Siemens Overload Relay – 1NO + 1NC, 27 → 32 A F.L.C, 32 A Contact Rating, 15 kW, 3P, SIRIUS Innovation
- RS Stock No.:
- 7061689
- Mfr. Prt No.:
- 3RU2126-4EC0
- Brand:
- Siemens
Technical Reference
Legislation and Compliance
RoHS Certificate of Compliance
EU Directives 2011/65/EU and 2015/863 restrict the use of the 10 substances below in the manufacture of specified types of electrical equipment.
Whilst this restriction does not legally apply to components, it is recognised that component “compliance” is relevant to many customers.
RS definition of RoHS Compliance:
- The product does not contain any of the restricted substances in concentrations and applications banned by the Directive,
- and for components, the product is capable of being worked on at the higher temperatures required by lead–free soldering
The restricted substances and maximum allowed concentrations in the homogenous material are, by weight:
| Substance | Concentration |
| Lead | 0.1% |
| Mercury | 0.1% |
| PBB (Polybrominated Biphenyls) | 0.1% |
| PBDE ( Polybrominated Diphenyl Ethers) | 0.1% |
| Hexavalent Chromium | 0.1% |
| Cadmium | 0.01% |
| DEHP (Bis (2-Ethylhexl) phthalate) | 0.1% |
| BBP (Benzyl butyl phthalate) | 0.1% |
| DBP (Dibutyl phthalate) | 0.1% |
| DIBP (Diisobutyl phthalate) | 0.1% |
The supplier of the item listed below has informed RS Components that the product is "RoHS Compliant".
RS Components has taken all reasonable steps to confirm this statement. Information relates only to products sold on or after the date of this certificate.
| RS stock number | 7061689 |
| Product description | Siemens Overload Relay - 1NO + 1NC, 27 → 32 A F.L.C, 32 A Contact Rating, 15 kW, 3P, SIRIUS Innovation |
| Manufacturer / Brand | Siemens |
| Manufacturer part number | 3RU2126-4EC0 |
RS Components Ltd, Birchington Road, Corby, Northants, NN17 9RS, UK
Statement of Conformity
This statement confirms that the product detailed below complies with the specifications currently published in the RS media and has been subject to the strict quality conditions imposed by RS Components’ internal management systems. Furthermore and where applicable, it confirms that all relevant semiconductor devices have been handled and packed under conditions that meet the administrative and technical requirements of ANSI/ESD S20.20 and EN61340-5-1 electrostatics control standards.
| RS stock number | 7061689 |
| Product description | Siemens Overload Relay - 1NO + 1NC, 27 → 32 A F.L.C, 32 A Contact Rating, 15 kW, 3P, SIRIUS Innovation |
| Manufacturer / Brand | Siemens |
| Manufacturer part number | 3RU2126-4EC0 |
The foregoing information relates to product sold on, or after, the date shown below.
RS COMPONENTS
| Date | May 2, 2024 |
RS Components Pte Ltd Robinson Road, P.O. Box 1582, Singapore 903132
Country of Origin: DE
Product Details
Siemens Sirius Range Contactor & Control Relays
Overload Relay - 3RU range
Note
Screw terminals can only be used with screw terminal overloads and spring terminals can only be used with spring terminal overloads.
APPROVALS : CE, UL, CSA
Switch position indicator and test function
STOP button
Selector switch for manual/automatic reset
Screw connection or Spring-clamp versions
Impulse voltage resistance 6 kV
Insulation voltage 690V
Surface or DIN-rail stand-alone mounts available, see 706-1699 etc
The 3RU21 thermal overload relays up to 80 A have been designed for current-sensitive protection of loads with normal starting.
These thermal overload relays for use with Sirius Size S0 & S00 Contactors
Specifications
| Attribute | Value |
| Brand | Siemens |
| FLC Motor Rating | 27 → 32 A |
| Contact Current Rating | 32 A |
| Range | SIRIUS Innovation |
| Minimum Operating Temperature | -40 °C |
| Number Of Auxiliary Contacts | 2 |
| Normal State Configuration | 1NO + 1NC |
| Pole Configuration | 3P |
| Reset Method | Automatic, Manual |
| Series | 3RU |
| Contact Voltage Rating | 690 V ac |
| Power Rating | 15 kW |
| Mounting Style | Direct Contactor |
| Depth | 73 mm |
| Length | 87 mm |
| Operating Temperature Range | -40 → +70 °C |
| Width | 45 mm |
| Terminal Type | Cage Clamp |
| Maximum Operating Temperature | +70 °C |
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