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The Socomec DIRIS DigiBOX A40 kit (USDBPA40RS250_KIT) includes the DIRIS DigiBOX A40 (USDBPA40RS), 3x TR-21 63-250 amp split core current sensors (48290557) and 3x 6.5’ RJ12 cables.
Electrical characteristics
| Auxiliary power supply | |
| Alternative voltage | 110/400 VAC or 120/300 VDC - Cat III |
| Frequency | 50/60 Hz |
| Power consumption | 5 VA AC / 1.5 VA DC (48250500) 8 VA AC / 2.5 VA DC (48250501 & 48250502) |
| Connection | Removable spring-cage terminal block, 2 x 2 positions, AWG 10 … 24 / 2.5 … 0.5 mm² solid cable or AWG 15 … 30 / 1.5 … 0.25 mm² stranded cable with ferrule |
Measurement characteristics
| Power and energy measurement | |
| Accuracy Active energy and active power | Class 0.2 for the DIRIS A-40 only Class 0.5 with TE, TF or iTR sensors Class 1 with TR sensors |
| Accuracy of reactive energy | Class 1 with TE, iTR or TF sensors |
| Power factor measurement | |
| Accuracy | Class 0.5 with TE, TF or iTR sensors Class 1 with TR sensors |
| Voltage measurement | |
| Characteristics of the network measured | 50-300VAC (Ph/N) - 87-520VAC (Ph/Ph) - CAT III |
| Frequency range | 45 to 65Hz |
| Frequency accuracy | Class 0.02 |
| Network type | Single-phase / Two-phase / Two-phase with neutral / Three-phase / Three-phase with neutral |
| Measurement by voltage transformer | Primary: 400 000 VAC Secondary: 60, 100, 110, 173, 190 VAC |
| Input consumption | ≤ 0.1 VA |
| Accuracy of voltage measurement | Class 0.2 |
| Connection | Removable spring-cage terminal block, 4 positions, AWG 10 … 24 / 0.5 … 2.5 mm² solid cable or AWG 15 … 30 / 0.25 … 1.5 mm² stranded cable with ferrule |
| Current measurement | |
| Number of current inputs | 3 |
| Associated current sensors | Solid TE, split-core TR/iTR, flexible TF current sensors |
| Accuracy | Class 0.2 DIRIS A-40 alone Class 0.5 with TE, TF or iTR sensors Class 1 with TR sensors |
| Connection | Specific Socomec cable with RJ12 connectors |
Input characteristics
| Number | 3 |
| Type / Power supply | Optocoupler with internal (12 VDC ± 10%) or external (12-24 VDC ± 20%) polarisation |
| Input function | Logical status, protective device monitoring, pulse metering of multifluid meters. |
| Connection | Removable screw terminal block, 5 positions, AWG 15 … 35 / 0.14 to 1.5 mm² stranded or solid cable |
Output characteristics
| Number | 2 |
| Type | Optocoupler 30 Vd.c. max 20mA max - SELV |
| Output function | Command, energy pulse output, load shedding, alarm |
| Connection | Removable screw terminal block, 4 positions, AWG 15 … 35 / 0.14 to 1.5 mm² stranded or solid cable |
Communication characteristics
| Ethernet RJ45 10/100 Mbs | Gateway function Modbus TCP BACnet IP SNMP v1, v2, v3 |
| RS485 2-3 wires | Modbus RTU communication function Profibus DPV1 communication interface |
| USB | Upgrade and configuration via type B micro USB connector |
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