DEHNbloc® modular for North America

Modular three-pole Lightning Current Arrester

High discharge current capacity due to powerful creepage discharge spark gap
Directly coordinated with DEHNguard MU surge protective devices without additional cable length
ANSI/UL 1449 – 4^th Ed. open type 1 surge protection device (SPD)

Version

DEHNbloc MU 3PY 208 3W+G R: Modular lightning current arrester for application in 3 phase Wye 208Y/120V electrical systems
DEHNbloc MU 3PY 480 3W+G R: Modular lightning current arrester for application in 3 phase Wye 480Y/277V electrical systems
DEHNbloc MU … R: With remote status indicator for monitoring device (Form C / SPDT contact)

Models

DEHNbloc MU 3PY ... 3W+G

Basic circuit diagram DB MU 3PY ... 3W+G

open PDF

open PDF

DIN rail mount, pluggable lightning current arrester consisting of a base part and plug-in protection modules for application in 3 Phase Wye electrical systems

Specifications

Type
Part No.
SPD classification acc. to ANSI/UL 1449 4^th Ed.
Nominal system voltage [L-G] / [L-L] (U_N)
Nominal power system frequency
Max. continuous operating voltage [L-G] / [L-L] (MCOV)
Lightning impulse current (10x350 µs) (I_imp)
Lightning impulse current (10x350 µs) [L1+L2+L3-G] (I_total)
Nominal discharge current (8x20 µs) (I_n)
Voltage protection rating [L-G] / [L-L] (VPR)
Short circuit current rating (SCCR)
Electrical system
Operating temperature range (T_U)
Visual arrester status (non-power consuming design)
Minimum wire size
Minimum wire size
Terminal torque ratings
Mounting
Enclosure material
Degree of protection
Capacity
Approvals
Remote status contact
Remote status NEC circuits
Remote status wire sizes
Remote status terminal torque ratings
Weight
GTIN
PU
Part No.

DB MU 3PY 208 3W+G R
908 505
Open-Type 1 SPD
120 V a.c. / 208 V a.c.
50 / 60 Hz
150 V a.c. / 260 V a.c.
35 kA
75 kA
20 kA
1500 V_pk / 2500 V_pk
25 kA when installed with any class J fuse (150 - 200 A) or Littlefuse LVSP-60
3 Phase Wye
-40°C…+80°C
Green = Good ; Red = Replace Module
4 AWG / 25 mm²
2 AWG / 35 mm²
65 Lbs-in
35 mm DIN rails acc. to EN 60715
thermoplastic, red, UL 94 V-0
IP20
6 module(s), DIN 43880
UL
Floating (dry), Form C (SPDT)
NEC Class 2 circuits only
AWG 14-22 / 2.5 mm² - 0.34mm²
3 Lbs-in
861 g
4013364228139
1 pc(s)
908 505
Specifications (PDF)

Further Pictures

Basic circuit diagram DB MU 3PY 208 3W+G R — open PDF

Dimension drawing DB MU 3PY 208 3W+G R — open PDF

Further Information

Product Specifications (Text)

Back

DEHNbloc MU 3PY 208 3W+G R  lightning current arrester
3-pole, modular lightning current arrester for
three Phase Wye 120/208V electrical systems
with floating Form C (SPDT) remote status contact
ANSI/UL 1449 – 4th Ed. recognised surge protection device (SPD)
Nominal system voltage:              120/208 V Phase Wye
Voltage Protection Rating [L-G]/[L-L]: 1500 Vpk / 2500 Vpk
Lightning impulse current (10x350):  35 kA
Nominal discharge current (8x20):     20 kA
Short circuit current rating (SCCR):    25 kA
Fault indication
Width: 6 mod.

delivery and installation.

Brand: DEHN

Type: DB MU 3PY 208 3W+G R

Part No.: 908 505

or equivalent.

Certificates

COC 20180425 E319777 Vol1 Sec17

CAD-Data for registered Users

908505.stp
908505.igs
908505.jt
908505.dwg
908505m_E.dxf

DB MU 3PY 480 3W+G R
908 506
Open-Type 1 SPD
277 V a.c. / 480 V a.c.
50 / 60 Hz
320 V a.c. / 555 V a.c.
25 kA
75 kA
20 kA
1800 V_pk / 3000 V_pk
30 kA when installed with any class J fuse (150 - 200 A) or Littlefuse LVSP-60
3 Phase Wye
-40°C…+80°C
Green = Good ; Red = Replace Module
4 AWG / 25 mm²
2 AWG / 35 mm²
65 Lbs-in
35 mm DIN rails acc. to EN 60715
thermoplastic, red, UL 94 V-0
IP20
6 module(s), DIN 43880
UL
Floating (dry), Form C (SPDT)
NEC Class 2 circuits only
AWG 14-22 / 2.5 mm² - 0.34mm²
3 Lbs-in
882 g
4013364228146
1 pc(s)
908 506
Specifications (PDF)