Seg WI Series User Manual

2.4.2
Device Features
Features WIC1
Primary Application Type
Self-/CT-Powered. (Device variant WIC1‑4 with optional
auxiliary power supply)
✓
Mounting Type
Housing suitable for mounting plate ✓
Inputs and Outputs WIC1
Inputs and Outputs of WIC1‑1 … WIC1‑3
Current transformer inputs 3 (phase currents),
1 ground current (option)
Binary inputs 0 ... 1 (option – only 115 VAC or 230 VAC)
Pulse Output 1 ... 2 (option)
Inputs and Outputs of WIC1‑4
Current transformer inputs 4
Binary inputs 0 ... 2 (option)
Pulse Output 1 ... 2 (option)
Protection and Supervision Features ANSI / IEEE C37.2 WIC1
Protection
Remark: Every protection function can also be con󰊟gured to operate without tripping, i. e. as a supervision function.
Time overcurrent protection 50 / 51 I>, I>>, I>>>
Inrush stabilisation (2nd harmonic) IH2 IH2
Calculated ground (earth) fault protection 50N / 51N IG>, IG>>
Measured ground (earth) fault protection 50G / 51G IG>, IG>>
• WIC1‑1 … WIC1‑3: option•
• WIC1‑4: ✓•
Ultra-fast Peak Overcurrent protection Ipeak> (option)
Unbalanced Load protection 46 I2/I1> (option)
Negative-Sequence Current Protection 51Q I2> (option)
Thermal Overload protection 49 ThR (option)
Switch on to Fault (SOTF) SOTF (option)
External Trip ExP[1], ExP[2] (option)
Supervision
Circuit breaker failure 50BF
62BF (WIC1‑4 only)
CBF
Trip circuit resp. control circuit supervision TCM / 74TC TCM
25WIC1WIC1-1.0-EN-MAN
2 WIC1 – Introduction and General Information
2.4.2 Device Features

Seg WI Series Specifications

General

Brand	Seg
Model	WI Series
Category	Relays
Language	English