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Spirax Sarco BT1050 - Switch Box

Spirax Sarco BT1050
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IM-P405-39 AB Issue 4
46
10.7 Input technical data
Switch box
Maximum voltage 32 Vdc (no load, open circuit)
Maximum current 3 mAdc (short circuit)
Lockout (link)
Maximum voltage 32 Vdc (no load, open circuit)
Maximum pulldown voltage 0.25 Vdc
Maximum current 1.5 mAdc
10.8 Output technical data
Relay(s)
Contacts 2 x single pole changeover relays (SPCO)
Voltage ratings (maximum) 250 Vac
Resistive load 3 amp @ 250 Vac
Inductive load 1 amp @ 250 Vac
ac motor load
¼ HP (2.9 amp) @ 250 Vac
1
/
10
HP (3 amp) @ 120 Vac
Pilot duty load C300 (2.5 amp) - control circuit/coils
Electrical life (operations) 3 x 10
5
or greater depending on load
Mechanical life (operations) 30 x 10
6
RS485
Physical layer RS485 4-wire full or 2-wire half duplex
Protocol Modbus RTU format
Isolation 60 Vac/dc
Receiver unit load (256 devices - maximum)
Output rate Up to 10 frames / second
10.9 Infrared
Physical layer IrDA
Baud 38400
Range 10 cm
Working angle 15°
Exempt from EN 60825-12: 2007 Safety of laser
Eye safety information products- does not exceed the accessible emission
limits (AEL) of class 1

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