Siemens NXPLUS C User Manual

802-9081.9 • INSTALLATION AND OPERATING INSTRUCTIONS • NXPLUS C • Revision 11 31/293
Description
The test adapter can be procured from the regional Siemens representative.
9.7 Current transformers 4MC
Features • According to IEC 60044-1 and VDE 0414 Part 1
• Designed as ring-core current transformers:
- Ring core as carrier of secondary winding
- Main circuit corresponds to primary winding
• Arranged outside the primary enclosure (switchgear vessel) due to single-pole design of
cable connection and busbar
• Free of dielectrically stressed cast-resin parts (due to design)
Mounting locations • Around the busbar
• At the panel connection
• Around the cable
Current transformer types • Busbar current transformer
- Inside diameter of transformer 56 mm
- Usable height for 1250 A busbar: 170 mm
- Usable height for 1600 A, 2000 A, 2500 A busbar: 90 mm
• Feeder current transformer
- Inside diameter of transformer 106 mm
- Max. usable height 214 mm
Fig. 23: Mounting the test adapter on voltage transformer
4MT3
①
Secondary lead
②
Connection of measuring
equipment

Siemens NXPLUS C Specifications

General

Brand	Siemens
Model	NXPLUS C
Category	Circuit breakers
Language	English