Table 35: The standard relay board (+SBF3)
Terminal
Signal
Technical information
21
Relay output 1 *
Change-over contact (SPDT) relay. 5.5 mm isolation between
channels.
Switching capacity
•
24 VDC/8 A
•
250 VAC/8 A
•
125 VDC/0.4 A
Minimum switching load
•
5 V/10 mA
22
23
24
Relay output 2 *
Change-over contact (SPDT) relay. 5.5 mm isolation between
channels.
Switching capacity
•
24 VDC/8 A
•
250 VAC/8 A
•
125 VDC/0.4 A
Minimum switching load
•
5 V/10 mA
25
26
32
Relay output 3 *
Normally-open (NO or SPST) contact relay. 5.5 mm isolation
between channels.
Switching capacity
•
24 VDC/8 A
•
250 VAC/8 A
•
125 VDC/0.4 A
Minimum switching load
•
5 V/10 mA
33
* = If you use 230 VAC as control voltage from the output relays, the control circuitry must be
powered with a separate isolation transformer to limit the short circuit current and the
overvoltage spikes. This is to prevent welding on the relay contacts. Refer to standard EN
60204-1, section 7.2.9.
TECHNICAL DATA ON CONTROL CONNECTIONS
VACON · 113
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10
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