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Weidmüller JACKPAC, Relay module, Number of contacts: 1, CO contact AgSnO, Rated control voltage: 24 V DC ±20 %, Continuous current: 2 A, M12 plug/socket, A-coded

37,42 €

MOQ: 1

This price is valid until next price list or while stock lasts

EAN: 4032248439638

MPN: 8771430000

Box: 1

EDT to our warehouse: 4-6 weeks

Order only

Weidmüller Relay Module TERMSERIES Contacts 1, CO contact AgNi Uctrl 12 V DC ±20 % Icont 6 A, Screw connection TestBtn No

7,05 €

MOQ: 1

This price is valid until next price list or while stock lasts

EAN: 4032248904914

MPN: 1122750000

Box: 1

EDT to our warehouse: 4-6 weeks

Order only

Weidmüller Relay Module TERMSERIES Contacts 1, CO contact AgNi Uctrl 48 V UC ±10 % Icont 6 A, Screw connection TestBtn No

14,20 €

MOQ: 10

This price is valid until next price list or while stock lasts

Subtotal: 142,00 € MOQ: 10

EAN: 4032248905010

MPN: 1122790000

Box: 1

EDT to our warehouse: 4-6 weeks

Order only

Weidmüller Relay Module TERMSERIES Contacts 1, CO contact AgNi Uctrl 120 V UC ±10 % Icont 6 A, Screw connection TestBtn No

10,63 €

MOQ: 1

This price is valid until next price list or while stock lasts

EAN: 4032248904860

MPN: 1122810000

Box: 1

EDT to our warehouse: 4-6 weeks

Order only

Weidmüller Relay Module TERMSERIES Contacts 1, CO contact AgNi Uctrl 230 V UC ±10% Icont 6 A, Screw connection TestBtn No

8,59 €

MOQ: 1

This price is valid until 24.12.2026

EAN: 4032248904907

MPN: 1122820000

Box: 1

EDT to our warehouse: 4-6 weeks

Order only

Weidmüller Relay Module TERMSERIES Contacts 1, CO contact AgNi Uctrl 120 V UC ±10 % Icont 6 A, Tension-clamp connection TestBtn No

18,26 €

MOQ: 10

This price is valid until next price list or while stock lasts

Subtotal: 182,60 € MOQ: 10

EAN: 4032248904891

MPN: 1122920000

Box: 1

EDT to our warehouse: 4-6 weeks

Order only

Weidmüller Relay Module TERMSERIES Contacts 1, CO contact AgNi gold-plated Uctrl 230 V AC ±10 % Icont 6 A, Screw connection TestBtn No

22,68 €

MOQ: 10

This price is valid until next price list or while stock lasts

Subtotal: 226,80 € MOQ: 10

EAN: 4032248904990

MPN: 1123080000

Box: 1

EDT to our warehouse: 4-6 weeks

Order only

Weidmüller Relay Module TERMSERIES Contacts 1, CO contact AgNi gold-plated Uctrl 5 V DC ±20 % Icont 6 A, Tension-clamp connection TestBtn No

13,55 €

MOQ: 10

This price is valid until next price list or while stock lasts

Subtotal: 135,50 € MOQ: 10

EAN: 4032248905119

MPN: 1123100000

Box: 1

EDT to our warehouse: 4-6 weeks

Order only

Weidmüller Relay Module TERMSERIES Contacts 1, CO contact AgNi gold-plated Uctrl 60 V UC ±10 % Icont 6 A, Tension-clamp connection TestBtn No

18,90 €

MOQ: 10

This price is valid until next price list or while stock lasts

Subtotal: 189,00 € MOQ: 10

EAN: 4032248905157

MPN: 1123150000

Box: 1

EDT to our warehouse: 4-6 weeks

Order only

Weidmüller Relay Module TERMSERIES Contacts 1, CO contact AgNi gold-plated Uctrl 230 V UC ±10% Icont 6 A, Tension-clamp connection TestBtn No

19,31 €

MOQ: 10

This price is valid until next price list or while stock lasts

Subtotal: 193,10 € MOQ: 10

EAN: 4032248905058

MPN: 1123180000

Box: 1

EDT to our warehouse: 4-6 weeks

Order only

Weidmüller Relay Module TERMSERIES Contacts 1, CO contact AgNi gold-plated Uctrl 24…230 V UC ±10 % Icont 6 A, Tension-clamp connection TestBtn No

26,16 €

MOQ: 10

This price is valid until 24.12.2026

Subtotal: 261,60 € MOQ: 10

EAN: 4032248905027

MPN: 1123210000

Box: 1

EDT to our warehouse: 1-4 weeks

Order only

Weidmüller Relay Module TERMSERIES Contacts 2, CO contact AgNi Uctrl 24 V DC ±20 % Icont 8 A, Screw connection TestBtn No

8,83 €

MOQ: 1

This price is valid until next price list or while stock lasts

EAN: 4032248905836

MPN: 1123490000

Box: 1

EDT to our warehouse: 4-6 weeks

Order only

Weidmüller Relay Module TERMSERIES Contacts 2, CO contact AgNi Uctrl 24 V UC ±10 % Icont 8 A, Screw connection TestBtn No

12,60 €

MOQ: 1

This price is valid until next price list or while stock lasts

EAN: 4032248905287

MPN: 1123500000

Box: 1

EDT to our warehouse: 4-6 weeks

Order only

Weidmüller Relay Module TERMSERIES Contacts 2, CO contact AgNi Uctrl 48 V UC ±10 % Icont 8 A, Screw connection TestBtn No

14,48 €

MOQ: 10

This price is valid until next price list or while stock lasts

Subtotal: 144,80 € MOQ: 10

EAN: 4032248905829

MPN: 1123510000

Box: 1

EDT to our warehouse: 4-6 weeks

Order only

Weidmüller Relay Module TERMSERIES Contacts 2, CO contact AgNi Uctrl 60 V UC ±10 % Icont 8 A, Screw connection TestBtn No

18,58 €

MOQ: 10

This price is valid until next price list or while stock lasts

Subtotal: 185,80 € MOQ: 10

EAN: 4032248905911

MPN: 1123520000

Box: 1

EDT to our warehouse: 4-6 weeks

Order only

Weidmüller Relay Module TERMSERIES Contacts 2, CO contact AgNi Uctrl 24 V DC ±20 % Icont 8 A, Tension-clamp connection TestBtn No

9,69 €

MOQ: 10

This price is valid until next price list or while stock lasts

Subtotal: 96,90 € MOQ: 10

EAN: 4032248905959

MPN: 1123610000

Box: 1

EDT to our warehouse: 4-6 weeks

Order only

Weidmüller Relay Module TERMSERIES Contacts 2, CO contact AgNi Uctrl 48 V UC ±10 % Icont 8 A, Tension-clamp connection TestBtn No

17,51 €

MOQ: 10

This price is valid until 24.12.2026

Subtotal: 175,10 € MOQ: 10

EAN: 4032248905720

MPN: 1123630000

Box: 1

EDT to our warehouse: 1-4 weeks

Order only

Weidmüller Relay Module TERMSERIES Contacts 2, CO contact AgNi Uctrl 60 V UC ±10 % Icont 8 A, Tension-clamp connection TestBtn No

18,10 €

MOQ: 10

This price is valid until next price list or while stock lasts

Subtotal: 181,00 € MOQ: 10

EAN: 4032248905225

MPN: 1123640000

Box: 1

EDT to our warehouse: 4-6 weeks

Order only

Weidmüller Relay Module TERMSERIES Contacts 2, CO contact AgNi Uctrl 120 V AC ±10 % Icont 8 A, Tension-clamp connection TestBtn No

23,65 €

MOQ: 10

This price is valid until next price list or while stock lasts

Subtotal: 236,50 € MOQ: 10

EAN: 4032248905980

MPN: 1123680000

Box: 1

EDT to our warehouse: 4-6 weeks

Order only

Weidmüller Relay Module TERMSERIES Contacts 2, CO contact AgNi Uctrl 24…230 V UC ±10 % Icont 8 A, Tension-clamp connection TestBtn No

30,13 €

MOQ: 1

This price is valid until 31.12.2026

EAN: 4032248905201

MPN: 1123700000

Box: 1

EDT to our warehouse: 4-6 weeks

Order only

Weidmüller Relay Module TERMSERIES Contacts 2, CO contact AgNi gold-plated Uctrl 230 V UC ±5 % Icont 8 A, Screw connection TestBtn No

8,67 €

MOQ: 1

This price is valid until 24.12.2026

EAN: 4032248906246

MPN: 1123790000

Box: 1

EDT to our warehouse: 4-6 weeks

Order only

Weidmüller Relay Module TERMSERIES Contacts 2, CO contact AgNi gold-plated Uctrl 24 V UC ±10 % Icont 8 A, Tension-clamp connection TestBtn No

19,14 €

MOQ: 10

This price is valid until next price list or while stock lasts

Subtotal: 191,40 € MOQ: 10

EAN: 4032248905621

MPN: 1123870000

Box: 1

EDT to our warehouse: 4-6 weeks

Order only

Weidmüller Relay Module TERMSERIES Contacts 2, CO contact AgNi gold-plated Uctrl 48 V UC ±10 % Icont 8 A, Tension-clamp connection TestBtn No

18,58 €

MOQ: 10

This price is valid until next price list or while stock lasts

Subtotal: 185,80 € MOQ: 10

EAN: 4032248905669

MPN: 1123880000

Box: 1

EDT to our warehouse: 4-6 weeks

Order only

Weidmüller Relay Module TERMSERIES Contacts 2, CO contact AgNi gold-plated Uctrl 120 V UC ±10 % Icont 8 A, Tension-clamp connection TestBtn No

19,07 €

MOQ: 10

This price is valid until 24.12.2026

Subtotal: 190,70 € MOQ: 10

EAN: 4032248905539

MPN: 1123900000

Box: 1

EDT to our warehouse: 1-4 weeks

Order only

Weidmüller Relay Module TERMSERIES Contacts 2, CO contact AgNi gold-plated Uctrl 230 V UC ±5 % Icont 8 A, Tension-clamp connection TestBtn No

19,07 €

MOQ: 10

This price is valid until 24.12.2026

Subtotal: 190,70 € MOQ: 10

EAN: 4032248906161

MPN: 1123910000

Box: 1

EDT to our warehouse: 1-4 weeks

Order only

Weidmüller Relay Module TERMSERIES Contacts 2, CO contact AgNi gold-plated Uctrl 230 V AC ±5 % Icont 8 A, Tension-clamp connection TestBtn No

24,22 €

MOQ: 10

This price is valid until next price list or while stock lasts

Subtotal: 242,20 € MOQ: 10

EAN: 4032248906000

MPN: 1123930000

Box: 1

EDT to our warehouse: 4-6 weeks

Order only

Weidmüller Relay Module TERMSERIES Contacts 1, CO contact AgNi Uctrl 24 V UC ±10 % Icont 16 A, Screw connection TestBtn No

15,24 €

MOQ: 10

This price is valid until next price list or while stock lasts

Subtotal: 152,40 € MOQ: 10

EAN: 4050118287844

MPN: 1479690000

Box: 1

EDT to our warehouse: 4-6 weeks

Order only

Weidmüller Relay Module TERMSERIES Contacts 1, CO contact AgNi Uctrl 120 V UC ±10 % Icont 16 A, Screw connection TestBtn No

20,19 €

MOQ: 10

This price is valid until next price list or while stock lasts

Subtotal: 201,90 € MOQ: 10

EAN: 4050118287769

MPN: 1479730000

Box: 1

EDT to our warehouse: 4-6 weeks

Order only

Weidmüller Relay Module TERMSERIES Contacts 1, CO contact AgNi Uctrl 230 V AC ±5 % Icont 16 A, Screw connection TestBtn No

24,22 €

MOQ: 10

This price is valid until next price list or while stock lasts

Subtotal: 242,20 € MOQ: 10

EAN: 4050118288025

MPN: 1479760000

Box: 1

EDT to our warehouse: 4-6 weeks

Order only

Weidmüller Relay Module TERMSERIES Contacts 1, NO contact AgSnO Uctrl 24…230 V UC ±10 % Icont 16 A, Screw connection TestBtn No

32,08 €

MOQ: 10

This price is valid until 24.12.2026

Subtotal: 320,80 € MOQ: 10

EAN: 4050118288162

MPN: 1479790000

Box: 1

EDT to our warehouse: 1-4 weeks

Order only

Weidmüller Relay Module TERMSERIES Contacts 1, CO contact AgNi Uctrl 48 V UC ±10 % Icont 16 A, Tension-clamp connection TestBtn No

18,58 €

MOQ: 10

This price is valid until next price list or while stock lasts

Subtotal: 185,80 € MOQ: 10

EAN: 4050118288186

MPN: 1479870000

Box: 1

EDT to our warehouse: 4-6 weeks

Order only

Weidmüller Relay Module TERMSERIES Contacts 1, NO contact AgSnO Uctrl 24…230 V UC ±10 % Icont 16 A, Tension-clamp connection TestBtn No

35,17 €

MOQ: 10

This price is valid until next price list or while stock lasts

Subtotal: 351,70 € MOQ: 10

EAN: 4050118288254

MPN: 1479950000

Box: 1

EDT to our warehouse: 4-6 weeks

Order only

Weidmüller Relay TERMSERIES Contacts 1, CO contact AgNi Uctrl 24 V DC Icont 16 A, Plug-in connection TestBtn No

3,47 €

MOQ: 20

This price is valid until next price list or while stock lasts

Subtotal: 69,40 € MOQ: 20

EAN: 4050118369366

MPN: 1984040000

Box: 1

EDT to our warehouse: 4-6 weeks

Order only

Weidmüller Relay TERMSERIES Contacts 1, CO contact AgNi Uctrl 110 V DC Icont 16 A, Plug-in connection TestBtn No

7,48 €

MOQ: 20

This price is valid until next price list or while stock lasts

Subtotal: 149,60 € MOQ: 20

EAN: 4050118369267

MPN: 1984070000

Box: 1

EDT to our warehouse: 4-6 weeks

Order only

Weidmüller Relay TERMSERIES Contacts 1, NO contact AgSnO Uctrl 24 V DC Icont 16 A, Plug-in connection TestBtn No

6,32 €

MOQ: 20

This price is valid until next price list or while stock lasts

Subtotal: 126,40 € MOQ: 20

EAN: 4050118369175

MPN: 1984080000

Box: 1

EDT to our warehouse: 4-6 weeks

Order only

Weidmüller Relay Module TERMSERIES Contacts 1, CO contact AgSnO Uctrl 12 V DC ±20 % Icont 6 A, Tension-clamp connection TestBtn No

13,18 €

MOQ: 10

This price is valid until next price list or while stock lasts

Subtotal: 131,80 € MOQ: 10

EAN: 4050118427103

MPN: 2152890000

Box: 1

EDT to our warehouse: 4-6 weeks

Order only

Weidmüller Relay Module TERMSERIES Contacts 1, CO contact AgSnO Uctrl 120 V AC ±10 % Icont 6 A, Screw connection TestBtn No

22,06 €

MOQ: 10

This price is valid until next price list or while stock lasts

Subtotal: 220,60 € MOQ: 10

EAN: 4050118427042

MPN: 2152900000

Box: 1

EDT to our warehouse: 4-6 weeks

Order only

Weidmüller Relay Module TERMSERIES Contacts 1, CO contact AgSnO Uctrl 120 V AC ±10 % Icont 6 A, Tension-clamp connection TestBtn No

22,06 €

MOQ: 10

This price is valid until next price list or while stock lasts

Subtotal: 220,60 € MOQ: 10

EAN: 4050118427127

MPN: 2152910000

Box: 1

EDT to our warehouse: 4-6 weeks

Order only

Weidmüller Relay Module TERMSERIES Contacts 1, CO contact AgSnO Uctrl 230 V AC ±10 % Icont 6 A, Screw connection TestBtn No

22,06 €

MOQ: 10

This price is valid until next price list or while stock lasts

Subtotal: 220,60 € MOQ: 10

EAN: 4050118426960

MPN: 2152920000

Box: 1

EDT to our warehouse: 4-6 weeks

Order only

Weidmüller Relay Module TERMSERIES Contacts 1, CO contact AgSnO Uctrl 48 V UC ±10 % Icont 6 A, Screw connection TestBtn No

18,54 €

MOQ: 10

This price is valid until next price list or while stock lasts

Subtotal: 185,40 € MOQ: 10

EAN: 4050118427202

MPN: 2153060000

Box: 1

EDT to our warehouse: 4-6 weeks

Order only

Weidmüller Relay Module TERMSERIES Contacts 1, CO contact AgSnO Uctrl 48 V UC ±10 % Icont 6 A, Tension-clamp connection TestBtn No

18,54 €

MOQ: 10

This price is valid until next price list or while stock lasts

Subtotal: 185,40 € MOQ: 10

EAN: 4050118426823

MPN: 2153080000

Box: 1

EDT to our warehouse: 4-6 weeks

Order only

Weidmüller Relay Module TERMSERIES Contacts 1, CO contact AgSnO Uctrl 60 V UC ±10 % Icont 6 A, Screw connection TestBtn No

18,54 €

MOQ: 10

This price is valid until next price list or while stock lasts

Subtotal: 185,40 € MOQ: 10

EAN: 4050118427141

MPN: 2153550000

Box: 1

EDT to our warehouse: 4-6 weeks

Order only

Weidmüller Relay Module TERMSERIES Contacts 1, CO contact AgSnO Uctrl 230 V UC ±10% Icont 6 A, Screw connection TestBtn No

16,76 €

MOQ: 10

This price is valid until 24.12.2026

Subtotal: 167,60 € MOQ: 10

EAN: 4050118426847

MPN: 2153590000

Box: 1

EDT to our warehouse: 4-6 weeks

Order only

Weidmüller Relay Module TERMSERIES Contacts 1, CO contact AgSnO Uctrl 24…230 V UC ±10 % Icont 6 A, Tension-clamp connection TestBtn No

27,84 €

MOQ: 10

This price is valid until next price list or while stock lasts

Subtotal: 278,40 € MOQ: 10

EAN: 4050118427066

MPN: 2154980000

Box: 1

EDT to our warehouse: 4-6 weeks

Order only

Weidmüller Relay Module TERMSERIES Contacts 1, CO contact AgSnO Uctrl 5 V DC ±20 % Icont 6 A, PUSH IN TestBtn No

13,18 €

MOQ: 10

This price is valid until next price list or while stock lasts

Subtotal: 131,80 € MOQ: 10

EAN: 4050118671087

MPN: 2614820000

Box: 1

EDT to our warehouse: 4-6 weeks

Order only

Weidmüller Relay Module TERMSERIES Contacts 1, CO contact AgSnO Uctrl 60 V UC ±10 % Icont 6 A, PUSH IN TestBtn No

18,54 €

MOQ: 10

This price is valid until next price list or while stock lasts

Subtotal: 185,40 € MOQ: 10

EAN: 4050118670967

MPN: 2617870000

Box: 1

EDT to our warehouse: 4-6 weeks

Order only

Weidmüller Relay Module TERMSERIES Contacts 1, CO contact AgSnO Uctrl 12 V DC ±20 % Icont 6 A, PUSH IN TestBtn No

12,98 €

MOQ: 10

This price is valid until next price list or while stock lasts

Subtotal: 129,80 € MOQ: 10

EAN: 4050118670974

MPN: 2617860000

Box: 1

EDT to our warehouse: 4-6 weeks

Order only

Weidmüller Relay Module TERMSERIES Contacts 1, CO contact AgSnO Uctrl 120 V UC ±10 % Icont 6 A, PUSH IN TestBtn No

16,76 €

MOQ: 10

This price is valid until 24.12.2026

Subtotal: 167,60 € MOQ: 10

EAN: 4050118670936

MPN: 2617900000

Box: 1

EDT to our warehouse: 4-6 weeks

Order only

Weidmüller Relay Module TERMSERIES Contacts 1, NO contact AgSnO + W Uctrl 24 V DC ±20 % Icont 16 A, PUSH IN TestBtn No

21,41 €

MOQ: 10

This price is valid until 24.12.2026

Subtotal: 214,10 € MOQ: 10

EAN: 4050118670905

MPN: 2617930000

Box: 1

EDT to our warehouse: 1-4 weeks

Order only

Weidmüller Relay Module TERMSERIES Contacts 1, CO contact AgNi Uctrl 60 V UC ±10 % Icont 16 A, PUSH IN TestBtn No

19,30 €

MOQ: 10

This price is valid until next price list or while stock lasts

Subtotal: 193,00 € MOQ: 10

EAN: 4050118670868

MPN: 2617970000

Box: 1

EDT to our warehouse: 4-6 weeks

Order only

Weidmüller Relay Module TERMSERIES Contacts 1, CO contact AgNi gold-plated Uctrl 60 V UC ±10 % Icont 6 A, PUSH IN TestBtn No

18,90 €

MOQ: 10

This price is valid until next price list or while stock lasts

Subtotal: 189,00 € MOQ: 10

EAN: 4050118670769

MPN: 2618070000

Box: 1

EDT to our warehouse: 4-6 weeks

Order only

Weidmüller Relay Module TERMSERIES Contacts 1, CO contact AgNi gold-plated Uctrl 12 V DC ±20 % Icont 6 A, PUSH IN TestBtn No

13,55 €

MOQ: 10

This price is valid until next price list or while stock lasts

Subtotal: 135,50 € MOQ: 10

EAN: 4050118670714

MPN: 2618120000

Box: 1

EDT to our warehouse: 4-6 weeks

Order only

Weidmüller Relay Module TERMSERIES Contacts 1, CO contact AgNi gold-plated Uctrl 24 V DC ±20 % Icont 6 A, PUSH IN TestBtn No

12,52 €

MOQ: 100

This price is valid until next price list or while stock lasts

Subtotal: 1 252,00 € MOQ: 100

EAN: 4050118670721

MPN: 2618110000

Box: 1

EDT to our warehouse: 4-6 weeks

Order only

Weidmüller Relay Module TERMSERIES Contacts 1, CO contact AgNi Uctrl 60 V UC ±10 % Icont 6 A, PUSH IN TestBtn No

18,26 €

MOQ: 10

This price is valid until next price list or while stock lasts

Subtotal: 182,60 € MOQ: 10

EAN: 4050118670691

MPN: 2618140000

Box: 1

EDT to our warehouse: 4-6 weeks

Order only

Weidmüller Relay Module TERMSERIES Contacts 2, CO contact AgNi Uctrl 24…230 V UC ±10 % Icont 8 A, PUSH IN TestBtn No

22,21 €

MOQ: 10

This price is valid until next price list or while stock lasts

Subtotal: 222,10 € MOQ: 10

EAN: 4050118698039

MPN: 2663040000

Box: 1

EDT to our warehouse: 4-6 weeks

Order only

Weidmüller Relay Module TERMSERIES Contacts 1, CO contact AgSnO Uctrl 24…230 V UC ±10 % Icont 6 A, PUSH IN TestBtn No

27,84 €

MOQ: 10

This price is valid until next price list or while stock lasts

Subtotal: 278,40 € MOQ: 10

EAN: 4050118697919

MPN: 2663160000

Box: 1

EDT to our warehouse: 4-6 weeks

Order only

Weidmüller TERMSERIES, Relay module, Number of contacts: 1, CO contact AgNi, Rated control voltage: 24 V DC ±20 %, Continuous current: 6 A, PUSH IN, Test button available: No

8,74 €

MOQ: 10

This price is valid until next price list or while stock lasts

Subtotal: 87,40 € MOQ: 10

EAN: 4064675426967

MPN: 2834800000

Package: 1

EDT to our warehouse: 4-6 weeks

Order only

Weidmüller Relay Module TERMSERIES Contacts 1, CO contact AgSnO Uctrl 24 V UC ±10 % Icont 6 A, PUSH IN TestBtn Yes

13,29 €

MOQ: 10

This price is valid until next price list or while stock lasts

Subtotal: 132,90 € MOQ: 10

EAN: 4064675534112

MPN: 2855810000

Box: 1

EDT to our warehouse: 4-6 weeks

Order only

Weidmüller Relay Module TERMSERIES Contacts 1, CO contact AgSnO gold-plated Uctrl 24 V UC ±10 % Icont 6 A, PUSH IN TestBtn Yes

14,65 €

MOQ: 10

This price is valid until 24.12.2026

Subtotal: 146,50 € MOQ: 10

EAN: 4064675534129

MPN: 2855820000

Package: 1

EDT to our warehouse: 1-4 weeks

Order only

Weidmüller Relay Module TERMSERIES Contacts 1, NO contact AgSnO Uctrl 24 V DC ±20 % Icont 6 A, Screw connection TestBtn Yes

10,03 €

MOQ: 10

This price is valid until next price list or while stock lasts

Subtotal: 100,30 € MOQ: 10

EAN: 4064675534150

MPN: 2855850000

Box: 1

EDT to our warehouse: 4-6 weeks

Weidmüller Electromechanical Relays