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  Mains monitoring relay  (38,820 offers of 6,213,450 product items)

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onsemi, FOD814300W AC Input Phototransistor Output Dual Optocoupler, Through Hole, 4-Pin MDIP / 1662200 (1 offer) 
Optocoupler, AC-Input, Transistor Output, Fairchild Semiconductor. AC or DC input Application in relay contact monitor, industrial controls
onsemi
FOD814300W
£ 0.16*
per piece
 
 pieces
Omron Plug In Relay, 24V dc Coil, 10A Switching Current, 3PDT / 2147237 (1 offer) 
The Omron MKS3P series have plug in relay with 11 pin having 3PDT configuration. This plug in relay have much indicator. This plug in relay have 10 amp current rating.All materials are RoHS complia...
Omron
MKS3P DC24
£ 13.703*
per piece
 
 piece
P.M.A KS45 PID Temperature Controller, 99 x 22.5mm, 2 Output Relay, 90 → 260 V ac Supply Voltage ON/OFF / 6079226 (1 offer) 
PMA KS 45 Temperature Controller. The universal KS 45 controller is designed to provide precise and cost-effective temperature control. The controller output is configurable as a signaller, 2-point...
P.M.A
KS45-112-00000-000
£ 431.387*
per piece
 
 piece
Omron Plug In Non-Latching Relay, 12V dc Coil, 10A Switching Current, 3PDT / 2147240 (1 offer) 
The Omron MKS3PIN series have plug in relay with 11 pin having 3PDT configuration. This plug in relay have much indicator. This plug in relay have 10 amp current rating. This plug in relay have tes...
Omron
MKS3PIN-5 DC12
£ 16.251*
per piece
 
 piece
onsemi, FOD814AS AC Input Phototransistor Output Optocoupler, Surface Mount, 4-Pin MDIP / 1662203 (1 offer) 
Optocoupler, AC-Input, Transistor Output, Fairchild Semiconductor. AC or DC input Application in relay contact monitor, industrial controls
onsemi
FOD814AS
£ 0.154*
per piece
 
 pieces
Omron Plug In Timer Relay, 100-120V ac, 4-Contact, 0.1 → 600s, 4PDT / 2641676 (3 offers) 
Supply Voltage = 100-120V ac Mounting Type = Plug In Mode of Operation = Multifunction Time Range = 0.1 → 600s Number of Contacts = 4 Number of Timer Functions = Multi Function Contact Configuratio...
Omron
H3YN-4 AC100-120
£ 58.48*
per piece
 
 piece
P.M.A KS90 PID Temperature Controller, 96 x 48 (1/8 DIN)mm, 3 Output Relay, 90 → 250 V ac Supply Voltage ON/OFF / 7364821 (1 offer) 
PMA KS 90-1 Temperature Controller. The KS 90-1 process controller is suitable for universal, precise, and cost-effective control. The instrument provides simple 2-point (on/off) control, continuou...
P.M.A
KS90-112-0000D-000
£ 740.607*
per piece
 
 piece
Omron Plug In Non-Latching Relay, 230V ac Coil, 10A Switching Current, 3PDT / 2157865 (1 offer) 
The Omron MKS series of relays are the new super MK models with some boasting a latching lever. They have a mechanical built-in indicator for easy monitoring. Nameplates are also provided on models...
Omron
MKS3PIAC230BYOMZ
£ 14.11*
per piece
 
 piece
onsemi, FOD814S AC Input Phototransistor Output Dual Optocoupler, Surface Mount, 4-Pin MDIP / 1662202 (1 offer) 
Optocoupler, AC-Input, Transistor Output, Fairchild Semiconductor. AC or DC input Application in relay contact monitor, industrial controls
onsemi
FOD814S
£ 0.169*
per piece
 
 pieces
Omron Plug In Timer Relay, 24-48/12-48V ac/dc, 2-Contact, 0.1 → 2160000s, DPDT / 2641623 (2 offers) 
Supply Voltage = 24-48/12-48V ac/dc Mounting Type = Plug In Mode of Operation = Flicker ON Start, Interval, ON Delay, One Shot Time Range = 0.1 → 2160000s Number of Contacts = 2 Number of Timer Fun...
Omron
H3CR-A8-301 AC24-48/DC12-48
£ 114.71*
per piece
 
 piece
P.M.A STB 55 Temperature Limiter, 100 x 50mm Relay, 230 V ac Supply Voltage ON/OFF / 7364758 (1 offer) 
PMA STB 55 Temperature Limiter. The safety temperature limiter STB 55 is used wherever thermal processes need to be monitored, and the plant switched into a safe condition in case of a fault. If th...
P.M.A
STB55-1000-000
£ 766.113*
per piece
 
 piece
Omron Plug In Non-Latching Relay, 230V ac Coil, 5A Switching Current, DPDT / 2147208 (1 offer) 
The Omron G2R series have plug in relay with 230 Vac coil rating. This plug in relay have 05 amp current rating and DPDT configuration. This plug in relay have test button.Provided with nameplate H...
Omron
G2R-2-SNI-AP3 AC230(S)
£ 26.455*
per piece
 
 piece
onsemi, FODM2705R2 AC Input Phototransistor Output Optocoupler, Surface Mount, 4-Pin MFP / 8088865 (1 offer) 
Optocoupler, AC-Input, Transistor Output, Fairchild Semiconductor. AC or DC input Application in relay contact monitor, industrial controls
onsemi
FODM2705R2
£ 0.492*
per piece
 
 pieces
Omron Plug In Timer Relay, 24V dc, 4-Contact, 30s, 1-Function, DPDT / 2641668 (2 offers) 
Supply Voltage = 24V dc Mounting Type = Plug In Mode of Operation = ON Delay Time Range = 30s Number of Contacts = 4 Number of Timer Functions = Single Contact Configuration = DPDT
Omron
H3Y2DC2430SOMI
£ 59.17*
per piece
 
 piece
P.M.A TB 45 PID Temperature Controller, 99 x 22.5mm, 2 Output Relay, 18 → 30 V ac, 18 → 31 V dc Supply / 7364695 (1 offer) 
PMA TB 45 Temperature Limiter. The TB 45 temperature limiter is intended for precise, cost-effective signal monitoring ; limiting tasks. The TB 45 can be used for heating and refrigeration processe...
P.M.A
TB45-113-00000-000
£ 466.685*
per piece
 
 piece
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