Allen-Bradley 440R-N23152 Guardmaster
Allen-Bradley 440R-N23152 Guardmaster. NJT Automation sources the 440R-N23152 on request; send the part number for a replacement or repair quote.
Quote required. Request a quote below for pricing and delivery.
Actual NJT inventory photos
| Part Number | 440R-N23152 |
| Price | On Request Availability and condition determine final quote. |
| Description | Allen-Bradley 440R-N23152 Guardmaster (Safety Relay Module). Key features: Dual-channel, 24V DC, 3 N.O. safety contacts, 1 N.C. auxiliary contact. |
| Shipping | UPS Ground included | Next-Day Air and Worldwide Shipping available at checkout |
| Warranty | 1-year full-function warranty provided by NJT Automation. Warranty details
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| Returns | 90-day free returns. View return policy |
| Exchange | Send us your defective 440R-N23152 after your purchase for a 10% core credit. We also purchase old or damaged parts outright. |
| Availability | Sourced on request We do not have a 440R-N23152 on the shelf right now. We can source one through our supplier network; request a quote and we confirm availability, price and lead time before you commit. | ||
| Sourcing | Sourced through our Level 1 network of vetted US suppliers. Each unit is checked before it ships and carries the same NJT warranty and return policy as our own stock. Quotes within one hour during business hours; typical delivery 3–5 business days, next-day air available. Sourced parts are not available for local pickup. | ||
| Repairs | 440R-N23152 Mail-In Repair Service | ||
Intended Use | Built for machine safety circuit applications. Guardmaster safety relays monitor e-stops, guard-door switches, light curtains and two-hand controls and drop out the machine's safety outputs, on presses, conveyors, robot cells and packaging equipment up to PLe / SIL 3 depending on model. | ||
Allen Bradley Information | Allen Bradley Guardmaster Safety Relay 440R-N23152 Key Features/Specifications: Dual-channel, 24V DC, 3 N.O. safety contacts, 1 N.C. auxiliary contact. Technical SpecificationsLifecycle status
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| Category | Guardmaster | ||
| Part Number | 440R-N23152 | ||
| Manufacturer | Allen-Bradley | ||
Can the 440R-N23152 be repaired?
Yes. NJT Automation repairs the 440R-N23152 by mail-in: diagnostic evaluation, component-level repair and a functional test, backed by a 1-year full-function warranty.
NJT managed repair. No evaluation fee; no repair, no charge. Prepaid UPS label both ways, $650 minimum, rush available. 1-year full-function warranty included, 2- and 3-year options.
Compare quotes from independent repair technicians. Post your repair on RepairMode to receive competitive bids from experienced technicians. Each technician sets their own pricing and warranty.
Find a repair specialiston RepairMode.com ↗Common failures
Failure patterns we regularly see on Guardmaster safety relay hardware like the 440R-N23152:
- Output contacts welded or burned: relay will not reset or drop out
- Input circuit fault from a wiring or device mismatch (cross-fault detection tripping)
- Reset / monitoring circuit failure: relay will not reset with valid inputs
- Power supply section failure: no power LED
- Age-related drift and slow drop-out on older electromechanical relays
Photos by NJT Automation; test videos from NJT or network repair technicians.
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