Customization: | Available |
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Type: | Distribution Metering Box |
Structure: | Protection |
Shipping Cost: | Contact the supplier about freight and estimated delivery time. |
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Payment methods: | |
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Support payment in USD |
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Refund policy: | Claim a refund if your order doesn't ship, is missing, or arrives with product issues. |
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Function | Specification | |||||||
-F | -C | -M | -T | -B | -U1 | -DB | ||
Hardware Resource |
Current acquisition | 8 | 8 | 8 | 8 | 6 | 0 | 6 |
Voltage acquisition | 4 | 4 | 4 | 4 | 6 | 4 | 6 | |
Switch Collection | 16 | 16 | 16 | 16 | 16 | 16 | 16 | |
Relay Output | 10 | 10 | 10 | 10 | 10 | 10 | 10 | |
Protection | Three-stage overcurrent protection | √ | √ | |||||
Three-stage overcurrent with direction blocking | √ | |||||||
Two-stage overcurrent protection | √ | √ | √ | √ | ||||
Zero-sequence overcurrent protection | √ | √ | √ | √ | ||||
Inverse time overcurrent protection | √ | √ | √ | √ | √ | |||
Overload protection | √ | √ | √ | |||||
Control circuit disconnection alarm | √ | √ | √ | √ | √ | √ | ||
Under-voltage protection | √ | √alarm | ||||||
Lack of voltage protection | √ | |||||||
PT disconnection alarm | √ | √ | √ | √ | √ | √ | √ | |
Three-phase one-time reclosing | √ | |||||||
Low-frequency load shedding | √ | |||||||
High-frequency protection | √ | |||||||
After accelerating overcurrent | √ | √ | √ | |||||
Overvoltage protection | √ | √ | √ | √alarm | √alarm | |||
Locked-rotor protection | ||||||||
Undervoltage protection | √ | |||||||
Unbalanced voltage protection | √ | √ | ||||||
Unbalanced current protection | √ | √ | ||||||
Phase error protection | √ | |||||||
Zero sequence overvoltage protection | √ | √ | √ | √alarm | ||||
Non-electric protection | √ | √ | √ | √ | ||||
Starting over time | √ | |||||||
Reverse power protection | √ | |||||||
Thermal overload protection | √ | |||||||
Negative sequence overcurrent (two stages / inverse time limit) |
√ | |||||||
Incoming line / busbar | √ | √ | ||||||
Busbar charging protection | √ | |||||||
FC blocking | √ | √ | √ | √ | ||||
Second harmonic blocking | √ | √ | √ | √ | ||||
Intermittent ground protection | √ | √ | ||||||
Overhaul status lockout | √ | √ | √ | √ | √ | √ | √ | |
Communication protocol | ModBus-RTU | √ | √ | √ | √ | √ | √ | √ |
IEC60870-5-103 | √ | √ | √ | √ | √ | √ | √ | |
Accessibility | Fault recorder | √ | √ | √ | √ | √ | √ | |
IRIG-B time synchronization | √ | √ | √ | √ | √ | √ | √ |
Specification | AM2SE | AM3SE | AM4 | AM5 | AM5SE | |
Hardware | Protect Current | 3 channels | 3 channels | 3 channels | 3 channels | 3 channels |
Measure Current | × | × | × | 3 channels | 3 channels | |
zero-sequence current | 1 channel | 2 channels | 1 channel | 2 channels | 2 channels | |
Measure Voltage | 3 channels | 3 channels | 4 channels | 4 channels | 4 channels+ backup 2 channels | |
Switch Value Input | 8 channels | 11 channels | 12 channels | 16 channels | 20 channels | |
Switch Value Output | 5 channels | 5 channels | 5 channels | 10 channels | 10 channels | |
RS485 Interface | 1 channels | 1 channel | 1 channel | 2 channels | 2 channels | |
RS232 Interface | × | × | 1 | 1 | 1 | |
USB | × | √ | ||||
CE | × | optional 2 | ||||
GPS time synchronization | × | √ | × | √ | √ | |
4-20mA | × | optional 2 | ||||
Anti-jump | Optional external anti-hop module | built-in | ||||
operation circuit | × | √ | ||||
Protection | Main transformer differential protection | × | × | × | × | √ |
Main transformer backup protection | × | × | × | × | √ | |
Three-stage overcurrent With direction with a voltage blocking |
× | × | × | √ | √ | |
Three-stage overcurrent with directional locking |
× | √ | √ | √ | √ | |
Three-stage overcurrent | √ | √ | √ | √ | √ | |
Zero sequence overcurrent protection | √ | √ | √ | √ | √ | |
Overvoltage protection | √ | √ | √ | √ | √ | |
Low voltage protection | √ | √ | √ | √ | √ | |
Zero sequence overvoltage protection | √ | √ | √ | √ | √ | |
High-power motor differential protection (>2000KW) |
× | × | × | × | √ | |
High Voltage Motor Protection | × | × | × | √ | √ | |
Capacitor Protection | × | × | × | √ | √ | |
Overcurrent after acceleration | √ | √ | √ | √ | √ | |
Low-frequency load shedding | √ | √ | √ | √ | √ | |
Grid-connected reverse power protection | × | × | × | √ | √ | |
PT disconnection alarm | √ | √ | √ | √ | √ | |
Fault alarm | √ | √ | √ | √ | √ | |
FC blocking | √ | √ | √ | √ | √ | |
Incoming line of high voltage single busbar system /Mother-joint prepared self-injection |
× | × | × | √ | √ | |
Low-voltage standby self-switching(400V) | × | × | × | √ | × | |
PT monitoring and parallel functions | × | × | × | × | √ | |
PT monitoring functions | √ | √ | √ | √ | √ | |
Non-electrical protection (temperature, gas, etc.) |
√ | √ | √ | √ | √ | |
Synchronization function | × | × | × | × | √ | |
Fault recorder | √ | √ | √ | √ | √ | |
Electrical parameter measurement | U, I, Fr, P, Q, PF, Ep, Eq, Es |