1 / 5
Product Specifications
Brand: Siemens
Part Number: 3NJ6900-4HH21
Type: Analogue Panel Ammeter
Series: SENTRON 3NJ6900
Current Rating: 300 A
CT Ratio: 300/5 A
Measuring Element: Moving Iron
Accuracy Class: Class 1
Burden: 0.6 VA
Product Description
Pluggable analogue panel ammeter designed exclusively for SENTRON 3NJ63 series switch disconnectors with fuses. The moving-iron measuring element responds quickly to current changes — suited for mid-range distribution applications where real-time fluctuation visibility is critical.
Key Features
- 300/5 A CT ratio with Class 1 accuracy at 0.6 VA burden
- Moving-iron measuring element — 2-fold overload capacity
- Tool-free pluggable installation, retrofittable at any time
- Front panel mounting, in-line design for 3NJ63 disconnectors
- CE certified, IEC EN 60947-3 compliant, RoHS conformal
Technical Specifications
| Parameter | Value |
|---|---|
| Current Rating | 300 A |
| CT Ratio | 300/5 A |
| Measuring Element | Moving Iron |
| Accuracy Class | Class 1 |
| Burden | 0.6 VA |
| Overload Capacity | 2-fold |
| System Voltage | Up to 690 V AC / 440 V DC |
| Standard | IEC EN 60947-3 |
| Net Weight | 0.070 kg |
Related Products
- Siemens 3NJ6900-4HJ12 — Bimetal pluggable ammeter with 400/1 A ratio for SENTRON disconnectors
- Siemens 3NJ6900-4HK12 — Bimetal pluggable ammeter with 500/1 A ratio for SENTRON disconnectors
- Siemens 3NJ6900-4HH11 — Moving-iron pluggable ammeter with 300/1 A ratio for SENTRON disconnectors
Siemens
Siemens 3NJ6900-4HH21 SENTRON Analogue Panel Ammeter, 300/5A, Moving Iron, Class 1
Moving-iron pluggable ammeter for 300 A SENTRON fuse disconnectors
MPN/Series: 3NJ6900-4HH21
Product Specifications
Brand: Siemens
Part Number: 3NJ6900-4HH21
Type: Analogue Panel Ammeter
Series: SENTRON 3NJ6900
Current Rating: 300 A
CT Ratio: 300/5 A
Measuring Element: Moving Iron
Accuracy Class: Class 1
Burden: 0.6 VA