Siemens SENTRON 3WL10 - Page 20

Description
2.5 Basic properties of the circuit breaker (3WL10 / 3VA27)
3VA27 molded case circuit breakers & 3WL10 air circuit breakers
18 Manual, 10/2018, L1V30499596002-01
Features
The circuit breakers meet the following requirements:
● High breaking capacity
● Selective protective response
● Optional integrated metering function with internal voltage tap and expansion module
metering function Basic / metering function Advanced (with electronic trip units of the 6-
series)
● Connection to a fieldbus communication system or Ethernet-based IP communication
(with electronic trip units of the 6-series)
The most important features of the circuit breaker are:
Feature
Air circuit breaker
3WL10
Molded case circuit breaker
3VA27
Compact dimensions
✓
✓
Rated current I
n
630 / 800 / 1000 / 1250 A 800 / 1000 / 1250 / 1600 A
Breaking capacity classes 42 kA, 55 kA, and 66 kA
(I
cu
at 440 V)
55 kA, 85 kA, and 110 kA
(I
cu
at 415 V)
Fixed-mounted ✓ ✓
Withdrawable
✓
✓
Toggle operating mechanism
—
✓
Stored energy operating mechanism
✓
✓
Electronic trip units
3-series / 6-series
3-series / 6-series
Direct communication link to the device without an
intermediate gateway. Various bus systems are availa-
ble (optionally for electronic trip units of the 6-series)
✓ ✓
Use in AC applications
✓
✓
Direct communication link to various bus systems of
the device (optionally for electronic trip units of the 6-
series)
✓ ✓
No derating of the circuit breaker up to +70 °C in ac-
cordance with IEC 60947-2
✓ —
Modular and easy-to-fit accessories
✓
✓
Connections that can be retrofitted by the user. Its
orientation is modular or rotatable for subsequent modi-
fication.
✓ ✓