Boiler house

Blowdown vessels

2.9.3

Technical data BT1050

Power supply

Mains voltage range

Power consumption

General

Maximum altitude

Ambient temperature limits

Maximum relative humidity

Overvoltage category

Pollution degree

Enclosure rating

(front panel only)

LVD (safety)

EMC

Enclosure

Front panel

Solder

Termination

Cable size

110 Vac to 240 Vac at 50 / 60 Hz

7.5 W (maximum)

Indoor use only

2 000 m (6 562 ft) above sea level

0 - 55 °C

80% up to 31 °C decreasing linearly to 50% at 40 °C

2 (as supplied)

3 (when installed in an enclosure) - Minimum of IP54 or UL50 /

NEMA Type 3, 3S, 4, 4X, 6, 6P or 13.

NEMA type 4 hose down only (UL approval) and IP65 (verified

by TRAC Global)

Electrical Safety EN 61010-1

UL61010-1, 3rd Edition, 2012-05

CAN/CSA-C22.2 No. 61010-1, 3rd Edition, 2012-05

EN 61326: A1 + A2 Annex A Table 1 for industrial locations

EN 61326: A1 + A2 Class A Table 4

Polycarbonate

Silicone rubber, 60 shore.

Tin / lead (60 / 40%)

Rising clamp plug-in terminal blocks with screw connectors.

Caution: Use only the connectors supplied by Spirax Sarco Ltd.

Safety and Approvals may be compromised otherwise.

0.2 mm2 (24 AWG) to 2.5 mm2 (12 AWG).

5 - 6 mm

High temperature

Screened

2

1 – 1.5 mm2 (18 - 16 AWG)

100 m (328 ft)

Prysmian (Pirelli) FP200, Delta Crompton Firetuf OHLS

Environmental

Immunity

Emissions

Material

Material

Mains and signal connector

Switch box and

Lockout (link)

circuit

Cable / wire

and

connector

data

Stripping length

Type

Shield type

Number of cores

Gauge

Maximum length

Recommended type

Type

Shield type

Number of pairs

Gauge

Maximum length

Recommended type

EIA RS485 twisted pair

Screened

2 or 3

0.23 mm2 (24 AWG)

1200 m (4000 ft)

Alpha wire 6413 or 6414

RS485

communication

Please note that LAN Cat 5 or

Cat 5E ScTP (screened), FTP

(foil) or STP (shielded) cable can

be used, but limited to 600 m.

Page 2 of 4

TI-P405-40 AB Issue 4

BT1050 Boiler Blowdown Timer