Page 276 - EPR Catalog 2015

Electronic protection devices EPD24
Technical data

General data backup fuse for EPD24 not required because of the integral
redundant fail-safe element
Fail-Safe element moulded
Housing material symmetrical rail to EN 50022-35x7.5
Mounting 0...+50 °C (without condensation, see EN 60204-1)
Ambient temperature -20...+70 °C
Storage temperature 96 hrs/95 % RH/40 °C to IEC 60068-2-78, test Cab. climate class
Humidity 3K3 to EN 60721
3 g, test to IEC 60068-2-6 test Fc
3 Vibration housing: IP20 DIN 40050
terminals: IP20 DIN 40050
Degree of protection emission: EN 61000-6-3
EMC susceptibility: EN 61000-6-2
(EMC directive, CE logo) 0.5 kV/pollution degree 2
Isolations coordination reinforced insulation in operating area
(IEC 60934) max. 32 V DC (load circuit)
Dielectric strength n/a, only electronic disconnection
Isolation resistance (OFF condition) UL 2367 Solid State Overcurrent Protectors
UL 1604, (class I, division 2, groups A, B, C, D)
Approvals/Declarations of conformity UL 508
CSA C22.2 No. 213 (class I, division 2)
Dimensions (B x H x T) CSA C22.2 No. 142
Weight CE logo
Terminals 12.5 x 80 x 83 mm
Screw terminals
Max. cable cross section flexible with wire end ferrule w/wo plastic sleeve approx. 65 g
Multi-lead connection (2 identical cables) rigid/flexible
Flexible with wire end ferrule without plastic sleeve Line+/LOAD+/0V
Flexible with TWIN wire end ferrule with plastic sleeve
Wire stripping length M4
Tightening torque (EN 60934)
Terminals 0.5 – 10 mm2
Screw terminals
Max. cable cross section flexible 0.5 – 4 mm2
with wire end ferrule w/wo plastic sleeve
Wire stripping length 0.5 – 2.5 mm2
Tightening torque (EN 60934)
0.5 – 6 mm2

10 mm

1.5 – 1.8 Nm

aux. contacts

M3

0.25 - 2.5 mm2

8 mm

0.5 Nm

Table 1: voltage drop, current limitation, max. load current

current rating typically voltage drop active current max. load current at 100 % ON duty

IN UON at IN limitation (typically) Tambient = 40 °C Tambient = 40 °C

0.5 A 70 mV 1.8 x IN 0.5 A 0.5 A
1A 80 mV 1.8 x IN
2A 130 mV 1.8 x IN 1A 1A
3A 80 mV 1.8 x IN
4A 100 mV 1.8 x IN 2A 2A
6A 130 mV 1.8 x IN
8A 120 mV 1.5 x IN 3A 3A
10 A 150 mV 1.5 x IN
12 A 180 mV 1.3 x IN 4A 4A

6A 5A

8A 7A

10 A 9A

12 A 10.8 A

Attention: when mounted side-by-side without convection the ERD24 should not carry more than 80 % of its rated load with 100 % ON duty due
to thermal effects.

3/77 ABB | Catalog Electronic Products and Relays 2015 | 2CDC 110 004 C0210