The Siemens circuit breaker, model 3LD25140TK53, is a robust component designed for high-performance electrical systems. It features a red and yellow 3-pin configuration, supports 35 mm² wire, and is rated for 63 A and 690 V AC. Typical applications include industrial and commercial power distribution for safety and equipment protection.
Type |
Circuit breaker |
Colour control element |
Red |
Cross section |
35mm² |
Degree of protection (IP), front side |
IP65 |
Degree of protection (NEMA) |
Other |
Depth |
468.5mm |
Device construction |
Built-in device fixed built-in technique |
Dim |
(W x H x D) 90 x 106 x 468.5 mm |
Height |
106mm |
Interlockable |
TRUE |
Max. rated operation voltage Ue AC |
690V |
Misc Attribute |
Emergency stop switch |
Motor drive integrated |
FALSE |
Motor drive optional |
FALSE |
Nominal current |
63A |
Nominal current - rounded value |
63A |
Nominal voltage |
690V AC |
Number of auxiliary contacts as change-over contact |
0 |
Number of auxiliary contacts as normally closed contact |
0 |
Number of auxiliary contacts as normally open contact |
0 |
Number of pins |
3 |
Number of Poles |
3 |
Number of switches |
1 |
Operating voltage |
690V AC |
Rated operation power at AC-23, 400 V |
22kW |
Rated operation power at AC-3, 400 V |
19kW |
Rated permanent current at AC-21, 400 V |
63A |
Rated permanent current at AC-23, 400 V |
43 |
Rated permanent current Iu |
63A |
Rated short-time withstand current lcw |
1.26kA |
Suitable for distribution board installation |
TRUE |
Suitable for floor mounting |
TRUE |
Suitable for front mounting 4-hole |
TRUE |
Suitable for front mounting centre |
FALSE |
Suitable for intermediate mounting |
TRUE |
Type of control element |
Short thumb-grip |
Type of electrical connection of main circuit |
Frame clamp |
Version as emergency stop installation |
TRUE |
Version as main switch |
TRUE |
Version as maintenance-/service switch |
TRUE |
Version as reversing switch |
FALSE |
Version as safety switch |
TRUE |
Voltage release optional |
FALSE |
Width |
90mm |
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