N 513/21 - Switch actuator submodule, 3 x AC 230/400 V, 20 AX, C load, load-check

• The switching actuator sub-module N 513/21 is a DIN-rail mounted device in N-system dimensions.
• It can switch three groups of electrical consumers, independent of each other, via its three relay contact outputs, each with load current measurement and monitoring (load-check). 
• The sub-module cannot be operated stand-alone or be directly connected to the bus.
• But it can be connected via a special 6-pole bridging connector either with a switching actuator main module N 513/11, N 512/11 or N 562/11 or with another sub-module N 513/21, N 512/21 or N 562/21, which is already connected to a main module (see figure 1). 
• The sub-module electronics are supplied by bus voltage via the 6-pole bridging con-nector.
• In total up to 4 switching actuator submodules can be connected in series to a switching actuator main module, so that a main module, if need be, can be extended simply from a 3-fold to a 6-, 9-, 12- or 15-fold switching actuator and thus be matched flexibly to the number of loads to be switched.
• It is indicated by flashing of the corresponding green LED A to E on the top of the main module if more submodules are set than are actually connected or if the set submodule type does not correspond with the submodule type actually connected or if a submodule is detected as faulty.

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