The switching module for DC 750 V up to max. 3A is the power section of the points heater controller of the latest generation.

Technical data
Dimensions	WxHxD 35x99x17 mm
Housing material	Polyamide 6.6, class V0 in ac-
	cordance with UL94
Installation	Top hat rail in accordance with
	DIN EN 50022
IP type of protection	Housing: IP 40; connections IP: 10
Ambient temperature	-20°C to +40°C
	(rel. humidity 5-95%)
Connections
Supply voltage	DC 24 V +/-10%, 50 mA, residual
	ripple <100 mVss
Nominal values
Switching rated voltage	750 V DC EN 50163:1995
Max. switching current	3A max.
Address range	can be set by 2 rotary switches
	1 - 99
Limiting values	the following values may not be
	exceeded
Max. permanent	3A
current
Max. overvoltage	1600 V (transients)
Max. overcurrent	4500 A (transients)
Max. energy	150 J (transients)
Displays	LED displays for
	1 green LED (PWR) supply voltage
	1 yellow LED (SWT) switching state
	1 red LED (ERR) error display
Electric strength	4 kVe?.
Ordering information
Type SMDC1	Part No. 640101