Volvo Buses

SMT

Specifications for Volvo BZR Low Entry Electric

The Volvo BZR Low Entry Electric comes in two- and three-axle versions and supports body lengths ranging from 9.9 to 14.8 m. It features a range of configuration options, modular energy storage and choice of charging method.

Talk to a sales person
A Volvo BZR Low Entry Electric 4x2 bus chassis

Floor configuration

Low entry

Battery capacity (nominal)

360 or 450 kWh

Power output

200 or 400 kW

Permitted GVW

20.800 kg

Dimensions

A

Overall length

9.850-13.130 mm

L

Overall width, front wheels or housing

2.500 mm

N

Overall width, rear wheels

With tyres: 295/80 R22.5 8.25x22.5

2.480 mm

C

Frame height

Measured at rear structure. Based on tyres: 295/80 R22.5 8.25x22.5.

1.560 mm

D

Approved wheelbase

4.450-7.400 mm

D

Transport wheelbase

4.000 mm

G

Front overhang

2.500 mm (steering wheel position 1,920 mm)

2.600 mm (steering wheel position 2,020 mm)

H

Rear overhang

3.130 mm

2.900 mm

3.220 mm

S

Steering wheel position

1.920 mm

2.020 mm

I

Track, front

With tyres: 295/80 R22.5 8.25x22.5

2.068 mm

K

Track, rear

With tyres: 295/80 R22.5 8.25x22.5

1.834 mm

O

Approach angle

With tyres: 295/80 R22.5 8.25x22.5

8 ° (steering wheel position 2,020 mm)

P

Departure angle

With tyres: 295/80 R22.5 8.25x22.5

8 °

9 ° (rear overhang 2,900 mm)

Weights

Permitted gross vehicle weight (GVW)

21,000 kg

Permitted front axle load

8.000 kg

Permitted rear axle load

13.000 kg

Driver station

Driver's seat

Volvo dashboard or Limited dashboard, completed by body builder

Dashboard moves with the steering column in height

Available in Standard (fulfilling ISO16121)

Instrument cluster

Full dynamic cluster with 12.3" digital display

Steering wheel buttons for easy access

Integrated radio with Bluetooth mobile connection

Automatic headlamp switch

Charging information

State of charge in %

Remaining distance

Power meter

Features

Tachograph

Longer retarder stalk

Prepared for alcolock

Volvo Dynamic Steering

Rain sensor

Climate system

Roof unit

Chassis prepared for various roof-mounted HVAC units from different suppliers (heating, ventilation and air conditioning, including heat pump functionality).

Auxiliary heater

Traction voltage heaters come preassembled on chassis (0–24 kW).

Electric motor

Motor

EPT402 (1 motor) Electric motor in single configuration with up to 200 kW output strength, or 167 kW continuous power over 30 min. Up to 425 Nm motor torque.
EPT802 (2 motors) Electric motor in dual configuration with up to 2x200 kW output strength, or 334 kW continuous power over 30 min. Up to 850 Nm motor torque

Max wheel torque

20,900 Nm (EPT402)

33,500 Nm (EPT802)

Charging

Charging system

OppCharge Roof-mounted interface for automatic rapid charging en route or in depots, based on open architecture.
CCS charging CCS charging uses the standardised hardware and protocol that has become the de facto standard also for public commercial charging stations..

Charging power

350 kW (OppCharge)

250 kW (CCS)

Charging inlets

CSS charging inlets at front or rear corners

Energy storage system

Battery packs

Cube pack, NCA Nickel cobalt aluminium oxide (NCA) traction batteries, designed and assembled by Volvo. 90 kWh, 535 kg, with multi layer functions for mechanical, thermal and electrical protection.

Voltage

600 V

Number of battery packs

4 or 5

Battery capacity (nominal)

360 or 450 kWh

Temperature control

Liquid-based thermal management system for active cooling and heating

Other

Volvo Ready To Run The bus will keep the batteries in working temperature, to ensure that the bus can be started directly when needed without a pre-heating period. 24 V batteries will be charged from the 600 V battery.

Safety systems

Active safety

Collision Warning with City Brake

Forward Collision Warning

Cruise Control

Intelligent Speed Assist

Side Collision Avoidance Support

Front Short Range Assist

Lane Change Support

Lane Keeping Support

Driver Alert Support

Tire Pressure Monitoring System

Emergency Stop Signal

Driver support

I-Coaching

Volvo Dynamic Steering

Safety Zones

Electronic Stability Control

AVAS – Acoustic Vehicle Alerting System

Electric safety

ESS and driveline monitoring

Active cooling and heating of batteries

Robust mechanical protection of batteries

Multilevel electrical protection

Automatic shutdown at detected risks

Hazardous Voltage Interlock Loop (HVIL)

Battery monitoring

Safety on cell and pack level (monitoring)

Insulation isolation resistance monitoring

Charging safety

Workshop safety

Mechanical protection

E-info session

Rescue sheet

Gearbox

2-speed automated manual transmission Automated 2-speed manual transmission, with software tailored for smooth and energy-efficient operation in a Volvo electric propulsion system.

Axles

Front axle

Rigid Low Front Suspension A rigid front axle designed for low-floor and low-entry buses. It provides easier passenger boarding and disembark, particularly important for city and transit buses with accessibility requirements.

Rear axle (driving)

Volvo RS1228C The RS1228C is a single reduction hypoid axle, intended for tourist coaches and intercity buses with a max. gross vehicle weight of up to 28 tonnes.

Differential lock

Optional

Steering and suspension

Steering wheel side

LHD/RHD

Power steering

Electric driven hydraulic steering

Max wheel angle

With tyres: 295/80 R22.5 8.25x22.5

52 °

Kneeling

Optional

Air bellows, front axle

2

Air bellows, driving axle

4

Features

Volvo Dynamic Steering Real-time computing of driver actions and road data, using an electric actuator to assist the hydraulic steering system for increased stability

Cooling system

Design

Electrically driven fans with improved speed control

Coolant filter

No coolant filter

Features

Thermal management system independent from climate system

Coolant level warning in instrument cluster

Automated control of battery temperature with energy-efficient 600 V active cooling/heating system

Electric driveline and auxiliaries cooling circuit

Waste heat from the driveline circuit is used to heat the battery circuit through a heat exchanger

Air and brake system

Brakes

Volvo disc brakes

Braking systems

Electronic Braking System (EBS 5)

Anti-lock Braking System (ABS)

Anti Slip Regulation (ASR)

Brake blending

Hill Start Aid

Door brake

Brake Assist

Air system

Pneumatic system, easily accessible for external fill

Features

Brake temperature warning

Automatic calibration after brake pad change

Poor brake performance warning

Lining wear sensing and analysis

Wear indicator on brake pads

Electrical system

Consumer batteries

2 x 12 V

2 x 140 Ah / 2 x 170 Ah

Wheels and tyres

Tyres

275/70 R22.5″

295/80 R22.5″

305/70 R22.5″

315/70 R22.5″

Rims

Steel or aluminium rims available

7.50″ x 22.5″

8.25″ x 22.5″

9.00″ x 22.5″

Get the specification in a PDF

Want it all in one document? Download a pdf with all the specifications, facts and figures.

Download as PDF
A Volvo BZR Low Entry Electric 6x2 bus chassis

Floor configuration

Low entry

Battery capacity (nominal)

450, 540 or 630 kWh

Power output

400 kW

Permitted GVW

27.200 kg

Dimensions

A

Overall length

12.830-14.830 mm

L

Overall width, front wheels or housing

2.500 mm

N

Overall width, rear wheels

Based on tyres: 295/80 R22.5 8.25x22.5

2.480 mm

C

Frame height

Measured at rear structure. Based on tyres: 295/80 R22.5 8.25x22.5.

1.560 mm

D

Approved wheelbase

5.500-7.400 mm

D

Transport wheelbase

4.000 mm

B

Bogie distance

1.400 mm

G

Front overhang

2.500 mm (steering wheel position 1,920 mm)

2.600 mm (steering wheel position 2,020 mm)

H

Rear overhang

3.430 mm

2.858 mm

S

Steering wheel position

1.920 mm

2.020 mm

I

Track, front

Based on tyres: 295/80 R22.5 8.25x22.5

2.068 mm

K

Track, rear

Based on tyres: 295/80 R22.5 8.25x22.5

1.834 mm

O

Approach angle

Based on tyres: 295/80 R22.5 8.25x22.5

8 ° (steering wheel position 2,020 mm)

P

Departure angle

Based on tyres: 295/80 R22.5 8.25x22.5

8 °

Weights

Permitted gross vehicle weight (GVW)

27,000 kg

Permitted front axle load

8.000 kg

Permitted rear axle load

11.500 kg

Permitted tag axle load

5,750 kg (bogie load 17,250 kg)

7,500 kg (bogie load 19,000 kg)

Permitted bogie load

17,250 kg

19,000 kg

Driver station

Driver's seat

Volvo dashboard or Limited dashboard, completed by body builder

Dashboard moves with the steering column in height

Available in Standard (fulfilling ISO16121)

Instrument cluster

Full dynamic cluster with 12.3" digital display

Steering wheel buttons for easy access

Integrated radio with Bluetooth mobile connection

Automatic headlamp switch

Charging information

State of charge in %

Remaining distance

Power meter

Features

Tachograph

Longer retarder stalk

Prepared for alcolock

Volvo Dynamic Steering

Rain sensor

Climate system

Roof unit

Chassis prepared for various roof-mounted HVAC units from different suppliers (heating, ventilation and air conditioning, including heat pump functionality).

Auxiliary heater

Traction voltage heaters come preassembled on chassis (0–24 kW).

Electric motor

Motor

EPT802 (2 motors) Electric motor in dual configuration with up to 2x200 kW output strength, or 334 kW continuous power over 30 min. Up to 850 Nm motor torque

Max wheel torque

33,500 Nm

Charging

Charging system

OppCharge Roof-mounted interface for automatic rapid charging en route or in depots, based on open architecture.
CCS charging CCS charging uses the standardised hardware and protocol that has become the de facto standard also for public commercial charging stations..

Charging power

350 kW (OppCharge)

250 kW (CCS)

Charging inlets

CSS charging inlets at front or rear corners

Energy storage system

Battery packs

Cube pack, NCA Nickel cobalt aluminium oxide (NCA) traction batteries, designed and assembled by Volvo. 90 kWh, 535 kg, with multi layer functions for mechanical, thermal and electrical protection.

Voltage

600 V

Number of battery packs

5, 6 or 7

Battery capacity (nominal)

450, 540 or 630 kWh

Temperature control

Liquid-based thermal management system for active cooling and heating

Other

Volvo Ready To Run The bus will keep the batteries in working temperature, to ensure that the bus can be started directly when needed without a pre-heating period. 24 V batteries will be charged from the 600 V battery.

Safety systems

Active safety

Collision Warning with City Brake

Forward Collision Warning

Cruise Control

Intelligent Speed Assist

Side Collision Avoidance Support

Front Short Range Assist

Lane Change Support

Lane Keeping Support

Driver Alert Support

Tire Pressure Monitoring System

Emergency Stop Signal

Driver support

I-Coaching

Volvo Dynamic Steering

Safety Zones

Electronic Stability Control

AVAS – Acoustic Vehicle Alerting System

Electric safety

ESS and driveline monitoring

Active cooling and heating of batteries

Robust mechanical protection of batteries

Multilevel electrical protection

Automatic shutdown at detected risks

Hazardous Voltage Interlock Loop (HVIL)

Battery monitoring

Safety on cell and pack level (monitoring)

Insulation isolation resistance monitoring

Charging safety

Workshop safety

Mechanical protection

E-info session

Rescue sheet

Gearbox

2-speed automated manual transmission Automated 2-speed manual transmission, with software tailored for smooth and energy-efficient operation in a Volvo electric propulsion system.

Axles

Front axle

Rigid Low Front Suspension A rigid front axle designed for low-floor and low-entry buses. It provides easier passenger boarding and disembark, particularly important for city and transit buses with accessibility requirements.

Rear axle (driving)

Volvo RS1228C The RS1228C is a single reduction hypoid axle, intended for tourist coaches and intercity buses with a max. gross vehicle weight of up to 28 tonnes.

Differential lock

Optional

Steering and suspension

Steering wheel side

LHD/RHD

Power steering

Electric driven hydraulic steering

Max wheel angle

With tyres: 295/80 R22.5 8.25x22.5

52 °

Kneeling

Optional

Air bellows, front axle

2

Air bellows, driving axle

4

Features

Volvo Dynamic Steering Real-time computing of driver actions and road data, using an electric actuator to assist the hydraulic steering system for increased stability

Cooling system

Design

Electrically driven fans with improved speed control

Coolant filter

No coolant filter

Features

Thermal management system independent from climate system

Coolant level warning in instrument cluster

Automated control of battery temperature with energy-efficient 600 V active cooling/heating system

Electric driveline and auxiliaries cooling circuit

Waste heat from the driveline circuit is used to heat the battery circuit through a heat exchanger

Air and brake system

Brakes

Volvo disc brakes

Braking systems

Electronic Braking System (EBS 5)

Anti-lock Braking System (ABS)

Anti Slip Regulation (ASR)

Brake blending

Hill Start Aid

Door brake

Brake Assist

Air system

Pneumatic system, easily accessible for external fill

Features

Brake temperature warning

Automatic calibration after brake pad change

Poor brake performance warning

Lining wear sensing and analysis

Wear indicator on brake pads

Electrical system

Consumer batteries

2x12 V

2x140 Ah / 2x170 Ah

Wheels and tyres

Tyres

275/70 R22.5″

295/80 R22.5″

305/70 R22.5″

315/70 R22.5″

Rims

Steel or aluminium rims available

7.50″ x 22.5″

8.25″ x 22.5″

9.00″ x 22.5″

Get the specification in a PDF

Want it all in one document? Download a pdf with all the specifications, facts and figures.

Download as PDF

Find financing for your 
Volvo BZR Low Entry Electric

Explore used bus options

Used buses & coaches

Do more with your Volvo BZL Low Entry Electric

Drivers handbook

Download the driver’s handbook for your specific vehicle as a PDF for free.

Find the handbook for your model

Service manuals

Are you maintaining your own fleet? Volvo keeps an online library of service manuals and wiring diagram, for your convenience.

Get access to service manuals

Find spare parts

Volvo dealers offer stock parts and can assist with special orders. For regular orders, you can also register to order parts online.

Purchase parts from a dealer

Get started with Parts Online

Get driver training

Volvo offers driver training, for improved passenger satisfaction, environmental performance and energy efficiency. Start today!

Book you driver training

Explore the lineup