TC12 Installation, Commissioning & Maintenance Handbook
666/HE/43100/000
Page 80
Issue 10
3.2.5 Current Transformer Ratings
Each controller phase or illuminated indicator that is to be monitored requires one
current sensor 667/7/25171/000 as detailed below. The table also indicates which
lamp feeds are passed through the current sense transformer for each type.
Monitorable lamp/phase
types
Current sensor lamp
feeds
Maximum number of
Signal Heads (see note
1)
Intersection Vehicle (IV)
Red, Amber, Green
8 { 3 }
Pelican Vehicle (PV)
Red, Amber, Green
16 { 6 }
Intersection Pedestrian
(IP)
Red man, Green man
16 { 6 }
Pelican Pedestrian (PP)
Red man, Green man
16 { 6 }
Wait Indicator 40 Watt
(W4)
Wait Indicator(s)
16 { 6 }
Wait Indicator 60 Watt
(W6)
Wait Indicator(s)
16 { 6 }
Regulatory Sign (RS)
Sign
7 signs (21 tubes)
2 signs (6 tubes)}
Switched Sign - Bulb type
(SB)
Sign
16 lamps {6 (note 5)}
Switched Sign - Tube
type (ST)
Sign
7 signs (21 tubes)
{2 signs (6 tubes) note 5
Pelican Pede
Wait (PPW / PP4)
Red man, Green man,
16 (note 2) { 6 }
Pelican Stream (PS /
PS4)
Wait Ind Red, Amber,
Green, Red man, Green
man, Wait Ind
16 (note 3) { 6 }
Intersection Pede
Wait (IPW / IP4)
Red man, Green man,
Wait Ind
16 (note 2) { 6 }
Intersection Pedestrian
Stream (IPS / IS4)
Red, Amber, Green, Red
Man, Green man, Wait
Ind
8 (note 4) { 6 }
Export Pedestrian with
flashing Red (XP1)
Red man, Green man
16 { 6 }
Export Vehicle with
flashing Green (XV1)
Red, Amber, Green
8 { 3 }
Export Vehicle Filter -
flashing Amber Ball
(XV2)
Flashing Ball
16 { 6 }
Export Vehicle - flashing
Amber signal group
(XV3)
Red, Amber, Green
8 { 3 }
Notes:
These limits apply to 240 V RMS supply voltage and 50W lamp loads (unless
stated). Where the supply is lower or the lamp loads are higher the limits are
reduced accordingly. For example the figures given in curly brackets {}, are the
