Protection relay RSV-15, RSM-13, PH-55, RT-140, etc.

Time relays are used in circuits of relay protection devices and system automation to select control signals by duration, or to transmit them to controlled electrical circuits with a set time delay.
Models:
- Time relay with time delay up to 50 s RV-01
- Static time relay with time delay when RV-03 is switched off
- Time relay with a clock mechanism RV-100, RV-200
- Static time relay RSV-01-1, RSV-01-3, RSV-01-4
- Cyclic time relay RSV-01-5
- Serial RSV-13 time relay
- Static time relay with temporary-closing contact RSV-14
- Time relay RSV-160, RSV-255, RSV-260
- RSV-15 time relay
- RSV-16 time relay
- Multi-chain time relay RSV-17
- RSV-18 time relay
- RSV-18-31 power interrupter
- RSV-19 time relay
- Time relay RP21M-V
- Time relay modular multifunctional RSV-21-1

• Time relay. Technical specifications.

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Power relays are used to protect multi-winding transformers and power transmission lines in case of asymmetric short circuits.
Models:
- Power direction relay RM-11, RM-12
- Reverse sequence power relay RMOP-2-1
- Static power relay RSM-13

• Power relay. Technical specifications.

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Voltage relays are used in relay protection and automation circuits of power systems as measuring devices that respond to voltage rise and fall, as well as monitoring the isolation of DC circuits with voltage up to 220 V.
Models:
- Relays of maximum voltage PH-51, PH-53, PH-153 and minimum voltage PH-54, PH-154
- Phase shift relay PH-55
- Relay of the zero sequence RNN-57
- Reverse sequence relay RNF-1M
- DC voltage relay RSN-11, RSN-12, RSN-18
- RSN-13 voltage relay
- Static AC voltage relay RSN-14, RSN-15, RSN-16, RSN-17
- Static small-sized AC voltage relay RSN-14M, RSN-15M, RSN-16M, RSN-17M
- RSNF-12 voltage and phase shift monitoring relay
- RSF-11 voltage and phase shift monitoring relay
- RSN-50 voltage relay

• Voltage relay. Technical specifications.

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Intermediate relays are used for operation in DC and AC circuits as an auxiliary device.
Models:
- Intermediate two-position relay RP-8, RP-9, RP-11, RP-12
- Intermediate two-position small-sized relay RP-11M, RP-12M
- Intermediate relay RP-16
- Intermediate relay RP-16-1M
- Intermediate relay RP-17
- Intermediate relay RP-18
- Intermediate relay RP21M, RP21MN
- Intermediate relay RP-23, RP-25
- Intermediate relay RP-251, RP-252, RP-253, RP-254, RP-255
- Intermediate relay RP-256
- Intermediate relay RP-321, RP-361, RP-362
- Intermediate relay REP-36
- Intermediate relay with deceleration RAP-37
- Intermediate high-speed relay REP-37-13
- Intermediate two-position relay REP-38D
- Electromagnetic intermediate relay REP-361
- Intermediate relay RPU-2M
- Intermediate relay RPU-2M3

• Intermediate relays. Technical specifications.

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Current relays are used in relay protection and automation circuits of power systems as a device that responds to an increase in current.
Models:
- Static maximum current relay PCT-11, PCT-12, PCT-13, PCT-14
- Relay of the maximum current RT-40, RT-140
- Maximum current relay with increased thermal resistance RT-40/1D
- Three-phase maximum current relay (URV) RT-40/R
- Relay of the maximum current with coarsening from higher harmonics RT-40/F
- Maximum current relay with dependent time delay RT-80, RT-90
- Relays with increased sensitivity RTZ-51, RTZ-51.01
- Reverse sequence current relay static RTF-8
- Reverse sequence current relay static RTF-9
- Differential current relay with braking DZT-11
- Relay of the maximum current PCT-40
- Relay of the maximum current PCT-40-4, PCT-40-4V
- Static current relay PCT-80
- Maximum current relay RS40M
- Maximum current relay RS80

• Current relay. Technical specifications.

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Pointer relays are used for use as an indicator of the action of protection and automation circuits in DC and AC circuits.
Models:
- Pointer relay RU-21, RU-21-1
- Electromagnetic intermediate-pointing relay RAPU-12M

• The relays are pointing. Technical specifications.

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Frequency relays are used in automation circuits when synchronizing generators that are switched on for parallel operation.
Models:
- Frequency difference relay RGR-11
- RSG-11 static frequency relay

• Frequency relay. Technical specifications.

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Thermal relays are used to protect electric motors from overloads of unacceptable duration.
Models:
- Thermal TRTP relay

• Thermal relays. Technical specifications.

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Three-phase voltage monitoring relays are used in three-phase networks with an isolated or deafly grounded neutral in relay protection and emergency automation circuits in alternating current circuits of 50 Hz frequencies.
Models:
- Three-phase voltage monitoring relay RSN-30, RSN-31, RSN-32, RSN-33
- Three-phase voltage monitoring relay RSN-25 M, RSN-26 M, RSN-27 M

• Three-phase voltage monitoring relay. Technical specifications.

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Differential relays are designed for differential protection of alternators.
Models:
- Differential protection relay DZT-21
- Differential protection relay DZT-23
- Differential current relay RNT-565, RNT-566, RNT-567
- Differential current relay PCT-15, PCT-16
- Differential current relay PCT-23
- Relay re-activation RPV-01
- Relay re-activation RPV-02
- Autotransformer AT-31, AT-32
- Prefix PP-11 (to PCT 23)
- Prefix PT-1
- Photoelectronic relay RFS-11M
- Motor protection relay RZD-3M

• Differential relays. Technical specifications.

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The test blocks are intended for use as multi-pole plug sockets in relay protection circuits, automation and measuring devices.
Models:
- Test unit BI-4, BI-4M, BI-6, BI-6M
- Blank cover KH-4, KH-4M, KH-6, KH-6M
- Control plug SHK-4, SHK-4M, SHK-6, SHK-6M

• Test blocks. Technical specifications.

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