GIC 17A122CB0 Current Monitoring Relay is a 3-phase current monitoring relay designed for motor protection on 220-415 V AC (3-phase, 3-wire) supplies. It provides inverse-time overload protection with underload, phase fault monitoring, and selectable trip class for reliable machine and panel safety.
🔧 Technical Highlights:
- Supply voltage: 220-415 V AC (3-phase, 3-wire), 50/60 Hz
- Supply variation: -20% to +15%
- Power consumption: 12 VA (max.)
- Sensing current range: 3-9 A
- Trip type: Inverse time
- Selectable trip class: 10A, 10, 20, 30
- Underload setting: 40% to 90%
- Locked rotor threshold: 400% of set current
- Phase protections: Phase loss, phase unbalance/asymmetry, phase reverse (100 ms approx.)
- In-built CTs: 2
- Reset modes: Auto or manual (auto reset time 3-15 min, as per trip class)
- Output: 1 C/O relay, 5 A at 240 V AC (resistive)
- On delay: 450 ms +/- 50 ms
- Enclosure: IP20, UL94-V0
- Mounting and size: Base mount, 110 x 36.5 x 76.8 mm, approx. 210 g
- Environment: -10°C to +60°C operating, -25°C to +70°C storage, 95% RH non-condensing
- Compliance: RoHS
✅ Benefits:
- Helps prevent motor damage by tripping on overload, underload and locked-rotor conditions
- Detects phase loss, reverse phase sequence, and phase unbalance on 3-phase supplies
- Selectable trip class supports better matching to motor starting characteristics
- Auto/manual reset and test function support maintenance and fault finding
- Compact base-mount format for control panels with fail-safe protection logic
🚀 Applications:
- 3-phase motor protection in control panels and MCCs
- Pumps, fans, compressors and conveyors
- HVAC plant and refrigeration equipment
- Packaging, material handling and general automation machinery
- Installations where phase loss/unbalance and overload faults are a risk
Robust inverse-time current and phase protection for dependable 3-phase motor control.
FAQs
- Q: What supply range does the relay monitor?
A: Check the technical highlights for the monitored supply voltage range.
- Q: What output contacts are provided?
A: It provides 1 C/O relay, 5 A at 240 V AC (resistive).