ABB Voltage Monitoring Relay With DPDT Contacts, 1 Phase, Overvoltage, Undervoltage
- RS Stock No.:
- 7757955
- Mfr. Prt No.:
- 1SVR730830R0400 CM-ESS.2S
- Brand:
- ABB
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 | 7757955 |
| Product description | ABB Voltage Monitoring Relay With DPDT Contacts, 1 Phase, Overvoltage, Undervoltage |
| Manufacturer / Brand | ABB |
| Manufacturer part number | 1SVR730830R0400 CM-ESS.2S |
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 | 7757955 |
| Product description | ABB Voltage Monitoring Relay With DPDT Contacts, 1 Phase, Overvoltage, Undervoltage |
| Manufacturer / Brand | ABB |
| Manufacturer part number | 1SVR730830R0400 CM-ESS.2S |
The foregoing information relates to product sold on, or after, the date shown below.
RS COMPONENTS
| Date | Nov 8, 2024 |
RS Components Pte Ltd Robinson Road, P.O. Box 1582, Singapore 903132
Country of Origin: DE
Product Details
CM-ESS Voltage Monitoring Relay - Single Phase AC/DC
Depending on the configuration, the voltage monitoring relays CM-ESS.1 and CM-ESS.2 can be used for over- or undervoltage monitoring in single-phase AC and/or DC systems. The voltage to be monitored (measured value) is applied to terminals B-C. The devices work according the open-circuit principle.
If the measured value exceeds resp. drops below the adjusted threshold value, the output relay(s) energize(s): on the CM-ESS.1 immediately, on the CM-ESS.2 after the set tripping delay TV. If the measured value exceeds resp. drops below the threshold value plus resp. minus the adjusted hysteresis, the output relay(s) de-energize(s).
Monitoring of DC- and AC-voltages from 3-600V
RMS measuring principle
One device includes 4 measuring ranges: 3-30V, 6-60V, 30-300V, 60-600V
Over- and undervoltage monitoring configurable
Hysteresis adjustable from 3-30%
Tripping delay TV adjustable 0; 0.1-30s
3 supply voltage versions
2 c/o contacts
22.5mm width
3 LED's for status indication
Specifications
| Attribute | Value |
| Brand | ABB |
| Minimum Operating Temperature | -20 °C |
| Width | 22.5 mm |
| Maximum Operating Temperature | +60 °C |
| Voltage Sensitivity | Overvoltage, Undervoltage |
| Dimensions | 103.7 x 22.5 x 85.6 mm |
| Electrical Phase | 1 |
| Maximum Voltage Sensed | 30 V, 60 V, 300 V, 600 V |
| Height | 85.6 mm |
| Time Delay | 0 s, 0.1 → 30 s |
| Length | 103.7 mm |
| Monitoring Application | Voltage |
| Contact Configuration | DPDT |
| Operating Temperature Range | -20 → +60 °C |
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