ABB Distribution Protection Unit 1500R
4-3
Relay Design and Specifications
9/99
website:www.abb.com/papd
Ratings and Tolerances
The following are the ratings and tolerances of the DPU1500R.
Current Input Circuits
•
5A input rating, 16 A continuous and 450 A for 1 second
•
1A input rating, 3 A continuous and 100 A for 1 second
•
Input burden at 0.245 VA at 5 A (1 - 12A range)
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Input burden at 0.014 VA at 1 A (0.2 - 2.4A range)
•
Frequency 50 or 60 Hz
Voltage Input Circuit
Voltage ratings based on the VT connection setting.
Burden
•
0.04VA for V(A-N) at 120 Vac
Voltage
•
Wye Connection: 160V continuous and 480V for 10 seconds
•
Delta Connection: 260V continuous and 480V for 10 seconds
Contact Input Circuits
•
2.10 VA at 220 Vdc and 250 Vdc
•
0.52 VA at 125 Vdc and 110 Vdc
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0.08 VA at 48 Vdc
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0.02 VA at 24 Vdc
•
Voltage range 24 to 280 Vdc for 48/110/125/220/250 Vdc
•
Voltage range 12 to 140 Vdc for 24 Vdc model
Control Power Requirements
•
48 Vdc model, range = 38 to 58 Vdc
•
110/125/220/250 Vdc models, range = 70 to 280 Vdc
•
24 Vdc model, range = 19 to 39 Vdc
Control Power Burden
•
24 Vdc = 0.7A max @ 19 V
•
48 Vdc = 0.35A max @ 38 V
•
110/125 Vdc = 0.25A max @ 70 V
•
220/250 Vdc = 0.16A max @ 100 V
Output Contacts Ratings
125 Vdc
220 Vdc
• 30 A tripping
• 30 A tripping
• 6 A continuous
• 6 A continuous
• 0.25 A break inductive
• 0.1 A break inductive