Call us 310-542-2320 info@varedan.com Home Products Servo Amplifier Sizing & Tools Company News Contact Us Power Supplies & Transformers DC Power Supplies Varedan has DC Power Supplies up to 1KW which include the internal step-down isolation transformer. Varedan also has DC Power Supplies that accept external single phase or three phase step down isolation transformer inputs for up to 45KW of peak power. Standard Models VPS Series Power Supply Internal Step-Down Transformer? Internal ±15VDC Amplifier Bias Supply? # of Amplifiers Supported Maximum Continuous Power Bus ±VDC/Peak Current VPS-LA-500VA Yes Yes 2 500W ±35VDC - ±70VDC/25A VPS-LA-1KVA Yes Yes 2 1000W ±35VDC - ±70VDC/25A VPS-LA2A No Yes 2 1000W Dependent on external transformer ±150VDC Max./25A VPS-LA4A No Yes 4 2000W Dependent on external transformer ±150VDC Max./25A VPS-LAHP-2A No Yes 2 3000W Dependent on external transformer ±150VDC Max./55A VPS-LAHP-4A No Yes 4 4000W Dependent on external transformer ±150VDC Max./55A AC Step Down Transformers Standard AC step down isolation transformers to convert Mains Voltages to the lower voltages required by linear amplifiers are available. Varedan supplies both single phase and three phase transformers. Single phase transformers are available at 1 and 2 KVA. Three phase transformers are available at 3, 6 and 9 KVA. Standard Models VTR Transformers Single or 3Φ Input Voltage Output Voltage Maximum Power VTR-020-001 1Φ 120/240VAC 50/60Hz 28/72VCT (±40VDC or ±100VDC w/ Varedan Power Supply) 1KVA VTR-012-001 1Φ 120/240VAC 50/60Hz 35/50VCT (±50VDC or ±70VDC w/ Varedan Power Supply) 2KVA VTR-017-001 3Φ 208/220/240/480VAC 50/60Hz 61VAC/122VAC/171VAC (±50VDC, ±100VDC,±140VDC w/ Varedan Power Supply) 3KVA VTR-018-001 3Φ 208/220/240/480VAC 50/60Hz 61VAC/122VAC/171VAC (±50VDC, ±100VDC,±140VDC w/ Varedan Power Supply) 6KVA VTR-019-001 3Φ 208/220/240/480VAC 50/60Hz 61VAC/122VAC/171VAC (±50VDC, ±100VDC,±140VDC w/ Varedan Power Supply) 9KVA * Transformers with non-standard secondary voltages are also available. Request Application Assistance Tell us about your application so we can help you select the right solution. Please use this fillable PDF form to guide you through the information about your application that we need to properly size and select an amplifier for your application. Please also see out Amplifier Sizing & Tools page for sizing calculators, white papers and other tools. Models & Specifications Power Supplies Transformers Model Installation Drawing STEP File VPS-LA-500VA Series 500VA Stand-Alone Linear Amplifier Power Supply - internal step down isolation transformer included. 120/240VAC 50/60Hz input. Outputs*: +/-60VDC amplifier bus (10A continuous/25A Peak - Total continuous output power should not exceed 500VA), +/-15VDC amplifier bias, AC for amplifier fans. Supports up to 2 amplifiers. *Consult factory for other bus voltages. VPS-LA-1KVA Series 1KVA Stand-Alone Linear Amplifier Power Supply - internal step down isolation transformer included. 120/240VAC 50/60Hz input. Outputs*: +/-60VDC amplifier bus (10A continuous/25A Peak - Total continuous output power should not exceed 1KVA), +/-15VDC amplifier bias, AC for amplifier fans. Supports up to 2 amplifiers. *Consult factory for other bus voltages. VPS-LA2A Series 2-Axis Linear Amplifier Power Supply - requires external single or three-phase center tapped isolation step down transformer. Inputs: 120/240VAC 50/60Hz @2A for powering +/-15VDC bias supply & amplifier fans, single or three-phase from secondary of center tapped isolation step down transformer for generating amplifier bus. Outputs*: +/-VDC amplifier bus (10A continuous/25A Peak for each amplifier output), +/-15VDC amplifier bias, AC for amplifier fans. Supports up to 2 amplifiers. *Amplifier bus voltage is dependent on the transformer selected. VPS-LA4A Series 4Axis Linear Amplifier Power Supply - requires external single or three-phase center tapped isolation step down transformer. Inputs: 120/240VAC 50/60Hz @2A for powering +/-15VDC bias supply & amplifier fans, single or three-phase from secondary of center tapped isolation step down transformer for generating amplifier bus. Outputs*: +/-VDC amplifier bus (10A continuous/25A Peak for each amplifier output), +/-15VDC amplifier bias, AC for amplifier fans. Supports up to 4 amplifiers. *Amplifier bus voltage is dependent on the transformer selected. VPS-LAHP-2A Series 2Axis High Power Linear Amplifier Power Supply - requires external single or three-phase center tapped isolation step down transformer. Inputs: 120/240VAC 50/60Hz @2A for powering +/-15VDC bias supply & amplifier fans, single or three-phase from secondary of center tapped isolation step down transformer for generating amplifier bus. Outputs*: +/-VDC amplifier bus (30A continuous/55A Peak for each amplifier output), +/-15VDC amplifier bias, AC for amplifier fans. Supports up to 2 amplifiers. *Amplifier bus voltage is dependent on the transformer selected. VPS-LAHP-4A Series 4Axis High Power Linear Amplifier Power Supply - requires external single or three-phase center tapped isolation step down transformer. Inputs: 120/240VAC 50/60Hz @2A for powering +/-15VDC bias supply & amplifier fans, single or three-phase from secondary of center tapped isolation step down transformer for generating amplifier bus. Outputs*: +/-VDC amplifier bus (30A continuous/55A Peak for each amplifier output), +/-15VDC amplifier bias, AC for amplifier fans. Supports up to 4 amplifiers. *Amplifier bus voltage is dependent on the transformer selected. Let our knowledgeable staff help you with your motion control needs CONTACT US TODAY! Varedan Technologies 3860 Del Amo Blvd., Suite 401 Torrance, CA 90503 310.542.2320 310.542.2344 info@varedan.com varedan © 2019 · Varedan Technologies Home Products Servo Amplifier Sizing & Tools Company News Contact Us