Bourns, 1250 Surge Arrester 415 V ac Maximum Voltage Rating 50kA Maximum Surge Current 2 Pole Protector
- RS Stock No.:
- 7858130
- Mfr. Prt No.:
- 1250-2S-230
- Brand:
- Bourns
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 | 7858130 |
| Product description | Bourns, 1250 Surge Arrester 415 V ac Maximum Voltage Rating 50kA Maximum Surge Current 2 Pole Protector |
| Manufacturer / Brand | Bourns |
| Manufacturer part number | 1250-2S-230 |
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 | 7858130 |
| Product description | Bourns, 1250 Surge Arrester 415 V ac Maximum Voltage Rating 50kA Maximum Surge Current 2 Pole Protector |
| Manufacturer / Brand | Bourns |
| Manufacturer part number | 1250-2S-230 |
The foregoing information relates to product sold on, or after, the date shown below.
RS COMPONENTS
| Date | Apr 20, 2024 |
RS Components Pte Ltd Robinson Road, P.O. Box 1582, Singapore 903132
Country of Origin: CN
Product Details
Surge Protection Devices, SPDs (DIN-rail)
Voltage surges, often referred to as spikes or transients are typically caused by switching of fluorescent lights, fuses blowing or nearby lightning activity. The worst voltage spikes are usually caused by lightning strikes and can reach up to 6000V, with current surges of over 3000A. The maximum size of the let-through voltage and current inrush depends on the location within the building's wiring system. BS7671: 2011 Amendment 1 Sections 443 and 534 cover risk assessment and provides guidance on protection of electronic equipment for installation engineers to follow. The fullest information on lightning and surge protection comes from the BSEN 62305 series of standards.
Bourns 1250 series Surge Protection Devices
50 kA max. discharge current rating
Multi-pole uni-block design
DIN Rail mountable
UL 60691 compliant integrated thermal disconnect
Visual fault indicator
Remote signalling capability
Compact design ideal for limited spaces
Specifications
| Attribute | Value |
| Brand | Bourns |
| Maximum Voltage Rating | 415 V ac |
| Length | 36 mm |
| Series | 1250 |
| Mounting Type | DIN Rail |
| Height | 90 mm |
| Dimensions | 36 x 67 x 90 mm |
| Suppressor Type | 2 Pole Protector |
| Maximum Operating Temperature | +85 °C |
| Depth | 67 mm |
| Minimum Operating Temperature | -50 °C |
| Maximum Surge Current | 50 kA |
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