Basler Electric Co.
Highland, IL 62249
Aug 08, 2008 Models BE1-50/51B-235 and 237 are self-powered, single phase, overcurrent plug and play replacement relays that help electric utilities meet NESC 410.A.3 requirement by reducing duration of arc through fast fault clearing. Units directly fit into existing case without need for rewiring.

Dwyer Instruments, Inc.
Michigan City, IN 46361 0373
Jul 17, 2008 Series LDT monitors shaft seal and stator temp of submersible pump to help prevent failure. When leak is detected, output relay energizes, and LED indicator illuminates. Relay automatically resets when seal failure condition clears. NC temperature switch, mounted on stator, detects over-temperature, and bi-stable relay retains its position during power loss and latches on until remote reset button is pressed. Leak sensitivity is adjustable from 1 k to 35 kW.

Dwyer Instruments, Inc.
Michigan City, IN 46361 0373
Jul 17, 2008 Single-channel Series SLD monitors shaft seal of submersible pump to detect leak before pump failure. Leak is detected by sensing status of float or conductivity switch installed in seal cavity. When resistance drops below set sensitivity, output relay energizes and LED indicator illuminates. Utilizing 120 Vac control voltage, relays offer sensitivities of 470 W fixed, 470 to 10 kW adjustable, and 4.7 k to 100 kW adjustable.

Macromatic Controls, LLC
Menomonee Falls, WI 53051
Feb 21, 2008 Comprised of intrinsically safe control switch input and electromechanical relay output, ISP Series provides safe method to control load with input device located in hazardous area. Products are incapable of releasing sufficient energy to cause accidental ignition of hazardous material by minimizing current level on input side of unit. When control switch in hazardous area is closed, relay is energized. When control switch is opened, relay is de-energized.

Dwyer Instruments, Inc.
Michigan City, IN 46361 0373
Feb 08, 2008 Used to monitor shaft seal of pumps before failure, Series DLD dual-channel leak detection relay finds leaks by sensing status of float or conductivity switch installed in seal cavity. It offers NO relay contacts to energize alarm and deenergize pump in event of leak and includes LED indicator. Installed via 2-pin octal mount, unit is available in sensitivities of 10-25 kW adjustable and 4.7-100 kW adjustable. All models utilize 120 Vac control voltage.

Trident Systems Incorporated
Fairfax, VA 22030
May 30, 2007 Sentry Node is designed to meet hand-emplaced unattended sensor needs for tactical C4ISR and force protection requirements. While node's organic passive infrared sensors can be used in trip-wire mode for detection and warning functions, node can also relay data for external seismic, acoustic, or imagery sensors. Solution features active GPS, integrated anti-tamper, and encryption features; sets up in as little as 5 min; and is sensor- and Common Operational Picture-agnostic.

Rockwell Automation
Milwaukee, WI 53204
Sep 20, 2006 Housed in 67.5 mm wide DIN-rail mount package with removable terminals, Model MSR142RTP features 7 safety outputs, 4 auxiliary outputs, and 2 solid-state auxiliary outputs. It accepts both solid state and electromechanical inputs. Featuring removable coded terminals and LED diagnostics, Model MSR144RTP can be connected in 4 input wiring configurations. It is encased in IP40-rated, Polyamide PA 6.6 housing and offers 35 mm DIN rail mounting capabilities.

Scientific Technologies Inc.
Fremont, CA 94555
Aug 25, 2006 Able to be applied with various protective devices, SR103AM dual-channel fixed terminal relay provides control reliability. It is designed for single or dual NC inputs or dual solid-state inputs from safety light curtain and provides 3 NO outputs to route power to coils of power contactors. For signaling purposes, 1 NC auxiliary output is also included. External Device Monitoring comes standard, and monitored manual or automatic/manual reset modes are available.

Rockwell Automation
Milwaukee, WI 53204
Jul 25, 2006 Featuring gold-plated bifurcated control contacts, Bulletin 100S and 104S Safety Contactors are designed to meet demands for low power applications. While optimized for 24 Vdc operation, units can perform down to 5 V/3 mA. They include mechanically linked or mirror contact performance, red housing for identification, permanently mounted auxiliary contract block, and protective cover to help prevent manual operation or product tampering.

Control Chief Corp.
Bradford, PA 16701 0141
Apr 03, 2006 Safety Watchdog Module features 2 dedicated watchdog relays and 6 general purpose relay outputs, all of which are rated for 10 A @ 120 Vac resistive load. Independent watchdog circuits, Watchdog One and Watchdog Two, respectively monitor overall SLC processor health and ladder logic activity. Concerning output configuration options, both watchdog relay outputs can be connected in series and are also available individually.

Panasonic Electric Works Corporation of America
New Providence, NJ 07974
Dec 02, 2005 Complying with EN50205 Type A, 4-pole SFS features forcibly guided contacts, built-in LED indicator, and 40 x 13 x 24 mm profile. Safety features include 8 ms max response time and min shock resistance of 200 m/s². Available in 2a2b, 3a1b, 4a2b, 5a1b, and 3a3b contact arrangements, relay suits applications such as machine tools, elevator/escalator control, factory automation, and automotive manufacturing lines. PC board sockets are available.

ADLINK Technology Inc.
Irvine, CA 92618
Nov 10, 2005 With support for 3.3 and 5 V Universal PC bus, PCI-7260 has 8 channels, each of which switches 5 A currents at 250 Vac or 30 Vdc. It also offers 8 isolated digital input channels with debouncing circuits. Along with emergency shutdown function, product features front panel connector that can carry high currents and facilitates wiring. Trace space, trace width, and copper thickness are designed to follow EN61010-1 safety standards to carry high currents over PCB.

Norstat Inc.
Mansfield, OH 44903
Oct 10, 2005 Designed for monitoring emergency stop and safety gate applications, SAFE 4 series features 3 normally open and one auxiliary normally closed contacts. LED indicators relay state of operation and channel power status. Housed in compact, 22.5 mm package, series includes 24 V as well as 110 and 230 V models and meets safety requirements for applications up to and including Category 4, with CE and TUV or BG approval.

Scientific Technologies Inc.
Fremont, CA 94555
Aug 31, 2005 Microprocessor-controlled, multifunction Model RM-5 Resource Module provides 2 NO and 1 NC force-guided safety contacts. It includes muting function for conveyor applications and Presence Sensing Device Initiation, which is used to initiate cycle of machine by counting number of breaks or obstructions of light curtain. Module is CE approved and UL listed to satisfy global application requirements.

Scientific Technologies Inc.
Fremont, CA 94555
May 31, 2005 Equipped with power supply and removable terminal blocks, RM-2AC serves as central point for terminating all signals to and from solid-state safety device. It converts solid-state outputs to force-guided relay outputs. One NO and one NO/NC safety relay output rated at 250 Vac, 6 A can be used as primary switching device or to switch contactor. With 100–240 Vac input, module can monitor switching function of final switching device through MPCE monitoring circuit.

Wieland Electric Inc.
Burgaw, NC 28425
Mar 15, 2005 Available in 12 types, Category 4 Safety Relays offer solid-state interface and supply voltage from 24–230 V. Model SNV 4063KL allows controlled stopping of drive through delayed release of enabling path, while Model SNO 4062KM interfaces with e-stop applications, safety gates, and 4-wire safety mats. Enclosed in 22.5 mm housing, relays provide automatic/manual restart, cross monitoring, synchro-check, power-on reset, delayed contacts, and test pulses for light barriers.

Scientific Technologies Inc.
Fremont, CA 94555
Oct 15, 2004 Fixed terminal relays, Series SR 1000 and removable terminal relays, Series SR 2000 work with many configurations and switching arrangements to meet requirements of safety systems. They accept inputs from variety of safety devices such as E-stops, interlocks, safety mats, and light curtains. Units offer 1, 2, or 3 adjustable time delay outputs for applications requiring time-delayed stop sequence, and 1, 2, or 3 additional outputs without time delay.

Schweitzer Engineering Laboratories Inc.
Pullman, WA 99163
Jul 07, 2004 Microprocessor-based SEL-387L Line Current Relay suits applications with identical-ratio CTs at both ends of line, with digital communications channel interface between relays. Restraint technology provides secure, high-speed ground fault differential and sensitive phase protection, uncompromised by communication asymmetry, CT saturation, or different in-feeds. Negative- and zero-sequence differential elements detect high-resistance ground faults while remaining secure for external faults.

Phoenix Contact
Harrisburg, PA 17111 0100
May 11, 2004 Series PSR offers optmized startup behavior approved to SIL3/IEC 61508. Units provide 2 safely isolated, redundant, normally open contacts and 1 normally closed contact that can switch up to 250 Vac/6 A in 22.5 mm housing. They are suitable for adjusting voltage or power and electrically isolating field applications from control systems.

Norstat, Inc.
Rockaway, NJ 07866
Apr 23, 2004 Intended for applications such as presses or other hazardous machinery where worker's hands might be at risk, Safe Z.2 operates only if both elements are pressed within 0.5 sec of each other. It utilizes 22.4 mm housing, has LED visual indicators for state-of-operation and power indication, and is suitable for applications up to Safety Category 4. Unit comes with 2 NO safety contacts, 1 auxiliary NC contact, and 1 PLC-output.