Product Specifications
- Brand
- Siemens
- Part Number
- 3NJ6900-4HK21
- Type
- Analogue Panel Ammeter
- Series
- SENTRON 3NJ6900
- Current Rating
- 500 A
- CT Ratio
- 500/5 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 applications where real-time fluctuation visibility is critical.
Key Features
- 500/5 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 | 500 A |
| CT Ratio | 500/5 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 3NJ6900-4HJ21 — Moving-iron pluggable ammeter for 400 A SENTRON fuse disconnectors
- Siemens 3NJ6900-4HL11 — Moving-iron pluggable ammeter with 600/1 A ratio for SENTRON disconnectors
- Siemens 3NJ6900-4HK22 — Bimetal pluggable ammeter for 500 A SENTRON fuse disconnectors
- Siemens 3NJ6900-4HH22 — Bimetal pluggable ammeter for 300 A SENTRON fuse disconnectors
Siemens 3NJ6900-4HK21 SENTRON Analogue Panel Ammeter, 500/5A, Moving Iron, Class 1
Product Specifications
- Brand
- Siemens
- Part Number
- 3NJ6900-4HK21
- Type
- Analogue Panel Ammeter
- Series
- SENTRON 3NJ6900
- Current Rating
- 500 A
- CT Ratio
- 500/5 A
- Measuring Element
- Moving Iron
- Accuracy Class
- Class 1
- Burden
- 0.6 VA
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