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Power Pack, 120-277V, 50/60Hz, 24VDC, 225mA, w/Auto-On/Manual-On

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The BZ-150 Universal Voltage Power Pack can provide 24 VDC operating voltage to Wattstopper’s lowvoltage occupancy sensors. In addition, the BZ-150 enables manual-on, hold-on, hold-off and load shed applications when used with lighting control panels or building management systems. This device is constructed with environmentally friendly materials and is RoHS-compliant.

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  • Self-contained power supply relay system
  • Efficient switching power supply providing optimized current output based on number of sensors
  • LED indicates status of relay or if there is a low-voltage overcurrent
  • Hold-on and hold-off inputs integrate with BMS, lighting control panels & other building systems
  • Integrates with low-voltage momentary switch to control any 24VDC occupancy sensor
  • The product meets the materials restrictions of RoHS
  • Provides auto-on or manual-on field-selectable operating mode


General Info
Product Line Wattstopper
UPC Number 754182922918
Country Of Origin China
Application Sector Commercial
Warranty Type 5-Year
Product Width US 3.0 in
Product Weight US 0.35 lb
Product Volume US 28.12 cu in
Product Depth US 3.75 in
Product Height US 2.5 in
Additional Information
RoHS Conformant Yes This product meets the material restrictions of Article 4 of the RoHS Directive (2011/65/EU), including Commission Delegated Directive 2015/863.
DesignLights Consortium Qualified System Yes
Security   Yes This product is ioXt certified
Technical Information
Amperage 20 A
Voltage 120/277 V
Connection Type Wired


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Questions & Answers

How many HB300BL3 could you operate using only 1 of the BZ150 power pack.

Asked by: Tony
Hello Tony, The BZ series power packs can operate a total of up to 15 HB-300B-L3s in parallel.
Answered by: Justin
Date published: 2024-05-08

Can I install 2 lvsw 101 on 1 bz150 with 3 ci300 sensors and how would I wire that ? Thanks

Asked by: Tom697
Hi Tom, Yes, multiple switches can be wired in parallel also multiple sensors can be hooked up in parallel to a BZ power pack. Follow the wiring diagram included with the product and hook up additional switches and sensors devices in parallel from there.
Answered by: Tier 1 Tech Support
Date published: 2024-02-15

Would this be an alternative or replacement for ILC TR277?

Asked by: Cory
Hi Cory, Yes, It would be a good alternative. Please refer to the installation guide for proper wiring instructions.
Answered by: Tier 1 Tech Support
Date published: 2023-06-29

The BZ -150 and DT-300 were recently specified for plug / receptacle control on a project we are bidding. Can you confirm if this is rated for receptacle loads ? ( 20 amp max) .

Asked by: Al Vito
Hi Al, The BZ-150 power pack is rated for up to a 20-amp load rating.
Answered by: Tier 1 Tech Support
Date published: 2023-03-14

Can you Dim LED fixtures using 0-10 volts with a BZ-150. BAS will be dimming fixtures at off hours at a certain percentage.

Asked by: Anonymous
Hello, Please feel free to give Technical Support a call to further discuss your configuration. legrand Contact information: Phone #: 844-957-3783 - Option 1, followed by option 2 for Technical Support. Monday - Friday | 8:00am - 6:00pm Eastern Standard Time (excluding holidays) Best Regards, Technical Support
Answered by: Justin
Date published: 2024-03-24

How many ceiling mounted occupancy sensors DT-300 will one power pack BZ-150 operate

Asked by: Grapeape
You can have up to 4 DT300 ceiling sensors, per power pack.
Answered by: Legrand Technical Support
Date published: 2024-01-26

Can 2 power packs control 1 sensor?

Asked by: Seab
Yes, attached below is a wiring diagram showing one sensor and up to 3 power packs being used.
Answered by: Legrand Technical Support
Date published: 2023-08-17

Can this be installed in a junction box and still be under warrantee?

Asked by: Martha Compitello
Yes you can install a BZ-150 in a junction box
Answered by: Tier 1 Tech Support
Date published: 2022-04-13
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