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SPKA

Serial production list

Contact Position Signaling Device

Technical characteristics:

Contact position signaling devices (SPKA)

Drive element

Rod

Rod shift, mm
• working;
• differential;
• additional (after direct response of contacts)

4±0.5 0.25 1.5

Rod shift speed, mm/s

0.5-500

Number of commutated circuits

2

Parameters of commutated circuits:
• direct current (at voltage);
• alternating current (at voltage)

0.001-1А (3-48V)

0.02-1А (15-220V)

Contact position signaling devices (SPKA) are intended for commutation of external electric circuits when the moving element of the fittings used in nuclear and thermal power units reaches positions being monitored

Ambient temperature (air,water), °С

• permanently;
• for no longer than 72 hours;

• for no longer than 0.5 hour

15 - 60 60 - 150 150 - 180

Pressure, MPa:

• permanently;
• for no longer than 72 hours;

• for no longer than 0.5 hour

0.1 – 0.103 0.1 – 0.49 0.49 – 0.98

Humidity, %, maximum

• permanently;
• for no longer than 72-х hours

90 100

Weight, kg, maximum

1.7

Versions of signaling device SPKA
Version Number of cables to be connected Maximum cable diameter, mm Features of rod structure
Connection elements Initial position
SPKA1k-2b 1 18 Ball Moved out
SPKA1k-3а 1 18 Thread М6 Medium
SPKA1k-3v 1 18 Link Medium
SPKA1s-2b 1 20 Ball Moved out
SPKA1s-2p 1 20 Roller Moved out
SPKA1s-3а 1 20 Thread М6 Medium
SPKA1s-3v 1 20 Link Medium
SPKA2s-2b 2 20 Ball Moved out
SPKA2s-2p 2 20 Roller Moved out
SPKA2s-3а 2 20 Thread М6 Medium
SPKA2s-3v 2 20 Link Medium

Overall and mounting dimensions:
Overall and mounting dimensions SPKA Version a b c d e f g
SPKA1k-2b 175 105 60 25 6.5 37 50
SPKA1k-3а 175 105 60 30 6.5 37 50
SPKA1k-3v 175 105 60 45 6.5 37 50
SPKA1s-2b 175 105 60 25 6.5 37 50
SPKA1s-2p 175 105 60 35 6.5 37 50
SPKA1s-3а 175 105 60 30 6.5 37 50
SPKA1s-3v 175 105 60 45 6.5 37 50
SPKA2s-2b 175 105 60 25 6.5 37 50
SPKA2s-2p 175 105 60 35 6.5 37 50
SPKA2s-3а 175 105 60 30 6.5 37 50
SPKA2s-3v 175 105 60 45 6.5 37 50
SPKA condition checking device

Condition checking device (PKP) is intended for checking the signaling device SPKA for good condition, as well as for integrity checking of external electric circuits which are temporarily disconnected from the signaling device

Version Devices to be monitored
PKP-2

SPKA1k-2б, SPKA1s-2b, SPKA1с-2p, SPKA2s-2b, SPKA2s-2p

PKP-3

SPKA1k-3а, SPKA1k-3в, SPKA1s-3а, SPKA1с-3v, SPKA2s-3а, SPKA2s-3v


Серийная продукция Аврора \ Batch production Avrora - реле давления температуры сигнализатор pressure temperature relays proof position signaling device control position KRD KPT KSPKV KSPKG KSPKT MUS SPKA