- Bad communication ports
- Broken selector/key switches
- Dead batteries/Bad Battery connections
- Solid or Blinking RED OK Status Light
- Solid or Blinking RED RUN Status Light
- Solid or Blinking RED Fault Status Light
Free UPS Ground on All Orders!
+1 (919) 205-4392
Allen Bradley Guardmaster Safety Relays Repair
We offer extensive repairs for your Guardmaster Safety Relays. We keep many spare parts in stock so that we can repair your Guardmaster Safety Relays as efficiently and effectively as possible. Our standard repair lead time is 3-5 days. However, we can often repair your unit much faster if necessary. We can repair most issues and if for some reason we cannot repair your unit we will do our best to offer a refurbished unit at the repair cost, so that you can get a working unit back as soon as possible!
- 2 Year DO Supply Warranty
- Fast repairs at low costs
- No surprises or up-charges for difficult repairs
- Standard lead time of 2-4 weeks
- Extensive quality control and testing
Get a repair quote
Not an Authorized Distributor: DO Supply is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's
warranty does not apply. All of our products come with DO Supply's 2-year warranty.
Learn more
Hardware issues & error codes we repair
We repair all of the following hardware issues and error codes with your Guardmaster Safety Relays parts.
- Bad analog inputs or ouptus
- Bad digital input or outputs
- Bad relays (stuck on/off)
- Incorrect voltages on inputs or outputs
- Incorrect current on inputs or outputs
- DF1, DH-485, DH+, Profibus, Remote I/ (RIO) failures and more!
- Intermittent communication
- Solid RED/Blinkging RED communication lights
- Devicenet, Ethernet, ControlNet, RS232 ports.
- Missing CJC Jumpers
- Incorrect readings
- Failed inputs
- Dead power supplies
- Incorrect voltage
- Broken Plastic
- Poor Connections
- Bad Slots
Browse Guardmaster Safety Relays Repairs
Browse our catalog of repairable Guardmaster Safety Relays parts to get a quote.
440G-TZS21UPLH
Allen-Bradley manufactures the 440G-TZS21UPLH Guard Locking Switch and it belongs to the Guardmaster Safety Relays series. It operates on a solenoid voltage of 24 Volts AC/DC. This switch's actuator i
Available
440G-TZS21UPRH
This interlock switch is designed for use with 24 V AC/DC solenoid systems and offers a robust holding force of 2000 N (450 lbs). It includes two normally closed safety contacts and one normally open
Available
440G-TZS21UTLH
This guard lock switch features 2 PNP safety contacts along with 1 additional PNP auxiliary contact. It has a robust holding force of 2000N and utilizes an 8-pin micro (M12) connection type. Rated as
Available
440K-A11095
This actuator is a part of the 440 series and is compatible with interlock switch accessories. It allows for effective mounting options. It can thrive in various conditions and is designed to function
Call
440K-C21090
This interlock switch presents a 3 N.C. contact configuration without auxiliary contacts. Rated at IP67, it offers excellent protection against dust and water ingress. The connection type is an M12 mi
Call
440K-MT55102
This interlock switch has a Break-Before-Make (BBM) contact action and is rated IP67 for protection against dust and water. It functions efficiently in temperature ranges between 0 °C and 40 °C and ca
In Stock Ships Today
440K-T11146
This tongue switch features a rated thermal current of 10A and offers one normally open (NO) auxiliary contact. The product is designed with an actuator made of stainless steel and can operate within
Call
440K-T11267
Designed for robust safety solutions, the 440K-T11267 tongue interlock switch has a plastic enclosure and operates effectively with standard actuators. It features a connection type compatible with 1/
Call
440K-T11368
This device is designed with a plastic housing and a GD2 style metal head. The 440K-T11368 contains a total of 6 pins for connection. It is available in a red color type, indicating its safety functio
Available
440L-R4D1200-N
This safety light curtain receiver has a resolution with a beam spacing of 30 mm, ensuring precise area coverage. With an impressive operating range from 0.1 to 8 m, it combines fast response times of
In Stock Ships Today
Showing 31-40 of
138
results