Explosion Protected Crane Electric & Components


Control box

Main control box & Hoist control box

Rated 

Zone 1 and Zone 2

Explosion protection: Gas   - II 2 G EEx de IIC T4
Control voltage : 42V, 230V
Power supply  400V, 3 phase, 50Hz
Temperature range: -20ˇăC to +40ˇăC
Protection class: IP 55
Material : Housing & terminal box : Sheet metal
Cover : Light metal
Paint : Textured stove-enamel, 
housing : pale grey
Cover : Umber grey
Control : All hoisting, traveling motions are designed for 2 speeds
Cable entry : Via ex glands

 

Travel drive (Brake motor)

Brake motor with brake disc and centrifugal mass. Smooth acceleration and braking characteristics for minimum swinging of load.

Rated 

Zone 1 and Zone 2

Explosion protection: Gas   - II 2 G EEx de IIB/C T4
Control voltage : 42V, 230V
Power supply  3 phase, 50Hz - 230V, 380V, 400V, 415V, 500V
3 phase, 60Hz - 380V, 440V, 460V, 480V, 600V
Other voltage - on request
Temperature range: -20ˇăC to +40ˇăC
Other temperature - on request
Protection class: IP 54, Other protection - on request
Control : All hoisting, traveling motions are designed for 2 speeds

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Control pendent
Rated 

Zone 1 and Zone 2
Zone 21 and Zone 22

Explosion protection: Gas   - II 2 G EEx de IIC T6
Dust   - II 2 D EEx de IIC T6
Rated insulated voltage : 500V Max.
Temperature range: -20ˇăC to +40ˇăC
Protection class: IP 66
Material : Housing  : Impact-resistant moulded insulating material
Control : Contact elements are two-steps, this permit speedy changeover from 'fast' to 'slow' and vice versa.

 

Junction box

Rated 

Zone 1 and Zone 2
Zone 21 and Zone 22

Explosion protection: Gas - II 2 G EEx edm ia/ib [ia] IIC T6,T5 / T4
Dust - EEx e: II 2 D IP 66 T80 ˇăC, T95 ˇăC,
                      T130 ˇăC
          EEx i : II 2 D IP 66 T80 ˇăC
Temperature range: EEx e : - 20 ˇăC ... + 40 ˇăC (T6)
            - 20 ˇăC ... + 55 ˇăC (T5)
EEx i  : - 20 ˇăC ... + 75 ˇăC (T6) 
Protection class: IP 66
Material : Enclosure of polyester resin
Terminals : Max. nominal cross-section 240 mm2

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Position switch
Rated 

Zone 1 and Zone 2
Zone 21 and Zone 22

Explosion protection: Gas   - II 2 G EEx de IIC T6
Dust   - II 2 D IP65 T80 ˇăC
Rated voltage : 500V AC. 250V DC, Max.
Rated current : 10 Amp Max.
Temperature range: - 20 ˇăC ... + 70 ˇăC (6 A)
Protection class: IP 65
Material : Enclosure Polyamide, glass fibre-reinforced; black

 

Isolator

Rated 

Zone 1 and Zone 2
Zone 21 and Zone 22

Explosion protection: Gas   - II 2 G EEx de IIC T6
Dust   - II 2 D IP65 T80 ˇăC
Poles 3 pole & 6 pole
Rated working voltage : 690 V AC
Rated current : 16 Amp - 160 Amp
Temperature range: -20ˇăC to +40ˇăC
Protection class: IP 65 / IP 55

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Rotomatik (S) Pte Ltd