Housing, Colour

polycarbonate

Operating position

desktop or vertical wall mounting

Weight

~ 2,3 kg

Receiver capsule

dynamic capsule with field

Transmitter capsule

Elektret microphone

Call tone

~ 95 dB (A) in 1 m

Line voltage

24 - 66 V DC

Call frequency

programmable: 16 - 68 Hz

Pulse-break ratio

programmable: 1,5 : 1 60/40 ms
2 : 1 66,7/33,3 ms

Dialling procedure

MFV according to CCITTQ 23

Flash time

~ 80 ms preset
1 ms - 999 ms programmable

Terminals

single or fine wire up to 2,5 mm2

Cable entry

1 x M20x1,5 cable gland
1 x M20x1,5 blind plug
2 x M12x1,5 blind plug

Operating temperature

-20°C to +55°C
(Display: -10°C to +55°C)
Transportation/Warehouse: -25°C to +70°C

Explosion protection class

II 3G Ex nAnL IIC T5
II 3D Ex tD A22 IP65 80° C

Protection class

IP 65 (EN 60529)

Electrical safety

EN 60950

Net access, Acoustics

TBR 21, TBR 38

Incoming telephone line

TCP/La, TCP/Lb

Secondary bell

w1, w

Approval

BVS 09 ATEX E 061