Pfannenberg – PA 1 10-57DC

The Pfannenberg PA 1 10-57DC is a high-performance industrial sounder designed to provide clear and effective audible warning signals in demanding environments.

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Pfannenberg PA 1 10-57DC Sounder

The Pfannenberg PA 1 10-57DC is a high-performance industrial sounder designed to provide clear and effective audible warning signals in demanding environments. Part of the innovative PATROL range, it combines exceptional acoustic coverage, simple installation, and high efficiency to help operators achieve reliable signalling while reducing the number of devices required.

Furthermore, the PA 1 10-57DC features Pfannenberg’s advanced 3D Coverage technology, which delivers excellent sound distribution and superior penetration of acoustic obstacles. As a result, the sounder can effectively cover large areas and improve warning effectiveness in industrial facilities, warehouses, and process plants.

The Pfannenberg PA 1 10-57DCdesign also simplifies installation by virtually eliminating incorrect mounting and significantly reducing assembly time. In addition, its robust, impact-resistant housing and environmental protection ratings make it suitable for demanding indoor and outdoor applications.

Key Features

Industrial audible warning sounder
Maximum sound output up to 105 dB(A)
Innovative PATROL signalling technology
Advanced 3D Coverage for wider acoustic distribution
Excellent sound penetration through industrial environments
Choice of external tone selection
Multiple alarm tones available
Impact-resistant housing
Designed for fast and simple installation
Low power consumption
Suitable for indoor and outdoor applications
Optional connector version available
NEMA 4 / 4X environmental protection
Approved by CNBOP-PIB
UL listed for Canada and the United States
Certified for EurAsian Conformity (EAC)

Electrical Specifications

Rated Voltage: 12 / 24 / 48 VDC
Operating Range: 10-57 VDC
Nominal Current: 6-80 mA

Certifications

ISO 9001 – ISO 14001
Certificate of Hamburg Town
DNV GL
UKCA
UL
EN 54-3
EN 54-23
MED
CE
NEMA
EAC
VdS
Acoustic Coverage

Coverage area depending on required sound level:

80 dB(A): 16 × 13.8 × 16 m
85 dB(A): 9 × 7.8 × 9 m

Sound pressure level	105 dB(A)
Sound pressure level @ DIN-tone	104 dB(A)
Sound level reduction	max. –12 dB via potentiometer
Alarm tones	80 / 4 ext. selectable
Operating temperature	–40 °C … +55 °C
Storage temperature	–40 °C … +70 °C
Relative humidity	90%
Protection system according to EN 60529	IP 66 (EN 60529), NEMA Type 4 & 4x
Protection class	II
Duty cycle	100 %
Material	PC / ABS blend similar to RAL 3000 (flame red) \| RAL 7035 (light grey) \| RAL 9003 (signal white)
Cable entry	3x M20 knock-outs on side, 1 knock-out on back
Integrated seal with cable entry	7–13 mm (feed-through grommet)
Connecting terminals	0.14 – 2.5mm² fine stranded / AWG24 – AWG 14

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