LZSA-1000-3 Foxboro Power Supply Modules

Foxboro LZSA-1000-3 I/A Series 24 VDC DCS Power Supply Module

Foxboro LZSA-1000-3 I/A Series 24 VDC DCS Power Supply Module

Availability: 10 left in stock

Foxboro LZSA-1000-3 I/A Series Power Supply Module Configured for continuous DC power stabilization and current distribution in I/A Series DCS...

SKU: LZSA-1000-3

Manufacturer: Foxboro
Product No.: LZSA-1000-3
Product Type: Power Supply Modules
Product Origin: USA
Payment:T/T, Western Union
Weight: 3800g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Foxboro LZSA-1000-3 I/A Series Power Supply Module

Configured for continuous DC power stabilization and current distribution in I/A Series DCS networks, the Foxboro LZSA-1000-3 (LZSA-1000-3 Power Supply Module) provides direct physical/electrical execution. Manufactured by TDK-Lambda for Foxboro architectures, the unit delivers regulated 24 VDC output power directly to system baseplates, control processors, and field instrument loops. The assembly incorporates internal protection circuitry and load-sharing capability to sustain stable voltage output under fluctuating inductive and capacitive field load conditions.

Hardware Specifications

Parameter	Specification
Model	LZSA-1000-3
Brand	Foxboro
Origin	China
Weight	3.8 kg
Dimensions	14.35 cm x 12.07 cm x 26.37 cm
Operating Temp	-40 to +71 deg C
Power Consumption	1000 W Output Capacity Class
Nominal Output Voltage	24 VDC
Redundancy Architecture	N+1 Parallel Load Sharing Support
Status Diagnostics	Front Panel LEDs for Output OK and Over-Temperature
Cabinet Enclosure Mounting	Panel / Baseplate Frame Mount
Protection Features	Over-Current, Over-Voltage, Thermal Shutdown

Process Control & Power Rail Performance

The power supply maintains continuous galvanic isolation between AC line inputs and downstream DC system buses, preventing primary mains noise from degrading sensitive 4-20 mA HART loop protocol signals. Low output ripple characteristics reduce electromagnetic interferences across adjacent analog fieldbus modules and DCS backplane lanes. The N+1 parallel configuration topology balances current output across redundant supply units, enabling live fail-safe state execution without dropping system voltage during individual power component faults.

Frequently Asked Questions

Q: Does the LZSA-1000-3 support hot-swapping in redundant power configurations?

A: Yes. When wired in an N+1 parallel configuration with decoupling diodes, technicians can replace a failed power supply module without de-energizing the main 24 VDC system bus or disrupting controller operations.

Q: How does the unit signal operational fault conditions locally?

A: The front panel includes dedicated LED status indicators that display "Output OK" for normal voltage output and illuminate warning indicators during over-temperature or thermal overload conditions.

Q: What environmental thermal limits apply during continuous full-load operation?

A: The power supply is rated for operation from -40 to +71 deg C, though proper enclosure airflow spacing must be maintained inside the cabinet to prevent thermal derating at elevated ambient temperatures.

Field Installation Guidelines

Mount the unit vertically within an industrial enclosure using the designated mounting chassis to facilitate natural convection cooling across the heat sink. Maintain a minimum clear space of 50 mm above and below the module to prevent thermal throttling. Route incoming AC mains power wiring away from low-voltage 24 VDC output distribution cables inside cabinet channels.

Connect the main earth ground conductor directly to the protective grounding stud before applying input power. When integrating the module into an N+1 redundant configuration, verify that all parallel supply units share identical conductor lengths to the primary bus bar to ensure equal current distribution. Periodically clean dust accumulation from external ventilation slots to ensure unhindered heat dissipation.

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Our production line was down due to a faulty Bently Nevada monitor. We found it in stock here and they shipped it via DHL immediately. Back in operation within 48 hours—truly a lifesaver for our plant.

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Maintenance Manager, USA

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Finding brand new, original modules is critical for our safety. This team delivers factory-fresh components with full certification. Their commitment to only selling new products makes them our most trusted partner.

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Engineering Lead, Germany

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We have sourced Honeywell and Schneider parts here for two years. Every shipment arrives well-packaged with original factory seals intact. Clear communication and the best lead times in the industry.