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

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...

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...

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

WAGO minal

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).

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...

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...