Siemens SENTRON 3WL Reference Manual

SENTRON Switching and Protection Devices — Air Circuit Breakers
Introduction
4
Siemens · 2009
■ Overview
✓ Standard
-- Not available
❑ Optional
1)
ETU15B cannot be used with 3WL circuit breakers, size III.
3WL air circuit breakers/non-automatic air circuit breakers
according to UL 489 up to 5000 A, see Catalog LV 16.
Air circuit breakers
3WL air circuit breakers/non-automatic air circuit breakers
up to 6300 A (AC)
3WL non-automatic air circuit breakers
up to 4000 A (DC)
Size I, II, III II
Rated current I
n
A 630, 800, 1000, 1250,
1600, 2000, 2500, 3200, 4000,
5000, 6300
1000, 2000, 4000
Number of poles 3-pole, 4-pole 3-pole, 4-pole
Rated operational
voltage U
e
V AC
V DC
Up to 690/1000/1150
--
--
Up to 1000
Rated ultimate
short-circuit breaking
capacity at 500 V AC
kA
Size I
55/66
Size II
66/80/100
Size III
100/150 (3-pole),
130 (4-pole)
30/25/20
(at 300/600/1000 V DC)
Endurance Opera-
ting cyc-
les
20000 15000 10000 15000
Mounting position
Degree of protection
With cover IP55 IP55
Without cover
(with door sealing frame)
IP41 IP41
Dimensions 3-/4-pole
W mm 320/410 460/590 704/914 460/590
H mm 434 434 434 434
D mm
H mm
D mm
291
465.5
471
291
465.5
471
291
465.5
471
291
465.5
471
Type ETU15B
1)
ETU25B ETU27B ETU45B ETU76B
Solid-state releases for SENTRON 3WL circuit breakers
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 through
PROFIBUS DP/MODBUS
-- -- -- ❑ ❑
Measurement function Plus -- -- -- ❑❑
Selectable parameter sets -- -- -- -- ✓
Parameters freely programmable -- -- -- -- ✓
CubicleBUS -- -- -- ✓ ✓
Size III
Size II
Size I
N S E 0 _ 0 0 0 6 2 a
3 0 ° 3 0 °
N S E 0 _ 0 0 0 6 1 a
3 0 °
3 0 °
N S E 0 _ 0 0 0 6 2 a
3 0 ° 3 0 °
N S E 0 _ 0 0 0 6 1 a
3 0 °
3 0 °
NSS0_00535
H
WD
NSE0_01106a
NSE0_01107a
NSE0_01108a
NSE0_01109a
Rating Plug
NSE0_01111a
Fixed
mounting
Withdrawable

Siemens SENTRON 3WL Specifications

General

Brand	Siemens
Model	SENTRON 3WL
Category	Circuit breakers
Language	English