ARD3M
Standard Lead Time:
Sample: 2 days
Bulk: 1 month
Measure
Protect
Control
Communicate
What’s the Function of Acrel ARD3M Motor Protection Relay?
ARD3M is suitable for low-voltage motor circuits with rated voltage up to 690V and rated current up to 800A.
Integrating protection, measurement, control, communication, operation and maintenance
Perfect protection function ensures the safe operation of the motor
Logic programmable function to meet a variety of control methods
Choose different communication modules to meet the needs of on-site communication
Split structure, composed of main body, display unit, transformer and communication module, suitable for installation in various cabinets
How does Acrel ARD3M Motor Protection Relay work?
Wastewater treatment
Oil and gas
Chemicals
Mining
Paper
What problems can Acrel ARD3M Motor Protection Relay solve for you?
What fields can Acrel's ARD3M be used in?
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How to Install the Acrel ARD3M Motor Protection Relay?
What’s the Specification of Acrel ARD3M Motor Protection Relay?
The standard switch quantity of ARD3M is 10DI and 6DO, and the switch quantity type is shown in Table 1:
| Main switch classification
|
Code
|
| DI is the dry contact and the external power supply
of DO is AC220V |
K1 |
| DI is the wet contact, the input is DC110V, and the
the external power supply of DO is AC220V |
K2 |
| DI is the wet contact, the input is DC220V, and the
the external power supply of DO is AC220V |
K3 |
| DI is the wet contact, AC220V input, and DO
the external power supply is AC220V |
K4 |
The corresponding to relation between ARD3M current specification and the rated current and power of the applicable motor is shown in Table 2:
| Protector
current specification (A) |
Ratio
setting |
Primary side coil number of
transformer |
Applicable scope of motor (kW) | Suitable for motor
Rated current range(A) |
| 1 | Support | 5 | 0.12-999 | 0.1-5000 |
| 5 | Support | 1 | 0.12-999 | 0.5-5000 |
| 25 | Not Support | 1 | 3-11 | 6.3-25 |
| 100 | Not Support | 1 | 15-45 | 25-100 |
| 250 | Not Support | 1 | 55-132 | 63-250 |
| 800 | Not Support | 1 | 160-250 | 250-800 |
Additional features of ARD3M are shown in Table 3:
| Additional function | Code | Additional function | Code | |
| 2-63 harmonic voltages and currents | H | Waveform recording | WR | |
| Additional Communication Module (optional) | 1channel PROFIBUS
DPV1communication |
CP | Anti-electric shock function | SU |
| 2 channel PROFIBUS
DPV1 communication |
2CP | Insulation monitoring | Ri | |
| Ethernet communication
(MODBUS TCP protocol) |
MCE | Electric leakage protection | L | |
| 1channel Profinet
communication |
PNET | Fault record | SR | |
| 1 channel 4-20mA output | M1 | 2 channel 4-20mA output | M2 | |
| Wireless capability (can be optional when Color dot matrix LCD is selected) | WIFI | |||
See Table 4 for the ARD3M Display Module:
| Display module | Code |
| Black and white dot matrix LCD, module size 98×60, opening 92×55(unit mm) | 60L1 |
| Color dot matrix LCD, module size 98×60,cut-out 92×55(Unit mm) | 60L2 |
What’s the Parameter of Acrel ARD3M Motor Protection Relay?
| Technical parameters | Technical indicators | |
| Protector auxiliary power supply | Support two power modules, AC 220V power module (AC85-265V/DC100-300V) default, AC 380V power module (AC/DC100-415V) optional | |
| Rated working voltage of the motor | AC220V / 380V / 660V，50Hz / 60Hz | |
| Rated operating current of the motor | 1 (0.1A-5000A) | External current transformer |
| 5 (0.1A-5000A) | ||
| 25（6.3A-25A） | ||
| 100（25A-100A） | ||
| 250（63A-250A） | ||
| 800（250A-800A） | ||
| Relay output contact capacity | Impedance load | AC250V、10A |
| Switching input | 10 channels of passive dry contact (active DC110V, DC220V, AC220V input can be optional) | |
| Communication | Standard supplied | 2channel MODBUS RTU communication |
| Optional（only one can be selected） | 1-2 channel PROFIBUS DPV1communication、1channel PROFINET communication、Ethernet communication（MODBUS TCP protocol） | |
| Environment | Working temperature | -10ºC～55ºC |
| Storage temperature | -25ºC～70ºC | |
| Relative humidity | ≤95﹪No condensation, no corrosive gas | |
| Altitude | ≤2000m | |
| Pollution levels | Class 3 | |
| Protection grade | Main body IP20, split display module IP54 (installed on the cabinet panel) | |
| Installation category | Level III | |
2003 Established
SZ.300286 Listed Company
1200+ People
25000+㎡ Plant
Factory Direct-saleGot a Question? Get your Answer
We have our own Factory and R&D Center
Rich product series: Cloud Platform, Gateway, Protection Device, Power Meter, Transformer
CNAS, ISO14001, ISO27001, ISO9001
CE, IEC, MID, UL, EAC, ROHS, REACH
Competitive Price with High Quality
2 Years
Purchasing according to your needs, no MOQ limit
Sample takes 3 days; Bulk purchase takes 1 month
IEC 60947-4-1:2018
IEC 60947-5-1:2016
Standard Lead Time:
Sample: 2 days
Bulk: 1 month
IEC 60947-4-1:2018
IEC 60947-5-1:2016
IEC 60947-4-1:2018
IEC 60947-5-1:2016
Standard Lead Time:
Sample: 2 days
Bulk: 1 month
Kindly Fill out the Form below and tell us more about your Requirements,
We would like to provide Suitable Solution for You.
or Send us Email directly, [email protected]
