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mkelectric.co.uk
CIRCUIT PROTECTION
580
Standards and approvals
Sentry switch disconnectors are designed
to fully comply with the requirements of
BS EN 60947-3.
They all feature positive contact status indication
in accordance with the 17th Edition IEE Wiring
Regulations (537.2.2.1 and 537.3.2.2).
TECHNICAL SPECIFICATION
ELECTRICAL
CATEGORY OF DUTY
AC22A
LOAD TYPE CAPABILITY
Both resistive and inductive
OPERATING VOLTAGE
240V a.c.
OPERATING FREQUENCY
50Hz
PHYSICAL
AMBIENT OPERATING TEMPERATURE
–5°C to +40°C
IP RATING
Front face IP3X, screw IP2X
TIGHTENING TORQUE
3Nm
MAX INSTALLATION ALTITUDE
2000 metres
5560S
5500S
RATED
OPERATIONAL
CURRENT LE
63A
100A
RATED DUTY
Uninterrupted Uninterrupted
RATED MAKING
CAPACITY LC
189A rms
300 rms
RATED SHORT
TIME
WITHSTAND
CURRENT LCW
2kA rms
for 1 sec
2kA rms
for 1 sec
RATED SHORT
CIRCUIT MAKING
CAPACITY LCM
3kA peak
3kA peak
RATED
CONDITIONAL
SHORT CIRCUIT
CURRENT
6kA rms
prospective
6kA rms
prospective
FEATURES
l
Meet BS EN and IEE Wiring Regulation
requirements
l
Choice of current ratings
l
Tunnel design terminals for ease of
wiring
l
Generous cable capacity
l
Lockable operating dolly
l
Make first, break last on neutral
RATING SPECIFICATION
SWITCH DISCONNECTOR
RATING
5500s
100A
5560s
63A
Sentry Technical
Switch Disconnectors
Description
The Sentry range offers a choice of switch disconnector rated at either 100A or 63A.
The operating dolly is capable of being locked in either the ON or OFF position.
When locked in the ON position it will no longer operate as an isolator. Positive
indication of the opening of the contacts is only given when the green stripe can be
seen on the dolly.
The terminals are of a tunnel design and offer a generous cable capacity of 50mm
2
for solid stranded conductors and 35mm
2
for flexible conductors, on both current
ratings.
Category of duty
The Sentry switch disconnector is capable of switching both resistive and inductive
loads and has a category of duty of AC22A.
LN 5500s
100A
AC22A
240V50H
Z
EN 60947-3
MAIN
SWITCH
N1 L1
N2 L2
ON
OFF
36
48 16
72
45
44
Dimensions (mm)
Installation
The Sentry switch disconnector
is designed to accept both
cable-in/cable-out and direct-to-
busbar connections.
The terminal screws are touch-
proof to IP2X, captive and
feature combination heads.