Schneider Zelio vs ABB CM: Monitoring Relay Comparison
A function-by-function comparison of Schneider Zelio Control and ABB CM monitoring relays covering three-phase supply, voltage, current, level, temperature, module width, and measurement method.
The Schneider Electric RM17TA00 is a Harmony series 3-phase control relay designed for monitoring and control applications in industrial automation systems. Rated at 5A with a 1CO output contact and a wide operating voltage range of 208–480V AC, the RM17TA00 provides reliable phase monitoring and protection for motors, control panels, and process equipment. Weighing just 0.13 kg, this compact relay integrates easily into DIN rail-mounted control panel assemblies.
| Range of Product | Harmony Control Relays |
|---|---|
| Relay Type | Multifunction control relay |
| Product or Component Type | 3-phase control relay |
| Relay name | RM17TA |
| Relay monitored parameters | Asymmetry, Phase sequence, Phase failure detection |
| Control Type | Without test button |
| Contacts type and composition | 1 C/O |
| [Uc] control circuit voltage | 208...480 V |
| Product Specific Application | For 3-phase supply |
| [Us] rated supply voltage | , self-powered |
|---|---|
| Supply voltage limits | 183…528 V AC |
| Supply frequency | 50/60 Hz +/- 10 % |
| Power consumption in VA | 0…22 VA 400 V AC 50 Hz |
| Measurement range | 208...480 V AC |
| Measurement voltage limits | 183…528 V AC |
| Maximum measuring cycle | 150 ms measurement cycle as true rms value |
| Hysteresis | 2 % |
| Adjustment of asymmetry threshold | 5...15 % of Un selected |
| Measurement error | < 0.05 %/°C with temperature variation, < 1 % over the whole range with voltage variation |
| Time delay type | Adjustable 0.1...10 s, +/- 10 % of the full scale value Tt- time delay upon fault |
| Reset time | 1500 ms time delay |
| Response time | < 200 ms (in the event of a fault) |
| Output contacts | 1 C/O |
| nominal output current | 5 A |
| Maximum switching voltage | 250 V AC |
| Switching capacity in VA | 1250 VA |
| Minimum switching current | 10 mA 5 V DC |
| Maximum switching current | 5 A AC, 5 A DC |
| Electrical durability | 100000 cycles |
| Mechanical durability | 30000000 cycles |
| Control circuit voltage limits | - 12 % + 10 % Un |
| Control circuit frequency | 50...60 Hz +/- 10 % |
| Phase failure sensitivity | 0.7 Un |
| Electromagnetic compatibility | Emission standard for industrial environments conforming to IEC 61000-6-4, Emission standard for residential, commercial and light-industrial environments conforming to IEC 61000-6-3, Immunity for industrial environments conforming to IEC 61000-6-2 |
|---|---|
| Standards | IEC 60255-1 |
| Product Certifications | GOST, CSA, GL, C-tick, UL |
| Marking | CE |
| Directives | 89/336/EEC - electromagnetic compatibility, 73/23/EEC - low voltage directive |
| Ambient Air Temperature for Storage | -40…158 °F (-40…70 °C), -40…158 °F (-40…70 °C) |
| Ambient air temperature for operation | -4…122 °F (-20…50 °C) |
| Relative humidity | 95 % 131 °F (55 °C) IEC 60068-2-30 |
| IP degree of protection | IP20 IEC 60529 terminals), IP30 IEC 60529 casing) |
| Pollution degree | 3 IEC 60664-1 |
| Overvoltage category | III conforming to IEC 60664-1 |
| Dielectric test voltage | 2 kV AC 50 Hz, 1 min IEC 60255-5 |
| Insulation resistance | > 500 MOhm 500 V DC IEC 60255-5 |
| [Ui] rated insulation voltage | 400 V IEC 60664-1 |
| Operating position | Any position without derating |
| Connections - terminals | Screw terminals, 1 x 0.5...1 x 4 mm² 20 AWG...11 AWG) solid without cable end, Screw terminals, 2 x 0.5...2 x 2.5 mm² 20 AWG...14 AWG) solid without cable end, Screw terminals, 1 x 0.2...1 x 2.5 mm² 24 AWG...12 AWG) flexible with cable end, Screw terminals, 2 x 0.2...2 x 1.5 mm² 24 AWG...16 AWG) flexible with cable end |
| Tightening torque | 5.3…8.9 lbf.in (0.6…1 N.m) IEC 60947-1 |
| Housing material | Polycarbonate |
| Local signalling | LED (green) for power ON, LED (yellow) for relay ON |
| Mounting support | 35 mm symmetrical DIN rail conforming to IEC 60715 |
| Reliability data | MTTFd = 502.2 years, B10d = 470000 |
| Height | 3.5 in (90 mm), 3.5 in (88.9 mm) |
| Width | 0.7 in (17.5 mm), 0.7 in (17.8 mm) |
| Depth | 2.8 in (72 mm), 2.8 in (71.1 mm) |
| Net Weight | 0.18 lb(US) (0.08 kg), 0.18 lb(US) (0.08 kg) |
| Part number | RM17TA00 |
|---|---|
| Brand | Schneider Electric |
| Condition | New, factory sealed |
| Source | Schneider Electric and its authorised distributors |
| Warranty | Manufacturer warranty |
| Lifecycle status | Active, in production |
| EAN | 3389119405041 |
| Warranty (in months) | 18 |
|---|
| Country of origin | ID |
|---|---|
| Shipping weight | 0.13 kg |
| Ships from | Türkiye |
| Dispatch | 13 Nov |
| Stock | In stock |
Source: manufacturer data · Last verified: 30 Oct 2026
No documents are on file for this part yet.
Ask us for the datasheetThe rated current of RM17TA00 is 5 A.
The rated operational voltage of RM17TA00 is 208–480 V AC.
The tariff (HS) code on file for RM17TA00 is 85364900.
The EAN (GTIN) of RM17TA00 is 3389119405041.
RM17TA00 ships from Türkiye. Shipping calculated at checkout · import duties and taxes paid on arrival. Stock items are dispatched within 1–2 business days.
A function-by-function comparison of Schneider Zelio Control and ABB CM monitoring relays covering three-phase supply, voltage, current, level, temperature, module width, and measurement method.
A step-by-step selection guide for phase and voltage monitoring relays, covering function match, auxiliary supply, threshold setting, output logic, and Schneider vs ABB CM...
How conductive level monitoring relays detect liquid presence, size sensitivity for the medium, and control pump up/down cycles with dry-run protection.