Schweitzer Engineering Laboratory
2350 N.E. Hopkins Ct.
Pullman, WA 99163
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Encrypting Transceiver enables remote access to equipment.
Supplementing standard wireless communication security protocols, Model SEL-3022 includes NIST-approved 128-bit AES encryption and HMAC SHA-1 message authentication algorithms, allowing users to securely apply wireless communications links between portable computer and remote devices. Software encrypts serial-port data and wirelessly sends it to remote SEL-3022. Transceiver can be used to lock...
Read More »Encrypting Transceiver enables remote access to equipment.
Supplementing standard wireless communication security protocols, Model SEL-3022 includes NIST-approved 128-bit AES encryption and HMAC SHA-1 message authentication algorithms, allowing users to securely apply wireless communications links between portable computer and remote devices. Software encrypts serial-port data and wirelessly sends it to remote SEL-3022. Transceiver can be used to lock...
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Overcurrent/Reclosing Relay suits industrial applications.
With mixed I/O connections and optional front-panel EIA-232 port, SEL-551C facilitates system integration as well as engineering access for monitoring, changing settings, and downloading fault data. It combines overcurrent protection and multi-shot reclosing to protect lines and equipment using mix of phase, negative-sequence, and ground overcurrent elements. Relay enables integration into...
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Overcurrent/Reclosing Relay suits industrial applications.
With mixed I/O connections and optional front-panel EIA-232 port, SEL-551C facilitates system integration as well as engineering access for monitoring, changing settings, and downloading fault data. It combines overcurrent protection and multi-shot reclosing to protect lines and equipment using mix of phase, negative-sequence, and ground overcurrent elements. Relay enables integration into...
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Serial Encrypting Transceiver secures vital communications.
Protecting communications links between control centers, substations, and generating plants against cyber attacks, SEL-3021 uses encryption and session authentication to lock out unauthorized control. Low-latency design suits systems that require time-critical communication, such as SCADA, metering, and protection. Able to be installed in new or existing communications links, bump-in-the-wire...
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Serial Encrypting Transceiver secures vital communications.
Protecting communications links between control centers, substations, and generating plants against cyber attacks, SEL-3021 uses encryption and session authentication to lock out unauthorized control. Low-latency design suits systems that require time-critical communication, such as SCADA, metering, and protection. Able to be installed in new or existing communications links, bump-in-the-wire...
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Computing Platform/Gateway operate in harsh environments.
Pullman, WA -- Schweitzer Engineering Laboratories, Inc. (SEL), a leading manufacturer of protection, monitoring, control, automation, and metering equipment, announces the customizable SEL-3351 Substation Computing Platform designed to replace office-grade PC's in substation environments and the SEL-3301 Protocol Gateway for connecting older and newer equipment. These new rugged computing...
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Computing Platform/Gateway operate in harsh environments.
Pullman, WA -- Schweitzer Engineering Laboratories, Inc. (SEL), a leading manufacturer of protection, monitoring, control, automation, and metering equipment, announces the customizable SEL-3351 Substation Computing Platform designed to replace office-grade PC's in substation environments and the SEL-3301 Protocol Gateway for connecting older and newer equipment. These new rugged computing...
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Relay protects 3-phase motors from thermal overload.
Model SEL-749M protects against nuisance tripping while enabling release of maximum horsepower. True Temperature-Based Thermal Overload Model tracks heating effects of load and current imbalance while motor is accelerating and running, thereby handling all motor operation scenarios. Adaptive Overcurrent Element technology enables unit to protect against high fault-current conditions when Current...
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Relay protects 3-phase motors from thermal overload.
Model SEL-749M protects against nuisance tripping while enabling release of maximum horsepower. True Temperature-Based Thermal Overload Model tracks heating effects of load and current imbalance while motor is accelerating and running, thereby handling all motor operation scenarios. Adaptive Overcurrent Element technology enables unit to protect against high fault-current conditions when Current...
Read More »