connect coupler
Cord length 6 ft.
Overall dimensions: 23″ L x 18″ W x 40″ H
Shipping Weight: 100.00 lbs.

Please watch: “Tesla Accident-Car Summoned into Semi Trailer— How It Most Likely Happened! Tesla Autopilot Crash”


High Voltage DC Transmission by Prof.S.N.Singh,Department of Electrical Engineering,IIT Kanpur.For more details on NPTEL visit http://nptel.iitm.ac.in

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