RM4TA32
Schneider Electric Harmony Relay three-phase network control relay RM4-T, range 380..500 V.
Show Specifications
Main Characteristics
| Lifecycle status | Discontinued by the manufacturer |
|---|---|
| Range of Product | Harmony Relay |
| Relay Type | Control relay |
| Product or Component Type | Industrial measurement and control relays |
| Relay name | RM4-T |
| Relay monitored parameters | Phase sequence; Phase failure detection; Asymmetry |
| Contacts type and composition | 2 C/O |
| Poles description | 3P |
| Product Specific Application | For 3-phase supply |
Technical Data
| Supply frequency | 50/60 Hz +/- 5 % |
|---|---|
| Maximum measuring cycle | 80 ms |
| Hysteresis | 50 % fixed asymmetry percentage |
| Adjustment of asymmetry threshold | 5...15 % |
| Setting accuracy of the switching threshold | +/-3 % |
| Switching threshold drift | <= 0.06 % per degree centigrade depending permissible ambient air temperature; <= 0.5 % within the measuring range |
| Time delay type | Adjustable 0.1...10 s |
| Setting accuracy of time delay | 10 % |
| Output contacts | 2 C/O |
| Maximum switching voltage | 440 V AC |
| Mechanical durability | 30000000 cycles |
| [Ie] rated operational current | 2 A 158 °F (70 °C) 24 V DC-13 IEC 60947-5-1/1991; 2 A 158 °F (70 °C) 24 V DC-13 VDE 0660; 3 A 158 °F (70 °C) 115 V AC-15 IEC 60947-5-1/1991; 3 A 158 °F (70 °C) 115 V AC-15 VDE 0660; 3 A 158 °F (70 °C) 24 V AC-15 IEC 60947-5-1/1991; 3 A 158 °F (70 °C) 24 V AC-15 VDE 0660; 3 A 158 °F (70 °C) 250 V AC-15 IEC 60947-5-1/1991; 3 A 158 °F (70 °C) 250 V AC-15 VDE 0660; 0.1 A 158 °F (70 °C) 250 V DC-13 IEC 60947-5-1/1991; 0.1 A 158 °F (70 °C) 250 V DC-13 VDE 0660; 0.3 A 158 °F (70 °C) 115 V DC-13 IEC 60947-5-1/1991; 0.3 A 158 °F (70 °C) 115 V DC-13 VDE 0660 |
| Time delay drift | <= 0.07 % per degree centigrade depending on the rated operational temperature; <= 0.5 % within the measuring range |
| [Ith] conventional free air thermal current | 8 A |
| Switching capacity in mA | 10 mA 12 V |
| Switching voltage | 250 V AC |
| Contacts material | 90/10 silver nickel contacts |
| Number of cables | 2 |
| Terminals description ISO n°1 | (25-26-28)OC; (L1-L2-L3)CO; (15-16-18)OC |
| Output relay state | Tripped, fault present |
| 9 mm pitches | 2.5 |
| Time delay on de-energisation | 0.1…10 s |
Environment & Certifications
| Electromagnetic compatibility | Electrostatic discharge - test level: 6 kV level 3 (contact discharge) conforming to IEC 61000-4-2; Electrostatic discharge - test level: 8 kV level 3 (air discharge) conforming to IEC 61000-4-2; Resistance to electrostatic discharge - test level: 6 kV (contact) conforming to IEC 61000-4-2 level 3; Resistance to electrostatic discharge - test level: 8 kV (air) conforming to IEC 61000-4-2 level 3 |
|---|---|
| Standards | EN/IEC 60255-6 |
| Product Certifications | UL; CSA; GL |
| Marking | CE |
| Directives | 73/23/EEC - low voltage directive; 89/336/EEC - electromagnetic compatibility |
| Ambient Air Temperature for Storage | -40…185 °F (-40…85 °C) |
| Ambient air temperature for operation | -4…149 °F (-20…65 °C) |
| Relative humidity | 15…85 % 3K3 IEC 60721-3-3 |
| IP degree of protection | IP20 IEC 60529 terminals); IP50 IEC 60529 casing) |
| Pollution degree | 3 IEC 60664-1 |
| Overvoltage category | III conforming to IEC 60664-1 |
| Dielectric test voltage | 2.5 kV |
| [Ui] rated insulation voltage | 500 V IEC |
| Operating position | Any position without derating |
| Connections - terminals | Screw terminals, 2 x 1.5 mm²flexible with cable end; Screw terminals, 2 x 2.5 mm²flexible without cable end |
| Tightening torque | 5.3…9.7 lbf.in (0.6…1.1 N.m) |
| Height | 3.07 in (78 mm) |
| Width | 0.9 in (22.5 mm) |
| Depth | 3.1 in (80 mm) |
| Net Weight | 0.24 lb(US) (0.11 kg) |
| Non-dissipating shock wave | 4.8 kV |
| Resistance to electrostatic discharge | 6 kV contact IEC 61000-4-2 level 3; 8 kV air IEC 61000-4-2 level 3 |
| Resistance to electromagnetic fields | 9.1 V/m (10 V/m) IEC 61000-4-3 level 3 |
| Resistance to fast transients | 2 kV IEC 61000-4-4 level 3 |
| Disturbance radiated/conducted | CISPR 22 - class A; CISPR 11 group 1 - class A |
Packaging & Logistics
| Nbr. of units in pkg. | 1 |
|---|---|
| GTIN | 00785901481621 |
| Country of origin | ID |
Warranty
| Warranty (in months) | 18 |
|---|
Pairs well with
Worldwide delivery, dispatched from Erbil
Technical support before and after you order
Genuine parts from authorised manufacturers
Obsolete and hard-to-find items sourced
RM4TA32
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
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Shipping
We ship worldwide from our warehouse in Erbil, Iraq, and deliver across Baghdad and all governorates. Stocked lines dispatch quickly; items sourced to order have their lead time confirmed in writing with your quote.
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Technical support
Not sure which part you need, or whether an alternative is compatible? Send us the part number, the equipment it goes into, or a photo of the nameplate and our team will confirm the correct item before you order.
WhatsApp +964 781 287 9696 or sales@alnajahpower.com.
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Pricing and quotes
Prices are not shown online because they depend on quantity, specification and current availability. Add the items you need to your quote list and send it — we reply within one business day with pricing and lead time.
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Contact us
Alnajah Power
Makhmur Str. 83, Erbil 44020, IraqPhone / WhatsApp: +964 781 287 9696
sales@alnajahpower.comSaturday to Thursday, 09:00 – 18:00.
FAQs
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Do you supply genuine products?
We supply genuine industrial automation and electrical products from leading manufacturers including Siemens, ABB, Schneider Electric, Phoenix Contact, and Eaton. Product authenticity and quality are our priority.
Can I request a quotation?
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Do you ship internationally?
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Can you source obsolete or hard-to-find parts?
Yes. We specialize in sourcing discontinued, obsolete, and difficult-to-find industrial automation components through our global supplier network.
What industries do you serve?
We support customers in manufacturing, oil & gas, energy, utilities, water treatment, infrastructure, and industrial automation sectors.