Signal Devices from crack-it
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Signal Devices from Crack-IT
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Crack IT WK 971 AP 230 incl SAR Bundle
Additional electro-mechanical signaling device for Telefonbetrieb.Durch the electromechanical system very loud Signalisierung.FUNKTIONElektromechanischer AussenweckerWK 971 - two-tone sound-polarity ... Lieske Part No.: 468672 Mfg Part No: 1-509.15.1.11 |
139,97 EUR
 ≈ £120.79 | ≈ $162.93 plus delivery charges
Delivery time from supplier's stock (ca.) 6 workdaysinfo_outline
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Crack-IT 955 WK AP Ringing TA
Electronic Second alarm for interiors, three-tone Folgeruf, volume control, frequency control, Visual call indicator, plastic body, volume control 0-92 dB Colour: RAL 1013 * integrator Lieske Part No.: 320235 Mfg Part No: 1-540.12.1.11 |
27,60 EUR
≈ £23.82 | ≈ $32.13 plus delivery charges
in stockinfo_outline
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Crack-IT flash Bell (Bell with Flash)
Doorbell with flash for your phone, via TAE connection cable, High Volume, triads adjustable einbautes power supply, High light output with direct and diffuse lighting, Adjustable flash on / acoustics ... Lieske Part No.: 575581 Mfg Part No: 1-601.13.1.51 |
102,60 EUR
≈ £88.54 | ≈ $119.43 plus delivery charges
Delivery time on requestinfo_outline
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Signal Devices & Call Systems – Technical Background & Applications
Signal devices and call systems handle acoustic and visual notification in industry, commerce and care environments for incoming calls, access requests and alarms. Door intercom systems (video door entry systems) connect entrance and reception via voice and video; modern IP-based systems can be integrated via SIP into the PBX and forward calls to smartphones. Industrially suitable acoustic signal devices (signal sirens, loudspeakers) to EN 60849 are used in noisy areas (>80 dB) where normal bell signals are imperceptible. Wireless call systems (DECT or proprietary 433/868 MHz) enable patient, guest or staff calls without cable installation – ideal for care homes, restaurants and industry. Flash lights and combination signal devices (sound + light) are required for severely hearing-impaired persons or loud production environments.
Emergency phones for critical areas are at Emergency Phones; telephone systems with door intercom integration under Telephone Systems. Individual advice on call systems and signal technology: +49 (0)7666 / 88499-0.
Application Areas
| ✓ Business Telephony & Call Centres | ✓ Authorities & Public Institutions |
| ✓ Industrial Environments & Production Halls | ✓ Hotels & Hospitality |
| ✓ Hospitals & Care Facilities | ✓ Data Centres & IT Infrastructure |
Frequently Asked Questions
▶ How do I integrate a door intercom into my telephone system? Modern IP video door entry systems (e.g. Siedle, 2N, Mobotix) support the SIP protocol (Session Initiation Protocol, RFC 3261) and can be integrated as SIP subscribers into any IP PBX. When the doorbell rings, a configured phone or group rings. Analogue connection is possible via a door coupler (FTZ 123 D12 interface) on analogue PBX connections. |
▶ Which standard applies to emergency call systems in care facilities? For patient call systems in care homes and hospitals, DIN VDE 0834 (call systems in hospitals and care homes) applies in Germany. It specifies requirements for fail-safety, response time, alarm forwarding and testing. Additionally, the care home regulations of individual German states must be observed, which generally require call systems to DIN VDE 0834. |
▶ What is a combination signal device and when is it required? A combination signal device combines acoustic alarm (siren, up to 100–112 dB) with optical alarm (flash light, xenon or LED). It is required when the noise level at the workplace is so high that an acoustic alarm alone cannot be perceived (above 80 dB at the workplace per ArbStättV). Combination devices are also legally required for areas with severely hearing-impaired persons (BGV A1, DGUV Rule 100-001). |
Why industry-electronics.de?
▶ Professional TK Range Over 15,000 telecoms products from Agfeo, Auerswald, Snom, Yealink, Innovaphone, Gigaset and other leading manufacturers. | ▶ B2B Expert Advice Our TK team advises on SIP migration, DECT planning, emergency call systems and standards compliance – free and vendor-neutral. | ▶ Volume Pricing from 1 Unit Quantity discounts, project prices and framework agreements for system integrators, authorities and industrial companies. |
▶ Fast Delivery Most items available from stock – free shipping across Germany from minimum order value. | ▶ 20+ Years TK Experience For over 20 years, Industry-Electronics has supplied system houses, authorities and industrial customers with professional telecoms technology. | ▶ Standards-Compliant Range All products comply with applicable EN, ETSI and VDE standards and regulatory approvals for commercial use. |