Specifications

RailCorp Infrastructure Engineering Manual – Signalling
Maintenance Manual
Electric Point Machine Westinghouse Style M70 MKIII TMG E1583
3.1 Technical Details
The technical information describing the 'M70' MKIII point machine is tabulated in
Table 3.1.
Table 3.1 M70 MKIII Point Machine Technical Information
Item Description
Motor 110V, D.C., Split Field
Point Controller Thrust Rated 50V, D.C.
Thrust Rated 3000N Approx.
Thrust Maximum 4500N Approx.
Gear Box Ratio Operating Time 112:1
Ambient Temperature Range 4 Seconds at rated voltage - 10 to 60
degree C.
Weight 214 kg. approximately
Dimensions Refer to Figure 3.1.
Motor Protection Unit 50V D.C
Cut-off Time 10 seconds (+25% -25%) ± 25%
Version 1.0 © RailCorp 2009 Page 17 of 52
Issue Date: 1 December 2009 Uncontrolled when Printed