Warning Systems (Civil Defense)

Warning Systems (Системы оповещения)
The logo of Civil Defense.
Produced	2005-present
Type	Omnidirectional Electromechanical
Frequency	50 Hz
Voltage	220/380 V AC 3 ph

Warning Systems (Russian: Системы оповещения) is a product category of Civil Defense, a safety equipment supplier in Yekaterinburg. It is a subset of products in the Emergency Rescue Equipment (Russian: Аварийно-спасательное оборудование) category. The Warning Systems category consists of the Civil Defense versions of the Type S-28 (Russian: Тип С-28) and Type S-40 (Russian: Тип С-40) omnidirectional electromechanical sirens and relating control equipment and has been produced since 2005.

Design

Siren S-28

Siren S-28 as advertised.

Siren S-28 (Russian: Сирена С-28) is the Civil Defense version of the Type S-28. It is the smaller of the 2 sirens in the Warning Systems category and is recommended for small-scale alerting in places where a much larger siren such as the Siren S-40 would be unnecessary, like factories, warehouses, or other large indoor spaces. The Siren S-28 is a very simple siren, only utilizing a 10-port rotor and stator (with a diameter of about 280 mm and height of about 110 mm) above a 50 Hz 220/380 V 0.75 kW (1 hp) 3 ph motor. The motor drives the rotor at about 2820-3000 rpm. A metal mesh screen is wrapped around the stator to prevent debris from entering the rotor or injury from misuse of the siren. A rounded, ornate cover is placed directly above the stator, although lacks any mesh screen covering and would be inefficient in preventing rain from entering the rotor; this is why the Siren S-28 is recommended for indoor spaces, unlike the fully enclosed Siren S-40. The entire assembly rests on a flat base with a flanged bottom; 3 holes on the base allow for the siren to be bolted to a flat surface. Civil Defense is one of the few manufacturers that have retained the design of the Siren S-28 as it was upon introduction. The Siren S-28 is about 430 mm in diameter and about 325 mm in height, and has a net weight of around 18 kg (39.6 lbs). The Siren S-28 reaches 90 dBa at 1 m (3.2 ft) and has an operating temperature range of -40/45°C (-40°F) to +40°C (+104°F), with relative humidity up to 80%.

Siren S-40

Siren S-40 as advertised.

Siren S-40 (Russian: Сирена С-40) is the Civil Defense version of the Type S-28. It is the larger of the 2 sirens in the Warning Systems category and is recommended for large-scale alerting in places where a much smaller siren such as the Siren S-28 would be inefficient, like cities, villages, or other large outdoor spaces. The Siren S-40 is a very simple siren, only utilizing a 10-port rotor and stator (with a diameter of about 440 mm and height of about 110 mm) above a 50 Hz 220/380 V 3 kW (4 hp) 3 ph motor. The motor drives the rotor at about 2820-3000 rpm. 2 louvers are bolted to the top (larger in diameter) and bottom (smaller in diameter) of the stator, and a metal mesh screen is bolted to both and circles around the stator to prevent debris from entering the rotor or injury from misuse of the siren. 5 struts bolted to the top of the rotor support a rain shield (identical in diameter as the top louver) with a flattened top. Metal mesh screen wraps around the struts and the assembly serves as an air intake for the rotor. 2 eyebolts are bolted to opposing ends of the top of the rain shield, allowing for ease of installation or removal. The entire assembly rests on a curved base with a flanged bottom; 3 holes on the base allow for the siren to be bolted to a flat surface. Civil Defense is one of the few manufacturers that have retained the design of the Siren S-40 as it was upon introduction. The Siren S-40 is about 575 mm in diameter and about 740 mm in height and has a net weight of around 65 kg (143.3 lbs). The Siren S-40 reaches 120 dBa at 1 m (3.2 ft) and has an operating temperature range of -40/45°C (-40°F) to +40°C (+104°F), with relative humidity up to 80%.

Answer

The Answer as advertised.

Answer (Russian: Ответ) is a remote-controlled device designed to connect short-term loads—such as the Siren S-40 and Siren S-28—to 1 or 3 ph AC networks operating at 220/380 V with a frequency of 50 Hz. It receives control signals via subscriber telephone lines from compatible remote-control systems, including the P-166 BOU (Terminal Device Unit) (Russian: БОУ, блок оконечных устройств) CTS (Complex of technical means) (Russian: КТС, комплекс технических средств), SE, OB-5 (5-line terminal block, P-164-B) (Russian: ОБ-5, блок оконечный пятилинейный, П-164-Б), and UDD/UDS (Remote Control Device) (Russian: УДУ, устройство дистанционного управления), and can operate in both urban and rural networks. Answer supports capacities up to 5 kW. The internals remain resistant to dust and moisture thanks to a sealed and lockable welded casing, which has a sealing gasket for additional protection. The Answer has a tolerance for voltage fluctuations and offers a maximum idle current draw of 0.65 A. Upon receiving a control signal, the device selects the communication line, confirms signal receipt with a response voltage of 50-90 V, and connects the load either continuously or intermittently. Answer is capable of round-the-clock operation in standby mode and provides local or remote load connections. It also supports telephone communication between operators via the subscriber line. Answer can withstand up to 3½ minutes of continuous load connection and has no limitation on connection cycles. The Answer weighs no more than 8 kg (17.6 lbs).

P-164A

The P-164A as advertised.

The P-164A (TsUZS 164-A) (Russian: П-164А, ЦУЗС 164А) is designed for integrating short-term loads—such as the Siren S-40 and Siren S-28—into a 3 ph AC network operating at 220/380 V and 50 Hz. It is optimized for use with active and free subscriber lines in both urban and rural telephone networks, allowing remote activation of connected devices via signals received through the communication line. The P-164A operates in environments with temperatures ranging from -40°C (-40°F) to +40°C (+104°F) and atmospheric pressure of (10 × 10⁴ ± 0.4 × 10⁴) Pa. The internals remain resistant to dust and moisture thanks to a sealed and lockable welded casing, which has a sealing gasket for additional protection. The P-164A connects loads up to 5 kW either continuously or intermittently based on control signals, with power supplied via 380 V or 220 V 3 ph line voltage. It ensures reliability with a minimum uptime of 5000 hours and maximum power consumption of 5 W. It operates without interfering with normal telephone line functionality, providing a confirmation signal upon receiving a control signal and executing load connection accordingly. The P-164A has dimensions of 240 × 155 × 330 mm and a weight of no more than 5 kg (11 lbs). It requires storage in chemical-free ventilated environments at 5°C to 40°C, with a maximum shelf life of 10 years and no need for special preservation measures.