Siemens 480V manual VT, CPT, CT Data, Technical, Control Power Transformers-115C Rise

480V Metal-Enclosed Switchgear

VT, CPT, CT Data

Technical

Table 4.10	Voltage Transformers
	Accuracy Class at 60 Hz				Thermal
	Burden
				Volt-Amp	Rating
Ratio	W	X	Y			Hertz
				Rating	VA
600:120	0.6	0.6	1.2	100	150	50/60
480:120	0.6	0.6	1.2	100	150	50/60
288:120	0.6	0.6	1.2	100	150	50/60

Table 4.11 Control Power Transformers—115°C Rise

kVA	Phase	Primary	Secondary
		Voltage	Voltage
3
5	Single	240/480	120/240
10 a
15 a

aRequires complete compartment.

Table 4.12 Current Transformers for RL-800, RLE-800, RLI-800, RL-1600, RLE-1600, RL-2000, or RLE-2000 Applicationsb

	Accuracy at 60 Hz Metering Burden (ohms)					Relay
Ratio	B-0.1	B-0.2	B-0.5	B-1.0	B-2.0	Class
100:5	1.2	2.4	—	—	—	C5
150:5	1.2	2.4	—	—	—	C5
200:5	1.2	1.2	—	—	—	C10
250:5	0.6	1.2	—	—	—	C10
300:5	0.6	0.6	1.2	—	—	C10
400:5	0.6	0.6	1.2	—	—	C5
500:5	0.6	0.6	0.6	—	—	C10
600:5	0.3	0.6	0.6	1.2	—	C10
800:5	0.3	0.3	0.6	0.6	—	C15
1000:5	0.3	0.3	0.3	0.6	1.2	C20
1200:5	0.3	0.3	0.3	0.6	1.2	C20
1500:5	0.3	0.3	0.3	0.3	0.6	C30
1600:5	0.3	0.3	0.3	0.3	0.6	C30
2000:5	0.3	0.3	0.3	0.3	0.6	C5
2500:5	0.3	0.3	0.3	0.3	0.3	C10

bBreaker compartment will accept 3 CT’s in-line on lower disconnects.

Table 4.13 Current Transformers for RL-3200c, RLE-3200c, RL-4000d, RLE-4000d, or RL-5000bApplications

	Accuracy at 60 Hz Metering Burden (ohms)					Relay
Ratio	B-0.1	B-0.2	B-0.5	B-1.0	B-2.0	Class
1000:5	0.3	0.3	0.6	0.6	1.2	C20
1200:5	0.3	0.3	0.3	0.6	1.2	C25
1500:5	0.3	0.3	0.3	0.3	0.6	C35
2000:5	0.3	0.3	0.3	0.3	0.3	C25
2500:5	0.3	0.3	0.3	0.3	0.3	C30
3000:5	0.3	0.3	0.3	0.3	0.3	C15
3200:5	0.3	0.3	0.3	0.3	0.3	C20
4000:5	0.3	0.3	0.3	0.3	0.3	C10
5000:5	0.3	0.3	0.3	0.3	0.3	C10

bBreaker compartment will accept 3 CT’s in line on lower disconnects.

cBreaker compartment will accept 6 CT’s, 3 on lower and 3 on upper disconnects.

dBreaker compartment will accept 3 CT’s in staggered arrangement, 2 on lower and 1 on upper disconnects.

4

480V Metal Switchgear- Enclosed

CSI Section 16470	Siemens Electrical Products and Systems	59
	Specification Guide