Bosch SP4Z-B Specsheet

Fire Alarm Systems | SP4Z‑A/B Supervised Speaker Audio Splitter

SP4Z‑A/B Supervised Speaker Audio
Splitter

Expands one zone to two Class A zones or four Class B

▶

zones

Operates at either 25 V or 70.7 V

▶

Provides power‑limited output circuitry

▶

Mounts inside the system enclosure

▶

The Cooper Wheelock SAFEPATH4 SP4Z‑A/B is a supervised
two‑zone Class A or four‑zone Class B speaker audio
splitter. It enables a single supervised speaker audio output
to control up to two Class A supervised speaker audio
outputs or up to four Class B supervised speaker audio
outputs.

Certifications and Approvals

Cooper Wheelock, Inc. holds these Listings and Approvals:

Region Certification

USA UL UCST: Audible Signal Appliances, General

Siganal (UL464)

CSFM 6911-0785: 157

ADA Complies with Americans with Disabilities

Act

OSHA Complies with Occupational Safety and

Health Administration OSHA 1910.165

Installation/Configuration Notes

Compatibility Information

The SP4Z‑A/B Supervised Speaker Audio Splitter is
compatible with the SP40/2 or SP40S, the SPB‑80/4, the
SPB‑160, and the SPB‑320.

Mounting Considerations

The splitter mounts inside the system enclosures as
follows:

One SP4Z‑A/B mounts inside the SP40/2 or SP40S

•

enclosure, connected to the backplane in the upper
right-hand corner.
One SP4Z‑A/B mounts on an SPMB4Z Splitter Mounting

•

Bracket, connected over the power supply inside the
SPB‑80/4 enclosure.
Two SP4Z‑A/Bs mount on an SPMB4Z Splitter Mounting

•

Bracket, connected over the power supply inside the
SPB‑160 enclosure.
Four SP4Z‑A/Bs mount on two SPMB4Z Splitter

•

Mounting Brackets, connected over the power supplies
inside the SPB‑320 enclosure.

Note When the SP4Z‑A/B is mounted in an SP40/2

or SP40S enclosure, the four‑wire mode
cannot be used.

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2 | SP4Z‑A/B Supervised Speaker Audio Splitter

Wiring Considerations

The terminals accept wiring from 12 AWG (2.3 mm) to
22 AWG (0.8 mm).

Note A single splitter can be set for either Class A or

Class B operation, but not both.

Note A UL Listed end‑of‑line resistor (10 kΩ, 0.5 W)

must be placed on each unused zone to
prevent an open trouble condition.

Parts Included

Quant. Component

1 Splitter

1 Hardware pack

1 Literature pack

Technical Specifications

Class A Circuit Specifications

Current (alarm and standby): 15 mA at 24 VDC

Output Power (per zone): 40 W

Voltage (audio output): 24 VDC

Voltage (operating): 25.0 V or 70.7 V

Class B Circuit Specifications

Ordering Information

SP4Z‑A/B Supervised Speaker Audio
Splitter

Supervised two‑zone Class A or four‑zone
Class B speaker audio splitter

Accessories

SPMB4Z Speaker Splitter Mounting
Bracket

Supports two audio splitters

SP4Z-A/B

SPMB4Z

Current (alarm and standby): 15 mA at 24 VDC

Output Power (per zone): 20 W

Voltage (audio output): 24 VDC

Voltage (operating): 25.0 V or 70.7 V

Trademarks

Trademark names are used throughout this document. In
most cases, these designations are claimed as trademarks
or registered trademarks in one or more countries by their
respective owners. Rather than placing a trademark symbol
in every occurrence of a trademark name, Bosch Security
Systems, Inc. uses the names only in an editorial fashion
and to the benefit of the trademark owner with no intention
of infringing the trademark.

SAFEPATH is a registered trademark of Cooper Wheelock, Inc.

Americas:

Bosch Security Systems, Inc.
130 Perinton Parkway
Fairport, New York, 14450, USA
Phone: [phone]
Fax: [phone]
[e-mail]
www.boschsecurity.us

Europe, Middle East, Africa:

Bosch Security Systems B.V.
P.O. Box 80002
5600 JB Eindhoven, The Netherlands
Phone: + 31 40 2577 284
Fax: [phone]
[e-mail]
www.boschsecurity.com

Asia-Pacific:

Robert Bosch (SEA) Pte Ltd, Security Systems
11 Bishan Street 21
Singapore 573943
Phone: [phone]
Fax: [phone]
[e-mail]
www.boschsecurity.com

Represented by

© Bosch Security Systems Inc. 2010 | Data subject to change without notice
T2035140363 | Cur: en-US, V6, 4 Jul 2010