Showing 6 Verified Switchgear Protection Products
IEC 60947-2 IEC 61557-12 ISO9001 Certified OEM / ODM Available
Intelligent Universal Circuit Breaker Fixed Type Frame ACB
$401.82 - $408.63 / Piece MOQ: 1 pc
| Mounting Style | Stationary / Bolted Fixed Type |
| Rated Voltage | AC 400V / 690V (50/60 Hz) |
| Protection Unit | Microprocessor Intelligent Controller |
| Reference Standard | IEC 60947-2 / EN 60947-2 |
Universal Electrical ACB Draw-Out Type Air Circuit Breaker
$401.82 - $408.63 / Piece MOQ: 1 pc
| Mounting Style | Draw-Out with Racking Mechanism |
| Maintenance Benefit | Rapid Replacement Without Power Cut |
| Interlocking Mode | Mechanical & Key Padlock Safety |
| Safety Isolation | Automatic Disconnecting Shutters |
ZN63(VS1)-22 12KV Indoor Vacuum Circuit Breaker
$600.00 - $700.00 / Piece MOQ: 10 pcs
| Rated Voltage | 12kV – 22kV Distribution Grid |
| Arc Quenching | High-Vacuum Sealed Bottle |
| Operating Class | M2 Mechanical Endurance Class |
| Target Facility | Substations, Primary Feeder Panels |
Three-Phase Multi-Functional Digital Energy Meter
$10.99 - $12.80 / Piece MOQ: 5 pcs
| Measured Parameters | Current (A), Voltage (V), kW, Frequency |
| Display Interface | Wide-Angle Backlit Digital LCD |
| Accuracy Rating | Class 0.5S / Class 1.0 |
| Integration | Fits Switchgear Instrument Doors |
Intelligent 3-Phase Sub-Meter with LED Display
$8.99 - $9.99 / Piece MOQ: 10 pcs
| Panel Frame Dimensions | 96×96 / 72×72 / 80×80 mm Options |
| Signal Input | Direct / CT Connected (AC/DC Dual) |
| Installation Method | Flush Door Mount with Retaining Clips |
| Operating Temp | -25°C to +55°C Industrial Enclosures |
Energy Meter with Harmonic Analysis & RS485
$11.50 - $12.90 / Piece MOQ: 5 pcs
| Harmonics Analysis | Total & Individual up to 31st Harmonic |
| Communication Port | RS-485 Serial (Modbus-RTU Standard) |
| Power Analytics | Active, Reactive, Apparent kWh & PF |
| SCADA Readiness | Compatible with PLC & Energy EMS |
Engineering Guide: Draw-Out vs. Fixed Type Air Circuit Breaker
When building low-voltage main distribution panels (PCC) or motor control centres (MCC), selecting the right ACB framework determines maintenance cost, switchboard uptime, and initial procurement budget. Zhejiang Graybar Electric Co., Ltd. manufactures both variants according to IEC 60947-2.
| Technical Parameter | Draw-Out Type ACB | Fixed Type ACB |
| Installation Architecture | Breaker body sits inside a dedicated cradle connected via sliding primary finger clusters. | Directly bolted to copper busbars with fixed terminal extensions. |
| Downtime During Service | Zero line shutdown needed; racked out within 3 minutes for contact inspection. | Requires de-energising upstream transformer or sub-station busbar. |
| Visual Isolation Safety | Integrated mechanical shutters isolate live copper stabs automatically. | Requires separate upstream disconnector switch for visible break. |
| Optimal Use Case | Hospitals, Tier 3/4 Data Centers, continuous chemical plants, airports. | Standard commercial complexes, compact standalone pump stations. |
Procurement Quality Standards
Factory Rigorous Testing & B2B Guarantees
Each Air Circuit Breaker leaving the Zhejiang Graybar Electric Co., Ltd. facility in Liushi undergoes complete secondary injection testing, microcomputer controller trip response calibration, and 2,500V power frequency dielectric withstand verification. Importers and switchboard builders are provided with complete batch factory test reports, dimensional CAD drawings for copper busbar punching, and wiring schematics for shunt release and motor-operated charging mechanisms.
Need Custom Rated Current or Auxiliary Switch Configurations?
Send your switchgear project single-line diagram (SLD) or BOM list to [email protected].
