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General Catalogue • Protection Devices
MCCBs & Moulded Case x250
Moulded case circuit
breakers x250,
2 versions of trip unit:
• Z version: fixed, thermal and
magnetic
• U version: adjustable thermal
and magnetic
3P and 4P
Mechanical test button,
lockable settings,
integrated padlocking handle
Ø 4mm.
Comply with BS EN 60 947-2.
Connection:
Directly on copper cable
terminal,
with palm lug max. width: 25 mm
Connection capacity: 185 mm
2
rigid cables
Complies with BS EN 60 947-2.
Moulded Case switches
Allows remote tripping using
shunt trip or under voltage
release (optional)
Complies with BS EN 60 947-3
AC 22/23A
Add-on blocks for x250
devices
These devices are intended to be
fixed at the bottom of the
devices.
Type A and HI
for fault component dc pulsating
current and the products with
“reinforced immunity”.
Adjustable sensitivity and
tripping.
Test button for RCD
function check.
Mechanical test button
LED or auxilary output to signal
for tripping or advance warning
(25 - 50% I
Δn
).
Complies with BS EN 60 947-2
annexe B when fitted to an
MCCB.
Description
In
Cat. ref.
3P
MCCBs x250 25kA
100A
125A
160A
200A
250A
HHB100Z
HHB125Z
HHB160Z
HHB200Z
HHB250Z
MCCBs x250 40kA
100A
125A
160A
200A
250A
100A
125A
160A
200A
250A
HNB100Z
HNB125Z
HNB160Z
HNB200Z
HNB250Z
HNB100U
HNB125U
HNB160U
HNB200U
HNB250U
Moulded case switches x250
250A
HCB250Z
Characteristics
breaking capacity
Icu : 25 kA
(400/415 V AC)
Ics: 20kA
fixed thermal
1 x In
fixed magnetic
≥10 x In
breaking capacity
Icu : 40 kA
(400/415 V AC)
Ics: 20 kA
fixed thermal
1 x In
fixed magnetic
≥10 x In
adjustable thermal
0.63 - 0.8 - 1x In
adjustable magnetic
6 - 8 - 10 - 13 x In (100 - 200A)
5 - 7 - 9 - 11 x In (250A)
3P, 3 trip units
4P,
neutral setting: 0 or 100%
capacity suitable for
AC 22/23A
Icw (1s): 3 kA
HNB250Z
HNB100U