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Circuit breaker size S2 for motor protection class 20 A-release
14...20 A N-release 260 A screw terminal Standard switching
capacity with transverse auxiliary switch 1 NO+1 NC
product brand name SIRIUS
product designation Circuit breaker
design of the product For motor protection
product type designation 3RV2
General technical data
size of the circuit-breaker S2
size of contactor can be combined company-specific S2
product extension
auxiliary switch Yes
power loss W for rated value of the current
at AC in hot operating state 14.5?W
at AC in hot operating state per pole 4.8?W
insulation voltage with degree of pollution 3 at AC
rated value
690?V
surge voltage resistance rated value 6?kV
maximum permissible voltage for safe isolation
in networks with grounded star point between
main and auxiliary circuit
400?V
Main circuit
number of poles for main current circuit 3
adjustable pick-up value current of the currentdependent overload release
14?...?20?A
operating voltage
rated value 690?V
at AC-3 rated value maximum 690?V
operating frequency rated value 50?...?60?Hz
operating current rated value 20?A
operating current
at AC-3
at 400 V rated value 20?A
operating power
at AC-3
at 230 V rated value 5?500?W
at 400 V rated value 7?500?W
at 500 V rated value 11?000?W
at 690 V rated value 15?000?W
operating frequency
at AC-3 maximum 15?1/h
Auxiliary circuit
design of the auxiliary switch transverse
number of NC contacts for auxiliary contacts 1
number of NO contacts for auxiliary contacts 1
operating current of auxiliary contacts at AC-15
at 24 V 2?A
at 230 V 0.5?A
operating current of auxiliary contacts at DC-13
at 24 V 1?A
at 60 V 0.15?A
at 110 V 0?A
at 125 V 0?A
at 220 V 0?A
Protective and monitoring functions
product function
ground fault detection No
phase failure detection Yes
trip class Class 20
design of the overload release thermal
operational short-circuit current breaking capacity
(Ics) at AC
at 240 V rated value 100?kA
at 400 V rated value 30?kA
at 500 V rated value 6?kA
at 690 V rated value 3?kA
maximum short-circuit current breaking capacity (Icu)
at AC at 240 V rated value 100?kA
at AC at 400 V rated value 65?kA
at AC at 500 V rated value 12?kA
at AC at 690 V rated value 5?kA
response value current
of instantaneous short-circuit trip unit 260?A
UL/CSA ratings
full-load current (FLA) for three-phase AC motor
at 480 V rated value 20?A
at 600 V rated value 20?A
yielded mechanical performance hp
for single-phase AC motor
at 110/120 V rated value 1.5?hp
at 230 V rated value 3?hp
for three-phase AC motor
at 200/208 V rated value 7.5?hp
at 220/230 V rated value 7.5?hp
at 460/480 V rated value 15?hp
at 575/600 V rated value 20?hp
contact rating of auxiliary contacts according to UL C300 / R300
Short-circuit protection
product function short circuit protection Yes
design of the short-circuit trip magnetic
design of the fuse link
for short-circuit protection of the auxiliary switch
required
fuse gG: 10 A, miniature circuit breaker C 6 A (short-circuit current
Ik < 400 A)
design of the fuse link for IT network for short-circuit
protection of the main circuit
at 240 V none required
at 400 V 100
at 500 V 80
at 690 V 63
Installation/ mounting/ dimensions
mounting position any
mounting type screw and snap-on mounting onto 35 mm standard mounting rail
according to DIN EN 60715
height 140?mm
width 55?mm
depth 149?mm