Technical Data - Grundfos LC A2 Manual Del Usuario

By connecting several LC A2 units, a corresponding
number of appliances can be switched on/off by
means of one control relay (level switch).
See example in fig. 5.
Control relay
Fig. 5 Connection of several LC A2 units
It is also possible to lock the LC A2 to disable
automatic restarting. In case of alarm, the LC A2
must be pulled out of the socket. See example in
fig. 6.
Control relay
Fig. 6 Locked LC A2
Alarm relay Control relay
Alarm relay
Alarm relay

8. Technical data

Enclosure
Flame-retardant polystyrene according to UL 94 V-0
or 94 V-2, impact-resistant, bicolour, with integrated
socket (can be switched on or off), two cable glands
with cable relief, 2 x M12 x 1.5.
Power supply
230 V, 50 Hz, short-circuit-proof safety isolating
transformer.
No-load power consumption: 0.2 VA.
Power consumption in case of alarm: approx. 2 VA.
Input
Potential-free normally open contact, min. 24 V,
75 mA.
Output
Potential-free contact, 3 A, 250 VAC or 3 A, 30 VDC,
short-term 5 A.
In case of alarm, the socket can be switched on/off
(15 A/250 VAC, 1-pole). It can also be used as
feed-through socket.
An acoustic alarm signal is possible by means of a
piezoelectric buzzer with a tone sequence signal of
97 dB/1 m.
Ambient temperature
0-40 °C.
Dimensions
140 x 60 x 90 mm.
9. Disposal
This product or parts of it must be disposed of in an
environmentally sound way:
1. Use the public or private waste collection service.
2. If this is not possible, contact the nearest
Grundfos company or service workshop.
Subject to alterations.
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