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Power Pack, 120-347V, 50/60Hz 24VDC, 225mA, w/Auto/ Man

BZ-250-347 Wattstopper
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The BZ-250 power pack switches lighting or plug loads On and Off in response to low voltage control inputs, and provides up to 225mA at 24VDC to power Wattstopper occupancy sensors. It enables Manual-On sequences of operation, as well as HoldOn, Hold-Off and load shed applications when used with lighting control panels or building automation systems. This device is constructed with environmentally friendly materials and is RoHS-compliant.

Voltage 347 VAC
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  • High-efficiency, plenum-rated switching power supply
  • Hold-On and Hold-Off inputs
  • Mechanically held latching relay with selectable power loss operation: On, Off, or last state
  • Load On/Off button to verify wiring
  • Auto-On or Manual-On operation for code compliance
  • Zero crossing and for reliability and increased product life
  • Low voltage over current protection


General Info
Product Line Wattstopper
UPC Number 754182938056
Country Of Origin China
Product Width US 4.0 in
Product Weight US 0.45 lb
Product Volume US 50.6 cu in
Product Depth US 4.6 in
Product Height US 2.75 in


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Questions & Answers

How many ceiling sensors (Wattstopper CI305) can be controlled by one BZ-250 Power Pack?

Asked by: henry
Hi Henry, The BZ-series power packs can supply power to a total of 8 CI-300/305 sensors
Answered by: Tier 1 Tech Support
Date published: 2023-07-10

Can I use a switch model LMRC -101 with a power pack BZ 250?

Asked by: Raymond
The LMRC-101 is a single relay switched room controller that is a member of the Digital Lighting Management product line. It requires Cat5 cables to connect its devices to it. The BZ-250 is switched relay that has low voltage wires for connecting low voltage devices using traditional wiring. What is the application that is asking for both to be used together?
Answered by: Tier 1 Tech Support
Date published: 2021-09-15
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