Current Transformer Ratings - Siemens TC12 Installation, Commissioning And Maintenance Handbook

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
Intersection Vehicle (IV)
Pelican Vehicle (PV)
Intersection Pedestrian
(IP)
Pelican Pedestrian (PP)
Wait Indicator 40 Watt
(W4)
Wait Indicator 60 Watt
(W6)
Regulatory Sign (RS)
Switched Sign - Bulb type
(SB)
Switched Sign - Tube
type (ST)
Pelican Pedestrian +
Wait (PPW / PP4)
Pelican Stream (PS /
PS4)
Intersection Pedestrian +
Wait (IPW / IP4)
Intersection Pedestrian
Stream (IPS / IS4)
Export Pedestrian with
flashing Red (XP1)
Export Vehicle with
flashing Green (XV1)
Export Vehicle Filter -
flashing Amber Ball
(XV2)
Export Vehicle - flashing
Amber signal group
(XV3)
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
666/HE/43100/000
TC12 Installation, Commissioning & Maintenance Handbook
Current sensor
feeds
Red, Amber, Green
Red, Amber, Green
Red man, Green man
Red man, Green man
Wait Indicator(s)
Wait Indicator(s)
Sign
Sign
Sign
Red man, Green man,
Wait Ind Red, Amber,
Green, Red man, Green
man, Wait Ind
Red man, Green man,
Wait Ind
Red, Amber, Green, Red
Man, Green man, Wait
Ind
Red man, Green man
Red, Amber, Green
Flashing Ball
Red, Amber, Green
Page 80
Maximum
lamp
Signal Heads (see note
1)
8 { 3 }
16 { 6 }
16 { 6 }
16 { 6 }
16 { 6 }
16 { 6 }
7 signs (21 tubes)
2 signs (6 tubes)}
16 lamps {6 (note 5)}
7 signs (21 tubes)
{2 signs (6 tubes) note 5
16 (note 2) { 6 }
16 (note 3) { 6 }
16 (note 2) { 6 }
8 (note 4) { 6 }
16 { 6 }
8 { 3 }
16 { 6 }
8 { 3 }
number of
Issue 10