Download Circuit-Breakers/Non-Automatic Circuit
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Air Circuit-Breakers (ACBs) Introduction ■ Overview Size I II III Circuit-breakers/non-automatic circuit-breakers up to 6300 A, SENTRON WL Rated current In A 630, 800, 1000, 1250, 1600 3-pole, 4-pole 3-pole, 4-pole 3-pole, 4-pole Rated operating voltage Ue AC V DC V up to 690 up to 690/1000 up to 690/1000 Rated ultimate short-circuit breaking capacity at AC 415 V kA 50/65 55/80/100 100 Endurance Operat- 20000 ing cycles 15000 10000 Number of poles 3 0 ° 3 0 ° Service position N S E 0 _ 0 0 0 6 1 Degree of protection with cover without cover B T 3 0 ° 3 0 ° 3 0 ° 3 0 ° N S E 0 _ 0 0 0 6 1 N S E 0 _ 0 0 0 6 2 IP55 IP20 Dimensions 3-/4-pole H 3 0 ° 3 0 ° 3 0 ° 3 0 ° N S E 0 _ 0 0 0 6 1 N S E 0 _ 0 0 0 6 2 IP55 IP20 3 0 ° 3 0 ° N S E 0 _ 0 0 0 6 2 IP55 IP20 W mm Fixed-mounted 320/410 Withdrawable 320/410 Fixed-mounted 460/590 Withdrawable 460/590 Fixed-mounted 704/914 Withdrawable 704/914 H mm 434 465.5 434 465.5 434 466.5 D mm 291 471 291 471 291 471 NSS0_00535 Electronic overcurrent trip units of SENTRON WL circuit-breakers E T U 7 6 B R a t in g P lu g Q U E R Y C L E A R T E S T Q U E R Y R a t in g P lu g R a t in g P lu g C L E A R = 1 2 R a t in g P lu g N S E 0 _ 0 1 1 0 7 T E S T - 6 7 # # * - 6 7 " # * % * G F M A T 4 5 B g A L A R M T E S T Q U E R Y C L E A R O F F : G F M T E S T Q U E R Y c s c w A T 5 5 B -7 6 B C L E A R R a t in g P lu g G F M T E S T Q U E R Y A T 5 5 B -7 6 B C L E A R N S E 0 _ 0 1 1 1 1 - 6 7 N S E 0 _ 0 1 1 1 0 # * N S E 0 _ 0 1 1 0 9 - 6 7 N S E 0 _ 0 1 1 0 8 - 6 7 # * N S E 0 _ 0 1 1 0 6 5 800, 1000, 1250, 1600, 2000, 2500, 4000, 5000, 6300 3200 Type ETU15B ETU25B ETU27B ETU45B ETU55B ETU76B Overload protection ✓ ✓ ✓ ✓ ✓ ✓ Short-time delayed short-circuit protection – ✓ ✓ ✓ ✓ ✓ Instantaneous short-circuit protection ✓ ✓ ✓ ✓ ✓ ✓ Neutral conductor protection – – ✓ ✓ ✓ ✓ Ground-fault protection – – ✓ ❑ ❑ ❑ Zone Selective Interlocking – – – ❑ ❑ ❑ LCD, 4-line – – – ❑ – – LCD, graphic – – – – – ✓ Communication via PROFIBUS DP – – – ❑ ❑ ❑ Measurement functions – – – ❑ ❑ ❑ Selectable parameter sets – – – – ✓ ✓ Parameters freely programmable – – – – ✓ ✓ ✓ Standard - Not available ❑ Optional 5/2 Siemens LV 30 · 2004