MU320A

Photo is representative

Hager MU320A 20A 3P C-Curve MCB 6kA 3 Module

Product Information

Stock Code MU320A
GTIN 3250614517341
Stock status: Available for delivery

priced individually

Net price: €36.25

Gross price

€44.59

Branch Stock

Monaghan

Stock status: 2 in stock
Open · Closes 6:00 PM
Directions Call
Address & hours
Monaghan, Plantation Road, Co. Monaghan, H18 E781, Ireland
+353 47 81135
Mon – Thu
8:00 AM – 6:00 PM
Fri
8:00 AM – 5:00 PM
Sat
9:00 AM – 1:00 PM
Sun
Closed

Cavan

Stock status: 1 in stock
Open · Closes 6:00 PM
Directions Call
Address & hours
Cavan, Unit 7, Kilmore Business Park, Dublin Road, Co. Cavan, H12 PV48, Ireland
+353 49 4365190
Mon – Thu
8:00 AM – 6:00 PM
Fri
8:00 AM – 5:00 PM
Sat
9:00 AM – 1:00 PM
Sun
Closed

Carrickmacross

Stock status: 3 in stock
Open · Closes 6:00 PM
Directions Call
Address & hours
Carrickmacross, Ardee Rd, Co. Monaghan, A81 Y573, Ireland
+353 42 9663322
Mon – Thu
8:00 AM – 6:00 PM
Fri
8:00 AM – 5:00 PM
Sat
9:00 AM – 1:00 PM
Sun
Closed
Fast dispatch from stock
Mon–Fri Free delivery over €61.50
Usually 1–3 working days 28-day returns
On unused items
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Hager MU320A is a 3-pole 20A miniature circuit breaker with C-curve protection. Rated for 400V AC, 50–60 Hz distribution in commercial and industrial boards.

  • 20A rated current, 6kA breaking capacity (IEC 60898-1)
  • C-curve trip: suitable for standard loads, some inrush tolerance
  • 3 modules wide, DIN rail mount, 360° rotation possible
  • Screw terminals: 1–35 mm² rigid, 1–25 mm² flexible cable
  • Operating range –25°C to 70°C, IP20 rated
Specifications

Current Rating

20A

Voltage

400V AC

Frequency

50–60 Hz

Breaking Capacity (Icn)

6 kA (IEC 60898-1)

Service Breaking Capacity (Ics)

7.5 kA at 230V AC (IEC 60947-2)

Trip Curve

C

Poles

3P

Module Width

3 modules

IP Rating

IP20

Operating Temperature

-25°C to 70°C

Cable Range (Rigid)

1–35 mm²

Cable Range (Flexible)

1–25 mm²

Mounting

DIN rail, 360° rotation possible

Terminal Type

Screw terminal

Documents

datasheet MU320A

Hager Electrical Distribution

Further reading

Consumer units and fuse boards in Ireland: Hager SBE8101SPD consumer unit

Consumer Units and Fuse Boards in Ireland: Choosing a Board, Including Garages and Outbuildings

Fuse board, consumer unit or distribution board: how to size one, what IP30, IP40 and IP65 mean, where surge protection comes in, and what Irish rules say about boards in garages and outbuildings.

Read more
RCBO vs RCD: a Hager RCD (RCCB) next to a Hager one-module RCBO

RCBO vs RCD: Which One Do You Need? (Irish Guide)

RCDs and RCBOs both trip on earth leakage, but only an RCBO also protects a single circuit against overcurrent. How they differ, how they are rated and where each fits under I.S. 10101.

Read more