Part # 0811405143 Model Code: VT-SSPA1-525-20/VONext Day Fittings is an authorized Bosch Rexroth Distributor. If you have any questions about the Bosch Rexroth 0811405143 Amplifier Cards / Modules's technical information or availability please call us at: 844-323-8752Next Day Fittings is an official Bosch Rexroth distributor, we can offer our customers the best pricing and factory lead times. Our trained and knowledgeable staff is always ready to help with any aspect of the Bosch Rexroth product purchasing process. Whether you need assistance from a customer service agent or a product engineering expert, Next Day Fittings is your Bosch Rexroth partner every step of the way.