Schneider Electric
Schneider Electric A9E21180 Acti 9 iRCP Phase Control Relay
Schneider Electric A9E21180 Acti 9 Phase Control Relay
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12-Mo Warranty
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12-month warranty
All units tested
Same-day dispatch
Order by 2pm CST
Worldwide delivery
US, EU, Asia, Middle East
Veteran-owned
CAGE: 9NK75
3-Phase Voltage Monitoring
Phase Loss & Reversal Detection
Asymmetry Detection
1 Changeover Contact
LED Status Indicators
DIN Rail Mountable
Product description
The Schneider Electric A9E21180 is an Acti 9 iRCP phase control relay designed to monitor and protect three-phase power supplies.
It detects phase loss, phase reversal, and voltage asymmetry, providing a fail-safe changeover contact output. This relay is crucial for protecting three-phase motors and other equipment in industrial environments.
Source your Schneider Electric A9A21180 phase control relays from Stanlo Automation, your veteran-owned surplus parts distributor, for dependable industrial automation components.
Technical specifications
| Part Number | A9E21180 |
| Manufacturer | Schneider Electric |
| Series | Acti 9 iRCP |
| Type | Phase Control Relay |
| Rated Current | 8A |
| Coil Voltage | 400V AC |
| Contacts | 1 C/O (Changeover) |
| Monitoring | Phase Asymmetry, Phase Loss/Reversal |
Common applications
Motor Control
Industrial Machinery
Pump Stations
HVAC Systems
Power Distribution
Compatible systems
Compatible with standard three-phase AC power systems operating at 400V AC, 50/60 Hz.
Also known as
Schneider Electric Acti 9 Phase Monitoring Relay
iRCP Relay 400V
Replaces / compatible with
This phase control relay is designed to monitor and protect three-phase systems, replacing older or less sophisticated phase monitoring devices.
Technical note
Expert tip
The tripping threshold for phase asymmetry is adjustable from 5% to 25% of the supply voltage (Us), allowing for precise protection settings.What happens next?
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3
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Frequently asked questions
What parameters does the Schneider Electric A9E21180 phase control relay monitor?
The Schneider Electric A9E21180 phase control relay monitors phase loss, phase reversal, and voltage asymmetry in three-phase power supplies. It provides visual indication of status and faults via LED indicators.