SIEMENS LATERAL AUXILIARY SWIRTCH 1NO+1NC

R351.93

auxiliary switch, lateral, 1 NO + 1 NC, on the left: 51/52, 63/64, on the right: 31/32, 43/44, current path: 1 NC, 1 NO, screw terminal, for contactors 3RT2 and contactor relays 3RH2

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Category: SKU: 3RH2921-1DA11 Brand:

Description

General technical data
insulation voltage with degree of pollution 3 at AC rated value 690 V
surge voltage resistance rated value 6 kV
protection class IP on the front IP20
mechanical service life (operating cycles) typical 10 000 000
electrical endurance (operating cycles) at AC-15 at 230 V typical 200 000
Substance Prohibitance (Date) 10/01/2009
Weight 0.039 kg
number of NC contacts for auxiliary contacts
● instantaneous contact 1
● lagging switching 0
number of NO contacts for auxiliary contacts
● instantaneous contact 1
● leading contact 0
number of CO contacts of auxiliary contacts instantaneous contact 0
operational current at AC-15 at 690 V rated value 1 A
operational current of auxiliary contacts at AC-12
● at 24 V 10 A
● at 230 V 10 A
operational current of auxiliary contacts at AC-14
● at 125 V 6 A
● at 250 V 6 A
operational current of auxiliary contacts at AC-12 maximum 10 A
operational current of auxiliary contacts at AC-15
● at 24 V 6 A
● at 230 V 6 A
● at 400 V 3 A
operational current of auxiliary contacts at DC-12
● at 24 V 10 A
● at 110 V 3 A
● at 220 V 1 A
operational current with 2 current paths in series at DC-12
● at 24 V rated value 10 A
● at 60 V rated value 10 A
● at 110 V rated value 4 A
● at 220 V rated value 2 A
● at 440 V rated value 1.3 A
● at 600 V rated value 0.65 A
operational current with 3 current paths in series at DC-12
● at 24 V rated value 10 A
● at 60 V rated value 10 A
● at 110 V rated value 10 A
● at 220 V rated value 3.6 A
● at 440 V rated value 2.5 A

● at 600 V rated value 1.8 A
operational current with 2 current paths in series at DC-13
● at 24 V rated value 10 A
● at 60 V rated value 3.5 A
● at 110 V rated value 1.3 A
● at 220 V rated value 0.9 A
● at 440 V rated value 0.2 A
● at 600 V rated value 0.1 A
operational current with 3 current paths in series at DC-13
● at 24 V rated value 10 A
● at 60 V rated value 4.7 A
● at 110 V rated value 3 A
● at 220 V rated value 1.2 A
● at 440 V rated value 0.5 A
● at 600 V rated value 0.26 A
operational current of auxiliary contacts at DC-13
● at 24 V 6 A
● at 48 V 2 A
● at 60 V 2 A
● at 110 V 1 A
● at 125 V 0.9 A
● at 220 V 0.3 A
● at 250 V 0.3 A
design of the miniature circuit breaker for short-circuit protection of the
auxiliary circuit up to 230 V

C characteristic: 10 A; 0.4 kA

contact reliability of auxiliary contacts 1 faulty switching per 100 million (17 V, 1 mA)

Installation/ mounting/ dimensions
fastening method snap-on mounting
height 57.4 mm
width 10 mm
depth 66 mm