Instruction Book
Effective: May 2016
Page 47
IB131017EN
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5-6 ACCESSORY DEVICES
Accessory devices are available for use with VCP-TL
and VCP-TRL circuit breakers. Unless otherwise
stated, they should be considered optional devices in
the sense that they are not provided as standard on a
manually operated circuit breaker.
Circuit breaker accessories are common to all circuit
breaker ratings. The accessories fall into one of two
categories:
•Internal electrical
•Mechanical
5-6.1 INTERNAL ELECTRICAL ACCESSORY
One electrical accessory is mounted inside the circuit
breaker behind the front cover. This device is the
auxiliary switch and access to the device is gained by
simply removing the front cover.
Auxiliary Switch -
A 5a, 5b auxiliary switch is supplied
as standard on all circuit breakers for customer use
(Figure
5-20
and Table
5.3
). The switch is a heavy duty,
double break type switch with wipe type contacts.
Figure 5-20 Auxiliary Switch
5-6.2 MECHANICAL ACCESSORIES
There are two mechanical type accessories:
•Operations Counter
•Door Escutcheon
Operations Counter -
The operations counter is a
standard mechanical device used to provide a record of
the number of circuit breaker operations. It is mounted
on the right side of the circuit breaker and can be
viewed through the front cover (Figure
5-5
).
Door Escutcheon -
The door escutcheon is an
optional molded frame used to seal space between the
circuit breaker and a compartment door cutout, should
the customer choose to have a through the door type
mounting configuration. It is supplied with a mounting
gasket (Figure
5-21
)
.
Figure 5-21 Door Escutcheon and Gasket
Table 5.3 Auxiliary Switch Contacts Interrupting Capacities
Continuous
Current
(amperes)
Control Circuit Voltage
120 Vac
240 Vac
24 Vdc
48 Vdc
125 Vdc
250 Vdc
20
Non-inductive Circuit Interrupting Capacity in Amperes
15
10
16
16
10
5
20
Inductive Circuit Interrupting Capacity In Amperes
15
10
16
16
10
5
