# MCCB, 1P, 20A, 277VAC, DIN RAIL
**URL**: https://novapart.co/products/1C20UL/mccb-1p-20a-277vac-din-rail
**SKU**: 1C20UL
**Manufacturer**: ALTECH
**Category**: Circuit Protection || Circuit Breakers || Thermal Magnetic Circuit Breakers
**Price**: €23.4500
**Stock**: 10+
**Lead Time**: 158 days (indicative)
## Description
Product Range:UL Series; Current Rating:20A; No. of Poles:1 Pole; Voltage Rating VDC:-; Voltage Rating VAC:277V; Circuit Breaker Mounting:DIN Rail 95AK1041
## Specifications
| Parameter | Value |
|---|---|
| Svhc | To Be Advised |
| No. Of Poles | 1 Pole |
| Product Range | UL Series |
| Current Rating | 20A |
| Voltage Rating Vac | 277V |
| Voltage Rating Vdc | - |
| Circuit Breaker Mounting | DIN Rail |
## Datasheet
📄 [Download PDF](https://novapart.co/datasheet/farnell:4565687/)
## UL-Series - UL489 Miniature Molded Case Circuit Breaker - **1 pole C-Trip - AC**
|**One Pole**
**Standard Pack:**12
**Rated**
**Type/**
**Rated**
~~**Current**~~
~~**Cat. No.**~~
~~**Voltage**~~
0.3A
**1C03UL**
277V AC
~~0.5A~~
~~**1C05UL**~~
~~277V AC~~
1.0A
**1C1UL**
277V AC
~~1.6A~~
~~**1C1.6UL**~~
~~277V AC~~
2.0A
**1C2UL**
277V AC
~~3.0A~~
~~**1C3UL**~~
~~277V AC~~
4.0A
**1C4UL**
277V AC
~~5.0A~~
~~**1C5UL**~~
~~277V AC~~
6.0A
**1C6UL**
277V AC
~~8.0A~~
~~**1C8UL**~~
~~277V AC~~
10A
**1C10UL**
277V AC
~~12A~~
~~**1C12UL**~~
~~277V AC~~
13A
**1C13UL**
277V AC
~~15A~~
~~**1C15UL**~~
~~277V AC~~
16A
**1C16UL**
277V AC
~~20A~~
~~**1C20UL**~~
~~277V AC~~
25A
**1C25UL**
277V AC
LISTED
C
US
E329510
C.B.
10-3
4x10-3
10-2
4x10-2
10-1
0.4
1
4
10
1
4
10
40
60
Seconds
Minutes
Tripping time t
**Thermal Overload**
“Must Trip” < 1 hr = 135% RC
“Must Not Trip” > 1 hr = 105% RC
1.05-1.35xIN
C~~C~~
~~——~~
~~ME FE~~
~~a~~
~~LL~~
~~Mea~~
~~| tt~~
bE.
~~|Nee Tt~~
~~|~~
~~>~~
~~a~~
~~=~~
~~ae) ee~~
~~aa~~
~~}~~
~~ne ae~~
u
~~al Gan~~
~~|dL~~
|
~~ett~~
L ~~LUE Pr~~|**One Pole**
**Standard Pack:**12
**Rated**
**Type/**
**Rated**
~~**Current**~~
~~**Cat. No.**~~
~~**Voltage**~~
0.3A
**1C03UL**
277V AC
~~0.5A~~
~~**1C05UL**~~
~~277V AC~~
1.0A
**1C1UL**
277V AC
~~1.6A~~
~~**1C1.6UL**~~
~~277V AC~~
2.0A
**1C2UL**
277V AC
~~3.0A~~
~~**1C3UL**~~
~~277V AC~~
4.0A
**1C4UL**
277V AC
~~5.0A~~
~~**1C5UL**~~
~~277V AC~~
6.0A
**1C6UL**
277V AC
~~8.0A~~
~~**1C8UL**~~
~~277V AC~~
10A
**1C10UL**
277V AC
~~12A~~
~~**1C12UL**~~
~~277V AC~~
13A
**1C13UL**
277V AC
~~15A~~
~~**1C15UL**~~
~~277V AC~~
16A
**1C16UL**
277V AC
~~20A~~
~~**1C20UL**~~
~~277V AC~~
25A
**1C25UL**
277V AC
LISTED
C
US
E329510
C.B.
10-3
4x10-3
10-2
4x10-2
10-1
0.4
1
4
10
1
4
10
40
60
Seconds
Minutes
Tripping time t
**Thermal Overload**
“Must Trip” < 1 hr = 135% RC
“Must Not Trip” > 1 hr = 105% RC
1.05-1.35xIN
C~~C~~
~~——~~
~~ME FE~~
~~a~~
~~LL~~
~~Mea~~
~~| tt~~
bE.
~~|Nee Tt~~
~~|~~
~~>~~
~~a~~
~~=~~
~~ae) ee~~
~~aa~~
~~}~~
~~ne ae~~
u
~~al Gan~~
~~|dL~~
|
~~ett~~
L ~~LUE Pr~~|
|---|---|
|~~30A~~
~~**1C30UL**~~
~~277V AC~~
1
2
3
4 5 6 810
20
40
100||
|**Weight:**
32A
**1C32UL**
277V AC
Multiple of Rated Current
L,||
|0.3-32A:
1.74kg (3.83lb.)
~~40A~~
~~**1C40UL**~~
~~240V AC~~
50A
**1C50UL**
240V AC
0.3A Through 10A Rated Current||
|40-63A:
1.98kg (4.37lb.)
~~60A~~
~~**1C60UL**~~
~~240V AC~~
63A
**1C63UL**
240V AC
40
60
1.05-1.35xIN
~~: oo~~||
**==> picture [157 x 213] intentionally omitted <==**
**----- Start of picture text -----**
1.05-1.35xIN
60
4010 :ME oo FE
Thermal Overload
4 “Must Trip” < 1 hr = 135% RC
“Must Not Trip” > 1 hr = 105% RC
LA 101 aLU
4
a “Une
100.4 [-1] 1 aeae)a a
4x10 [-2] ne) ee
10 [-2] al Gam
4x10 [-3] | [||]
L 10 [-3] LUM | Pr(Sts
1 2 3 4 5 6 8 10 20 40 100
L, Multiple of Rated Current
Minutes
Tripping time t
Seconds
**----- End of picture text -----**
|**Current/ Voltage Rating**
**Calibration Temperature**
**Ambient Temperature**
**Storage Temperature**
**Terminal Torque (min/max)**
**Electrical Life**
**Mechanical Life**
**Vibration Resistance**
**Resistance to mechanical shocks**|0.3 - 63A/ 240V AC, 0.3-32A/ 277V AC*
40ºC (104ºF)
-25ºC to +55ºC (-13ºF to 131ºF )
-40ºC to +70ºC (-40ºF to 158ºF )
2 Nm (17.7 lb.in.) / 2.5Nm (22.2 lb.in)
6000 switching cycles ON/ OFF
10000 switching cycles ON/ OFF
> 15g according to DIN EN 60069-2-59 during a load
with I1 = 1.05 x IN
25g @ 11ms|
|---|---|
* _One device dual voltage ratings._
**==> picture [178 x 191] intentionally omitted <==**
**----- Start of picture text -----**
51.5 mm
37.5 mm
25.5 mm
6 7
be
17.5 mm 8 4
1 Pole
14.5 mm
30.5 mm
a 51.5 mm
36.8 mm
105.3 mm 34.5 mm 45 mm
36.5 mm
52.5 mm
**----- End of picture text -----**
12A Through 63A Rated Current
## **“C” Magnetic Trip Parameters**
Rated current 0.3A to 63A.
1. Hold for a minimum of 100ms at surge of 5 times rated current. 2. Trip in under 100ms at 10 times rated current.
## Short Circuit Interrupting Capacity
## AC
|**No.**||||
|---|---|---|---|
|**No.**
**Poles**|**Type**|**03-32A**|**33-63A**|
|1|AC|10kA @ 120, 240,
277V|10kA @ 120,
240V|
**==> picture [18 x 4] intentionally omitted <==**
**----- Start of picture text -----**
68.4 mm
**----- End of picture text -----**
## Links
- [View this product on Novapart](https://novapart.co/products/1C20UL/mccb-1p-20a-277vac-din-rail)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/altech/1c20ul/mccb-1p-20a-277vac-din-rail/dp/4565687)
---
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