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

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Models & Specifications

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.

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.