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BMS15.18

Product catalog summary

General Information
The BMS contactor is a high-performance component designed for electric traction vehicles, modernized by Sécheron to meet current standards. It offers modularity and customization options, usable as a standalone contactor or with a pre-charging contactor (PCC18).

Applications
Suitable for locomotives, trains, DC power traction substations, and industrial applications.

Main Features

Rated operation voltage: 900 VDC or 1800 VDC/AC
Thermal current up to 1800 A
Normally open and bi-directional
Minimum of 1 million mechanical operations
Various arc chute designs
Low maintenance and compact size
Operates in temperatures from -40°C to +70°C
Complies with IEC60077-1/-2, IEC61373, NF-F16 101/-102 standards

Contactor Configurations
Available configurations based on voltage and current requirements, with options for pre-charging contactors and auxiliary contacts.

Product Selection Data
Includes detailed specifications for various BMS models, such as rated operational voltage, insulation voltage, thermal current, and operational frequency.

Operating Conditions

Indoor installation
Altitude below 1400 meters
Humidity class 5K2
Pollution degree PD3A

Integration and Options
Options include integrated pre-charging contactors and various auxiliary contact configurations, customizable for specific applications.

Dimensions and Installation
Dimensions provided for integration, with specific mounting and connection instructions, including diagrams for control circuits and integration options.

Specification Overview
1. Switch Types: Various configurations, including silver and gold types with different auxiliary contacts.
2. Auxiliary Contacts: Options include configurations such as 1a + 1b and 2a + 2b with silver or gold types.
3. Application Types: Configurable for DC or AC applications.

Ordering Instructions
1. Use the latest brochure from the Secheron website for the correct designation code.
2. The designation code must be a complete 15-character alphanumeric sequence.
3. Verify configurations with Secheron as some variants and options may not be combinable.
4. Contact Secheron for configurations not listed.

Example
An example designation code is provided to illustrate specifying a device type using bold characters in the code.

Catalog excerpts

High power contactor Type BMS09.15 / BMS18.15 BMS09.18 / BMS18.18

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General information The BMS contactor, with other 100’000 units in operation worldwide, has always been a contactor valued by the car builders and operators of electric traction vehicles for its strong performance level and its extremely high reliability. variants and options that enable our customers to find the most appropriate version to fit their application, either as a stand-alone contactor, or delivered coupled with a Sécheron dedicated pre-charging contactor type PCC18. Power contactor modules, convenient to order and easy to install, are a frequent wish of our customers. Sécheron brings...

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Data for product selection Symbol Unit MAIN HIGH VOLTAGE CIRCUIT 900 900 1’800 Rated operational voltage Ue [VDC ] 1’800 Ue [VAC ] 2’300 2’300 2’300 Rated insulation voltage Ui [VDC ] 2’300 Ui [VAC ] 1’500 1’800 1’500 1’800 1’500 1’800 1’500 1’800 Conventional free air thermal current (1) Ith [A] Rated operational current/ Electrical operational frequency 1’500/C1 1’800/C1 1’500/C1 1’800/C1 1’500/C1 1’800/C1 1’500/C1 1’800/C1 - dc current, τ = 15 ms Ie [A] - ac current, cos Φ = 0.8 1’500/C2 1’800/C2 (16.7, 25 & 50/60 Hz) Ie [A] 15 / 100 Rated short-time withstand current Icm / t [kA]/[ms] 20...

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Information for product integration Dimensions without tolerances are indicative. All dimensions are in mm. The maximum allowed flatness deviation of the support frame is 0.5 mm. LV connectors (BMS control) : Wago terminal LV connectors (BMS auxiliary switches) : M3 screws Earth connections : M6 screws Main dimensions

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WAGO minal

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Insulation distances Insulating distances table (mm) With earthed wall With insulating wall A B C D A B C D Arc chute removal distance (mm) Low voltage control diagram for BMSxx.15 and BMSxx.18 Legend : Sécheron’s scope : Customer’s scope : Low voltage interface : Coil controller (1) Un : power supply dc UEF : Control voltage (1) k0 : Supply relay k1 : Control relay Control voltage (UEF) can be different from supply voltage (Un).

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Options (subject to additional costs) Integrated pre-charging contactor (PCC18) Main dimensions All dimensions are in mm. The maximum allowed flatness deviation of the support frame is 0.5 mm. LV connections (PCC18 auxiliary switches) : M3 screws HV connections (PCC18) : M6 screw Earth connection : Through BMS LV connections (PCC18’s coil) WAGO terminals : HV The drawings hereabove represent the PCC18 when mounted on any BMS..15/18 versions. The other dimensions of the BMS..15/18 indicated in page 4, 5 and 6 remain valid. Control diagram 5 : Sécheron’s scope : Customer’s scope : Low voltage WAGO...

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Designation code for ordering • Be sure to establish the designation code from the latest version of our brochure by downloading it from the website: www.secheron.com • Be careful to write down the complete alphanumerical designation code with 15 characters when placing your order. • For technical reasons some variants and options indicated in the designation code might not be combined. • For other configurations not described in the brochure, please contact Secheron. Example of customer’s choice: Line: The bold characters of the designation code define the device type. Designation code (options...

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