Allen Bradley Guardmaster MSR127TP Safety Relay 230VAC 3NO+1NC USED 440R‑N23130

Compact Allen‑Bradley MSR127TP Guardmaster monitoring safety relay for single‑channel emergency stop or safety gate circuits, with 230 V AC supply and three safety outputs, used but fully functional. Suitable as a replacement module in existing Rockwell/Guardmaster safety systems requiring a Stop Category 0 relay with monitored manual or automatic reset.

What’s included

• 1 x Allen‑Bradley Guardmaster MSR127TP safety relay, Cat. No. 440R‑N23130, Series B.

• DIN‑rail mounting foot and fixed screw terminals as shown; no original box or documentation.

Key specifications

• Brand: Allen‑Bradley Guardmaster (Rockwell Automation).

• Model: MSR127TP single‑function safety relay, part of 440R series.

• Supply: 230 V AC, 50/60 Hz, approx. 2 W.

• Inputs: Single‑channel or dual‑channel E‑stop / safety gate inputs S11‑S12, S21‑S22 with cross‑fault monitoring.

• Outputs: 3 N/O safety contacts (13‑14, 23‑24, 33‑34) plus 1 N/C auxiliary (41‑42).

• Contact ratings: AC‑15 250 V 5 A; DC‑13 24 V 3 A.

• Functional safety: up to PL e, Category 4 per EN ISO 13849‑1; SIL 3 capable per IEC 61508/62061.

Condition notes

• Good used condition with light cosmetic marks on red housing; terminalAllen‑Bradley Guardmaster MSR127TP single‑function safety relay, cat. 440R‑N23130, 230 V AC supply, used and tested in good working condition.

eBay title

Allen Bradley Guardmaster MSR127TP Safety Relay 230VAC 3NO+1NC 440R‑N23130 USED

Description

Compact Allen‑Bradley Guardmaster MSR127TP monitoring safety relay for single‑channel emergency stop/light curtain applications, powered at 230 V AC and providing three safety outputs plus one auxiliary output, in good used condition. Suitable for Category 4 / PL e safety circuits requiring automatic or manual reset and feedback monitoring.

What’s included

• 1 x Allen‑Bradley Guardmaster MSR127TP safety relay, cat. no. 440R‑N23130, Series B, 230 V AC.

• DIN‑rail clip and fixed screw terminals as shown; no original box, plug‑in key, or documentation.

Key specifications

• Brand: Allen‑Bradley / Rockwell Automation Guardmaster.

• Model: MSR127TP single‑function monitoring safety relay, Minotaur family.

• Supply: 230 V AC, 50/60 Hz, approx. 2 W.

• Inputs: 1 or 2 N/C safety channels (E‑stop, gate switch or light curtain) via S11‑S12 and S21‑S22, with cross‑fault monitoring; monitored manual or automatic reset via S33‑S34 depending on wiring.

• Outputs: 3 N/O safety contacts (13‑14, 23‑24, 33‑34) and 1 N/C auxiliary (41‑42).

• Contact ratings: AC‑15 230 V, 5 A; DC‑13 24 V, 3 A.

• Functional safety: up to PL e, Category 4 per EN ISO 13849‑1 when applied per Rockwell guidelines.

Condition notes

• Good used condition with light cosmetic marks on housing; front printing and LEDs are clean and fully readable.

• DIN‑rail latch and terminals intact, showing normal screwdriver marks but no cracked plastic or damage.

• Removed from a working installation; not re‑tested under load by the seller, therefore sold as used, working when removed.