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  9. Electrical Relays
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  11. Safety Monitoring Relays

Safety Monitoring Relays (311 items) - Page 3

Diversified SLA Series Three-Phase Monitoring Relay SLA-120-ALE
Diversified

SLA Series Three-Phase Monitoring Relay

Zoro # G209227229
Mfr # SLA-120-ALE
product price:  $550.99
/ea
Siemens SIRIUS safety relay Basic unit Advanced series with time delay 5-300 s 3SK1121-1CB44
Siemens

SIRIUS safety relay Basic unit Advanced series with time delay 5-300 s

Zoro # G616039934
Mfr # 3SK1121-1CB44
product price:  $655.99
/ea
Pilz Safety Relay 750105
Pilz

Safety Relay

Zoro # G623561848
Mfr # 750105
product price:  $643.99
/ea
Abb 1SNA645051R0400, OBOC2000-24VDC, PK 10 1SNA645051R0400
Abb

1SNA645051R0400, OBOC2000-24VDC, PK 10

Zoro # G9281978
Mfr # 1SNA645051R0400
product price:  $1,103.99
/pk 10, $110.40/ea
Schneider Electric Current control relay, Harmony Control Relays, 5A, 2CO, 2.500mA, 24.240V AC DC RM35JA31MW
Schneider Electric

Current control relay, Harmony Control Relays, 5A, 2CO, 2.500mA, 24.240V AC DC

Zoro # G0572105
Mfr # RM35JA31MW
product price:  $159.99
/ea
Siemens Monitoring relay can be mounted to Contactor 3RT2 3RR2242-1FA30
Siemens

Monitoring relay can be mounted to Contactor 3RT2

Zoro # G716040168
Mfr # 3RR2242-1FA30
product price:  $332.99
/ea
Sold in mult. of 2 for $665.98
Siemens SIRIUS safety relay safety-oriented Standstill monitoring 24 V DC 45 mm 3TK2810-0BA01
Siemens

SIRIUS safety relay safety-oriented Standstill monitoring 24 V DC 45 mm

Zoro # G216039914
Mfr # 3TK2810-0BA01
product price:  $1,679.99
/ea
Siemens analog adjustment monitoring relay phase failure phase sequence 3UG5514-1BR20
Siemens

analog adjustment monitoring relay phase failure phase sequence

Zoro # G416040154
Mfr # 3UG5514-1BR20
product price:  $252.99
/ea
Sold in mult. of 2 for $505.98
Diversified UOA Series Single Phase Under Voltage Monitoring Relay UOA-208-ALA
Diversified

UOA Series Single Phase Under Voltage Monitoring Relay

Zoro # G809227216
Mfr # UOA-208-ALA
product price:  $219.99
/ea
Siemens Analog monitoring relay Fill level monitoring Resistance monitoring from 2 3UG4501-1AW30
Siemens

Analog monitoring relay Fill level monitoring Resistance monitoring from 2

Zoro # G316040148
Mfr # 3UG4501-1AW30
product price:  $234.99
/ea
Sold in mult. of 3 for $704.97
Siemens monitoring relay phase failure phase sequence and asymmetry monitoring 3x 3UG5512-1BR20
Siemens

monitoring relay phase failure phase sequence and asymmetry monitoring 3x

Zoro # G816040143
Mfr # 3UG5512-1BR20
product price:  $202.99
/ea
Sold in mult. of 3 for $608.97
Omron HVY D RLY 4PSTNO ADPSTNC 24DC G7Z-4A-02Z-R DC24V
Omron

HVY D RLY 4PSTNO ADPSTNC 24DC

Zoro # G610080185
Mfr # G7Z-4A-02Z-R DC24V
product price:  $249.99
/ea
Phoenix Contact PSR-SCP- 24UC/ESAM4/8X1/1X2 Safety 2963912
Phoenix Contact

PSR-SCP- 24UC/ESAM4/8X1/1X2 Safety

Zoro # G416098315
Mfr # 2963912
product price:  $894.99
/ea
Schmersal Srb-301-Mc 24V Ac/Dc Universal Safety Relay 161190684
Schmersal

Srb-301-Mc 24V Ac/Dc Universal Safety Relay

Zoro # G621953232
Mfr # 161190684
product price:  $502.99
/ea
Siemens SIRIUS safety relay Basic unit Standard series electronic enabling circuits 3SK1112-2BB40
Siemens

SIRIUS safety relay Basic unit Standard series electronic enabling circuits

Zoro # G616039897
Mfr # 3SK1112-2BB40
product price:  $325.99
/ea
Sold in mult. of 2 for $651.98
Diversified PBD Series 3-Phase Sequence & Voltage Band Monitor Relays PBD-480-ALE
Diversified

PBD Series 3-Phase Sequence & Voltage Band Monitor Relays

Zoro # G709227316
Mfr # PBD-480-ALE
product price:  $517.99
/ea
Schmersal Safety-monitoring modules, SRB-E-301MC, 1 Signalling contact, Plug-in screw terminals with coding,  103014374
Schmersal

Safety-monitoring modules, SRB-E-301MC, 1 Signalling contact, Plug-in screw terminals with coding,

Zoro # G021953399
Mfr # 103014374
product price:  $431.99
/ea
Abb 1SVR730774R1300, CM-PAS.31S THREE-PHASE MON. 1SVR730774R1300
Abb

1SVR730774R1300, CM-PAS.31S THREE-PHASE MON.

Zoro # G9283168
Mfr # 1SVR730774R1300
product price:  $451.99
/ea
Abb 1SVR730840R0700, CM-SRS.M2S CURRENT MON. RELAY 1SVR730840R0700
Abb

1SVR730840R0700, CM-SRS.M2S CURRENT MON. RELAY

Zoro # G9282179
Mfr # 1SVR730840R0700
product price:  $537.99
/ea
Siemens Relay, 6 Pins, 90 to 400V AC 3UG4616-1CR20
Siemens

Relay, 6 Pins, 90 to 400V AC

Zoro # G2051597
Mfr # 3UG4616-1CR20
product price:  $316.99
/ea
Siemens Relay, 6 Pins, 90 to 400V AC 3UG4618-1CR20
Siemens

Relay, 6 Pins, 90 to 400V AC

Zoro # G2051676
Mfr # 3UG4618-1CR20
product price:  $318.99
/ea
Macromatic Seal/Temp Relay TCP7G250-G
Macromatic

Seal/Temp Relay

Zoro # G808377837
Mfr # TCP7G250-G
product price:  $140.99
/ea
Schneider Electric Force, In 24V AC/DC XPSUAK12AP
Schneider Electric

Force, In 24V AC/DC

Zoro # G103529139
Mfr # XPSUAK12AP
product price:  $310.99
/ea
Schmersal Srb-E-322St Multi-Function Safety Modules 103008184
Schmersal

Srb-E-322St Multi-Function Safety Modules

Zoro # G921953352
Mfr # 103008184
product price:  $855.99
/ea
Phoenix Contact PSR-SCP- 24UC/ESA2/4X1/1X2/B Safety 2963802
Phoenix Contact

PSR-SCP- 24UC/ESA2/4X1/1X2/B Safety

Zoro # G816098311
Mfr # 2963802
product price:  $291.99
/ea
Pilz Safety Relay 777301
Pilz

Safety Relay

Zoro # G023561882
Mfr # 777301
product price:  $309.99
/ea
Phoenix Contact PSR-SCP- 24UC/ESAM4/2X1/1X2 Safety 2900525
Phoenix Contact

PSR-SCP- 24UC/ESAM4/2X1/1X2 Safety

Zoro # G716098312
Mfr # 2900525
product price:  $301.99
/ea
Phoenix Contact PSR-SCP- 24UC/ESAM4/3X1/1X2/B Safety 2900509
Phoenix Contact

PSR-SCP- 24UC/ESAM4/3X1/1X2/B Safety

Zoro # G916098310
Mfr # 2900509
product price:  $321.99
/ea
Siemens analog monitoring relay voltage monitoring from 10 to 600 V AC/DC overshoot 3UG5532-2AW30
Siemens

analog monitoring relay voltage monitoring from 10 to 600 V AC/DC overshoot

Zoro # G016040141
Mfr # 3UG5532-2AW30
product price:  $232.99
/ea
Sold in mult. of 2 for $465.98
Schneider Electric Expansion module, Modicon MCM, 2 safety relay outputs, screw XPSMCMER0002
Schneider Electric

Expansion module, Modicon MCM, 2 safety relay outputs, screw

Zoro # G7688314
Mfr # XPSMCMER0002
product price:  $235.99
/ea
Siemens SIRIUS safety relay Basic unit Standard series electronic enabling circuits 3SK1112-1BB40
Siemens

SIRIUS safety relay Basic unit Standard series electronic enabling circuits

Zoro # G216039945
Mfr # 3SK1112-1BB40
product price:  $253.99
/ea
Sold in mult. of 2 for $507.98
Siemens monitoring relay phase failure phase sequence and asymmetry monitoring 3x 3UG5512-1AR20
Siemens

monitoring relay phase failure phase sequence and asymmetry monitoring 3x

Zoro # G916040166
Mfr # 3UG5512-1AR20
product price:  $238.99
/ea
Sold in mult. of 3 for $716.97
Schneider Electric Voltage Relay 250V 5Amp Rm35 RM35UA12MW
Schneider Electric

Voltage Relay 250V 5Amp Rm35

Zoro # G0854467
Mfr # RM35UA12MW
product price:  $173.99
/ea
Siemens SIRIUS safety relay Basic unit Advanced series with time delay 0.05-3 s 3SK1121-1CB41
Siemens

SIRIUS safety relay Basic unit Advanced series with time delay 0.05-3 s

Zoro # G616039927
Mfr # 3SK1121-1CB41
product price:  $655.99
/ea
Pilz Safety Relay 750103
Pilz

Safety Relay

Zoro # G523561719
Mfr # 750103
product price:  $384.99
/ea
Siemens analog monitoring relay voltage monitoring from 17 to 275 V AC/DC overshoot 3UG5533-2AL30
Siemens

analog monitoring relay voltage monitoring from 17 to 275 V AC/DC overshoot

Zoro # G616040138
Mfr # 3UG5533-2AL30
product price:  $232.99
/ea
Sold in mult. of 2 for $465.98
Safety Monitoring Relays (311 items) - Page 3
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About Safety Monitoring Relays

Safety Monitoring Relays are an important tool for ensuring the safety of people and machines in a wide range of industries. They are designed to monitor and detect potential hazardous conditions, and then shut off the power or activate a warning system in order to prevent any potential harm.

Types of Safety Monitoring Relays

Safety Monitoring Relays come in a variety of forms depending on the application they are being used for. Some common types include emergency stop relays, shock relays, overload relays, and two-hand control relays. Each type is designed to monitor different aspects of safety while providing reliable protection.

How Safety Monitoring Relays are Made

Safety Monitoring Relays are typically constructed with electrical components such as contactors, circuit breakers, fuses, resistors, and transistors. The materials used to make them must be able to withstand extreme temperatures and harsh environments in order for them to work properly.

Industries that use Safety Monitoring Relays

Safety Monitoring Relays can be found in many different industries such as manufacturing plants, automotive factories, chemical plants, food processing facilities and other industrial settings. Professionals who use these devices rely on their accuracy and reliability when it comes to protecting personnel from potential dangers.

Find the Safety Monitoring Relays You Need at Zoro

Looking for a specific item? Use our robust search tool to find it by name or keyword, or use our handy filters to narrow down our full assortment. You can also check out our whole selection of electrical supplies, along with other tools or equipment to ensure you have all you need to tackle the job, especially if you're taking on a DIY project for the first time.
Plus, when you shop at Zoro, you'll always enjoy competitive prices on tons of great brands you know and trust. We make the shopping experience as fast and seamless as possible with free shipping on orders over $50 for registered users, Net 30 payment terms for qualifying customers, and an unparalleled customer service experience.

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