Specifications

Engineering Standard –NSW

Signalling SMS 02

Cerberus Level Crossing Monitor Equipment

March 2005 Version 1.2 © Australian Rail Track Corporation Page 53 of 118

This document is uncontrolled when printed.

3. TEST CUT-OFF Relay: HG2-12-20 (HG2-DC12V, 20 Amp). This relay is available

from stores MI No: 06609119. This relay is also available from Lawrence & Hansen

Electrical Group. The matching base (HG2-SFD) and clips for this relay must be

purchased with the relay.

HG2-SF Base. Top V

4. CUT OFF TIMER: NATIONAL PMH 10M 12V DC or OMRON H3CR-

A8 12V DC. The National timer relay is the preferred product. It is

available from Lawrence & Hansen Electrical Group. The OMRON unit

is compatible but is more expensive. The OMRON unit is available

from BELL IRH. When buying the timer a matching base with clips

should be purchased, with the timer.