Type: 2-5200


Single pole thermal circuit breaker with push-to-reset, tease-free, trip-free, snap action mechanism (R-type TO CBE to EN 60934; M-type when fitted with optional manual release feature). Designed for plug-in mounting with E-T-A sockets 10 and 16.

Voltage rating
  • DC 28 V
  • AC 250 V version -KF
  • UL/CSA: DC 50 V
Current ratings from 0.05 A until 16 A  (up to 25 A to special order)
Number of poles single pole
Mounting method socket
rail mounting
Terminal design blade terminals
Actuation manual release
push button
Auxiliary contacts without auxiliary contacts
Water splash protection without water splash protection
Illumination without illumination
Typical life 5,000 operations at 2 x IN, inductive
Interrupting capacity Icn 0.05...2.5 A: 8 x IN

3...5 A: 20 x IN

6...16 (25) A: 400 A
Certificates CSA, UL, VDE


Order number Description
10R-P10/-K10/-A10 mounting sockets
X 200 409 01 adapter for socket 16 for track mounting
X 200 800 01 terminal for mounting rack for sockets 10...
X 210 588 01-04 Connector bus links -P10
01 = 1.5 mm2 brown
02 = 2.5 mm2 black
03 = 2.5 mm2 red
04 = 2.5 mm2 blue
X 210 589 01/02 Connector bus links -K10
01 = 2.5 mm2 black
02 = 1.5 mm2 brown
Y 301 166 01/02 busbar
01 = 4-way
02 = 2-way
Y 301 477 01 blanking plug


  • Commercial Vehicles
  • Lighting technology
  • Telecom & Datacom


Datasheet & Explanations


Fuse vs. circuit breaker: How to choose the right device for your application

Is a fuse or circuit breaker best for your design? Here are some pointers to help you decide. Three main factors go into choosing between circuit breakers and fuses: Convenience for the user, cost, and degree of protection. This white paper will give you guidance on what circuit protection device is best for your equipment.

Read White Paper

12 Most Common Mistakes When Specifying Circuit Protection for Equipment

It's only a circuit breaker. Yet there is enough complexity and confusion when it comes to specifying circuit protection that many engineers are designing equipment with too little or too much protection. Under protected circuits leave equipment vulnerable to damaging electrical surges. Over protected circuits add cost and can lead to nuisance tripping. Like Goldilocks and the three bears, the goal is to specify circuit protection that is "just right".

Read White Paper

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