2 Years\\\\\\\\\\\\\\\’ Warranty for Miniature circuit breaker-FTB2LE for United Arab Emirates Manufacturer


Technical data

Product illustration

Tripping characteristic

Exterior and dimensions

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Product illustration:


 Technical Data

Model FTB2LE Miniature 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


6, 10, 16, 20, 25, 32, 40, 50, 63


Rated residual operating current(mA) AC A 30


Rated residual non-operating current(mA) AC




Residual current breaking time 30mA≦0.1s  250mA≦0.04s
Max. breaking time(s) 0.1
Rated short-circuit breaking capacity(KA) 6.5
Rated residual current breaking capacity(KA) 4.5
Mechanical & electrical life: 20,000 operations
Protection rating IP20
Installation On DIN rail 35mm according to JB6525
Connection capacity: Cross-section of conductors up to 25mm², Cross-section of busbar from 0.8-2mm²,reversibility of connections
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) 340 420 530 630 710


Exterior and dimensions


Number of poles Width(mm) Modules
1 / 2 54 3
2 / 2 72 4
3 / 3 100 5.5
3 / 4 112.5 6.25
4 / 4 130.5 7.25




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What are Plugs & Jacks and what are they used for (P-38 TS TRS and EP Mono Stereo?

Plugs & Jacks are usually used for the transmission of line-levels (0.775 volts). Their major applications are the connections of instruments like guitars, keyboards, headphones, …

Plugs & Jacks are used for Microphone-signals if you handle them with a patch-panel. Optionally they are also used for low power speaker applications.

There are two main groups of Plugs & Jacks:

2-pole connectors (TIP & SLEEVE)
3-pole connectors (TIP, RING & SLEEVE)

In the nonprofessional HiFi-area it’s common to use the 3-pole-connector for stereo signals (headphones) and the 2-pole-connector for mono-signals.

In the professional broadcast and audio industry the 2-pole-connector is used in combination with unbalanced cables for short and interference-insensitive transmittals (guitar-cable).

For more sensitive applications like digital transmissions or longer lines it is the custom to use 3-pole-connectors together with balanced cables (to avoid EMI – electromagnetic interference), but it’s still a mono-signal (balanced-mono-signal).

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This video is a complete guide, however if you have any questions feel free to comment or send us an email on info@mdrelectronics.com or visit our website www.mdrelectronics.com

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